This dataset characterizes unique transcription factor interfaces with nucleic acids based on interface identity.
Table S1.B: Unique interface between protein and nucleic acid present in transcription factors dataset.
| PDB_ID | Protein Name | Source Organism | Protein Length | Experimental Methods | Resolution (Å) | Oligomeric State | Chains | Protein | DNA | RNA | BSA | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Complex | Protein | DNA | RNA | |||||||||||
| I. DNA-binding Transcription Factors | ||||||||||||||
| 1A02 | AP-1 FRAGMENT FOS + NUCLEAR FACTOR OF ACTIVATED T CELLS | H. sapiens | 301+56 | X | 2.7 | Heterodimer + Monomer | FJN:AB | FJ | AB | - | 2313.81 | 1207.14 | 1106.67 | - |
| 1A02 | AP-1 FRAGMENT FOS + NUCLEAR FACTOR OF ACTIVATED T CELLS | H. sapiens | 301+56 | X | 2.7 | Heterodimer + Monomer | FJN:AB | N | AB | - | 1859.60 | 952.05 | 907.55 | - |
| 1A0A | PHOSPHATE SYSTEM POSITIVE REGULATORY PROTEIN PHO4 | S. cerevisiae | 63 | X | 2.8 | Homodimer | AB:CD | AB | CD | - | 2739.95 | 1429.48 | 1310.47 | - |
| 1AM9 | STEROL REGULATORY ELEMENT BINDING PROTEIN 1A | H. sapiens | 82 | X | 2.3 | Homodimer | ABCD:EFGH | AB | FG | - | 2698.86 | 1399.77 | 1299.09 | - |
| 1AN2 | PROTEIN (TRANSCRIPTION FACTOR MAX (TF MAX) | H. sapiens | 86 | X | 2.9 | Homodimer | AC:BD | AC | BD | - | 2566.28 | 1286.13 | 1280.15 | - |
| 1AN4 | UPSTREAM STIMULATORY FACTOR | H. sapiens | 65 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 2839.12 | 1437.67 | 1401.45 | - |
| 1APL | MAT-ALPHA2 HOMEODOMAIN | S. cerevisiae | 83 | X | 2.7 | Monomer | CD:AB | CD | AB | - | 3518.56 | 1856.43 | 1662.13 | - |
| 1AWC | PROTEIN (GA BINDING PROTEIN ALPHA)+PROTEIN (GA BINDING PROTEIN BETA 1) | M. musculus | 110+153 | X | 2.2 | Heterodimer | AB:DE | A | DE | - | 1508.01 | 719.28 | 788.73 | - |
| 1AWC | PROTEIN (GA BINDING PROTEIN ALPHA)+PROTEIN (GA BINDING PROTEIN BETA 1) | M. musculus | 110+153 | X | 2.2 | Heterodimer | AB:DE | B | DE | - | 31.05 | 15.74 | 15.31 | - |
| 1B01 | TRANSCRIPTIONAL REPRESSOR COPG | S. agalactiae | 45 | X | 2.6 | Homodimer | ABCD:EFGH | AB | EF | - | 1428.63 | 716.89 | 711.74 | - |
| 1B3T | NUCLEAR PROTEIN EBNA1 | E. virus | 147 | X | 2.2 | Homodimer | AB:CD | AB | CD | - | 5242.90 | 2615.96 | 2626.94 | - |
| 1B72 | HOMEOBOX PROTEIN HOX-B1 + PBX1 | H. sapiens | 87+97 | X | 2.4 | Heterodimer | AB:DE | A | DE | - | 1590.32 | 809.86 | 780.46 | - |
| 1BC8 | SAP-1 ETS DOMAIN | H. sapiens | 93 | X | 1.9 | Monomer | C:AB | C | AB | - | 1710.12 | 815.66 | 894.46 | - |
| 1BF5 | SIGNAL TRANSDUCER AND ACTIVATOR OF TRANSCRIPTION 1-ALPHA/BETA | H. sapiens | 575 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 3011.00 | 1511.31 | 1499.69 | - |
| 1BL0 | MULTIPLE ANTIBIOTIC RESISTANCE PROTEIN | E. coli | 129 | X | 2.3 | Monomer | A:BC | A | BC | - | 2406.81 | 1200.71 | 1206.10 | - |
| 1BVO | TRANSCRIPTION FACTOR GAMBIF1 | A. gambiae | 175 | X | 2.7 | Monomer | AB:DECF | AB | CD | - | 741.02 | 407.24 | 333.78 | - |
| 1CF7 | TRANSCRIPTION FACTOR DP-2 + TRANSCRIPTION FACTOR E2F-4 | H. sapiens | 76+95 | X | 2.6 | Heterodimer | AB:CD | A | CD | - | 1551.91 | 800.59 | 751.32 | - |
| 1CF7 | TRANSCRIPTION FACTOR DP-2 + TRANSCRIPTION FACTOR E2F-4 | H. sapiens | 76+95 | X | 2.6 | Heterodimer | AB:CD | B | CD | - | 1193.49 | 628.75 | 564.74 | - |
| 1CGP | CATABOLITE GENE ACTIVATOR PROTEIN (CAP) | E. coli | 205 | X | 3.0 | Homodimer | AB:CDEF | AB | DE | - | 1487.07 | 748.40 | 738.67 | - |
| 1CKT | HIGH MOBILITY GROUP 1 PROTEIN | R. norvegicus | 71 | X | 2.5 | Monomer | A:BC | A | BC | - | 1630.38 | 839.18 | 791.20 | - |
| 1CMA | MET REPRESSOR | E. coli | 104 | X | 2.8 | Homodimer | ABEF:CDGH | AB | CD | - | 1737.99 | 838.88 | 899.11 | - |
| 1D66 | GAL4 | S. cerevisiae | 66 | X | 2.7 | Homo 2-mer | AB:DE | AB | DE | - | 2445.28 | 1190.95 | 1254.33 | - |
| 1DDN | DIPHTHERIA TOX REPRESSOR | C. diphtheriae | 226 | X | 3.0 | Homotetramer | ABCD:EF | AB | EF | - | 2846.12 | 1406.74 | 1439.38 | - |
| 1DH3 | TRANSCRIPTION FACTOR CREB | M. musculus | 55 | X | 3.0 | Homodimer | AC:BD | AC | BD | - | 2349.54 | 1204.05 | 1145.49 | - |
| 1DP7 | MHC CLASS II TRANSCRIPTION FACTOR HRFX1 | H. sapiens | 76 | X | 1.5 | Homodimer | PB:DA | P | AD | - | 1750.96 | 922.52 | 828.44 | - |
| 1EFA | LAC REPRESSOR | E. coli | 333 | X | 2.6 | Homodimer | ABC:DE | AB | DE | - | 3516.96 | 1740.22 | 1776.74 | - |
| 1EGW | MADS BOX TRANSCRIPTION ENHANCER FACTOR 2, POLYPEPTIDE A | H. sapiens | 77 | X | 1.5 | Homodimer | AB:EF | AB | EF | - | 2910.40 | 1567.65 | 1342.75 | - |
| 1EXJ | MULTIDRUG-EFFLUX TRANSPORTER REGULATOR | B. subtilis | 278 | X | 3.0 | Homodimer | AB:CM | AB | CM | - | 2263.40 | 1067.13 | 1196.27 | - |
| 1GD2 | TRANSCRIPTION FACTOR PAP1 | S. pombe | 70 | X | 2.0 | Homodimer | EF:AB | EF | AB | - | 2660.09 | 1401.17 | 1258.92 | - |
| 1GLU | GLUCOCORTICOID RECEPTOR | R. norvegicus | 81 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 2634.22 | 1256.03 | 1378.19 | - |
| 1GT0 | OCTAMER-BINDING TRANSCRIPTION FACTOR 1 + TRANSCRIPTION FACTOR SOX-2 | M. musculus | 159+80 | X | 2.6 | Heterodimer | CD:AB | C | AB | - | 2795.36 | 1428.47 | 1366.89 | - |
| 1GT0 | OCTAMER-BINDING TRANSCRIPTION FACTOR 1 + TRANSCRIPTION FACTOR SOX-2 | M. musculus | 159+80 | X | 2.6 | Heterodimer | CD:AB | D | AB | - | 2723.57 | 1438.11 | 1285.46 | - |
| 1GXP | PHOSPHATE REGULON TRANSCRIPTIONAL REGULATORY PROTEIN | E. coli | 106 | X | 2.5 | Homodimer | AB:CD | A | CD | - | 1717.33 | 866.81 | 850.52 | - |
| 1H88 | CCAAT/ENHANCER BINDING PROTEIN BETA + MYB PROTO-ONCOGENE PROTEIN | M. musculus | 159+78 | X | 2.8 | Homodimer + Monomer | ABC:DE | AB | DE | - | 2498.75 | 1310.92 | 1187.83 | - |
| 1H88 | CCAAT/ENHANCER BINDING PROTEIN BETA + MYB PROTO-ONCOGENE PROTEIN | M. musculus | 159+78 | X | 2.8 | Homodimer + Monomer | ABC:DE | C | DE | - | 1996.68 | 1032.00 | 964.68 | - |
| 1HDD | ENGRAILED HOMEODOMAIN | D. melanogaster | 61+61 | X | 2.8 | Homo 2-mer | CD:AB | C | AB | - | 1771.45 | 918.09 | 853.36 | - |
| 1HDD | ENGRAILED HOMEODOMAIN | D. melanogaster | 61+61 | X | 2.8 | Homo 2-mer | CD:AB | D | AB | - | 927.61 | 439.26 | 488.35 | - |
| 1HJB | CCAAT/ENHANCER BINDING PROTEIN BETA + RUNT-RELATED TRANSCRIPTION FACTOR 1 | M. musculus | 123+87 | X | 3.0 | Homodimer + Monomer | ABC:GH | AB | GH | - | 2355.38 | 1213.66 | 1141.72 | - |
| 1HJB | CCAAT/ENHANCER BINDING PROTEIN BETA + RUNT-RELATED TRANSCRIPTION FACTOR 1 | M. musculus | 123+87 | X | 3.0 | Homodimer + Monomer | ABC:GH | C | GH | - | 1429.65 | 760.24 | 669.41 | - |
| 1HWT | HEME ACTIVATOR PROTEIN | S. cerevisiae | 81 | X | 2.5 | Homodimer | CD:AB | CD | AB | - | 2584.09 | 1349.16 | 1234.93 | - |
| 1IC8 | HEPATOCYTE NUCLEAR FACTOR 1-ALPHA | H. sapiens | 194 | X | 2.6 | Homo 2-mer | AB:EF | A | EF | - | 2454.23 | 1239.06 | 1215.17 | - |
| 1IF1 | INTERFERON REGULATORY FACTOR 1 | M. musculus | 113 | X | 3.0 | Homo 2-mer | AB:CD | A | C | - | 1923.56 | 906.61 | 1016.95 | - |
| 1IGN | RAP1 | S. cerevisiae | 246 | X | 2.3 | Monomer | A:CD | A | CD | - | 4226.76 | 2097.87 | 2128.89 | - |
| 1IHF | INTEGRATION HOST FACTOR ALPHA + INTEGRATION HOST FACTOR BET) (IHF) | E. coli | 94+99 | X | 2.5 | Heterodimer | AB:CDE | A | CDE | - | 2691.25 | 1382.39 | 1308.86 | - |
| 1IHF | INTEGRATION HOST FACTOR ALPHA + INTEGRATION HOST FACTOR BET) (IHF) | E. coli | 94+99 | X | 2.5 | Heterodimer | AB:CDE | B | CDE | - | 2199.75 | 1096.96 | 1102.79 | - |
| 1IO4 | CAAT/ENHANCER BINDING PROTEIN BETA + CORE-BINDING FACTOR, BETA SUBUNIT + RUNT-RELATED TRANSCRIPTION FACTOR 1 | M. musculus | 123+141+78 | X | 3.0 | Hetero (homodimer+hetero 2-mer) 4-mer | ABCD:EF | AB | EF | - | 2344.60 | 1252.26 | 1092.34 | - |
| 1IO4 | CAAT/ENHANCER BINDING PROTEIN BETA + CORE-BINDING FACTOR, BETA SUBUNIT + RUNT-RELATED TRANSCRIPTION FACTOR 1 | M. musculus | 123+141+78 | X | 3.0 | Hetero (homodimer+hetero 2-mer) 4-mer | ABCD:EF | C | EF | - | 1497.57 | 793.37 | 704.20 | - |
| 1JE8 | Nitrate/Nitrite Response Regulator Protein NARL | E. coli | 82 | X | 2.1 | Homodimer | AB:CD | AB | CD | - | 2945.64 | 1398.33 | 1547.31 | - |
| 1JFI | TATA-BOX-BINDING PROTEIN (TBP) + Transcription Regulator NC2 alpha chain + Transcription Regulator NC2 beta chain | H. sapiens | 179+185+98 | X | 2.6 | Hetero 3-mer | ABC:DE | A | DE | - | 445.66 | 244.87 | 200.79 | - |
| 1JFI | TATA-BOX-BINDING PROTEIN (TBP) + Transcription Regulator NC2 alpha chain + Transcription Regulator NC2 beta chain | H. sapiens | 179+185+98 | X | 2.6 | Hetero 3-mer | ABC:DE | B | DE | - | 1068.67 | 527.44 | 541.23 | - |
| 1JFI | TATA-BOX-BINDING PROTEIN (TBP) + Transcription Regulator NC2 alpha chain + Transcription Regulator NC2 beta chain | H. sapiens | 179+185+98 | X | 2.6 | Hetero 3-mer | ABC:DE | C | DE | - | 2769.81 | 1363.78 | 1406.03 | - |
| 1JMC | REPLICATION PROTEIN A (RPA) | H. sapiens | 246 | X | 2.4 | Monomer | A:B | A | B | - | 2183.73 | 1023.18 | 1160.55 | - |
| 1JT0 | HYPOTHETICAL TRANSCRIPTIONAL REGULATOR IN QACA 5'REGION | S. aureus | 194 | X | 2.9 | Homo 4-mer | ABCD:EF | AC | EF | - | 2416.56 | 1192.87 | 1223.69 | - |
| 1KU7 | sigma factor sigA | T. aquaticus | 73 | X | 2.4 | Homodimer | AD:BC | AD | BC | - | 1196.21 | 621.13 | 575.08 | - |
| 1L3L | Transcriptional activator protein traR | A. tumefaciens | 234 | X | 1.7 | Homodimer | BD:EG | BD | EG | - | 2403.99 | 1181.85 | 1222.14 | - |
| 1LMB | LAMBDA REPRESSOR | E. phage lambda | 92 | X | 1.8 | Homodimer | 34:12 | 34 | 12 | - | 2904.39 | 1450.19 | 1454.20 | - |
| 1LQ1 | Stage 0 sporulation protein A | B. subtilis | 120 | X | 2.3 | Homodimer (tandem dimer) | CD:EF | C | EF | - | 685.05 | 327.97 | 357.08 | - |
| 1LQ1 | Stage 0 sporulation protein A | B. subtilis | 120 | X | 2.3 | Homodimer (tandem dimer) | CD:EF | D | EF | - | 1706.02 | 847.22 | 858.80 | - |
| 1MDY | MYOD BHLH DOMAIN + MYOD BHLH DOMAIN | M. musculus | 62+68 | X | 2.8 | Homo 2-mer | AB:EF | AB | EF | - | 2665.71 | 1388.75 | 1276.96 | - |
| 1MDY | MYOD BHLH DOMAIN + MYOD BHLH DOMAIN | M. musculus | 62+68 | X | 2.8 | Homo 2-mer | AB:EF | AB | EF | - | 2665.71 | 1388.75 | 1276.96 | - |
| 1MHD | SMAD3 | H. sapiens | 132 | X | 2.8 | Homo 2-mer | AB:CD | A | CD | - | 1028.97 | 522.00 | 506.97 | - |
| 1MHD | SMAD3 | H. sapiens | 132 | X | 2.8 | Homo 2-mer | AB:CD | B | CD | - | 828.08 | 440.21 | 387.87 | - |
| 1MNM | MAT ALPHA-2 TRANSCRIPTIONAL REPRESSOR + MCM1 TRANSCRIPTIONAL REGULATOR | S. cerevisiae | 100+87 | X | 2.3 | Hetero (homodimer+ homo 2-mer) 4-mer | ABCD:EF | AB | EF | - | 3319.65 | 1626.64 | 1693.01 | - |
| 1MNM | MAT ALPHA-2 TRANSCRIPTIONAL REPRESSOR + MCM1 TRANSCRIPTIONAL REGULATOR | S. cerevisiae | 100+87 | X | 2.3 | Hetero (homodimer+ homo 2-mer) 4-mer | ABCD:EF | C | EF | - | 1994.41 | 1040.74 | 953.67 | - |
| 1MNM | MAT ALPHA-2 TRANSCRIPTIONAL REPRESSOR + MCM1 TRANSCRIPTIONAL REGULATOR | S. cerevisiae | 100+87 | X | 2.3 | Hetero (homodimer+ homo 2-mer) 4-mer | ABCD:EF | D | EF | - | 1398.73 | 729.23 | 669.50 | - |
| 1MNN | NDT80 protein | S. cerevisiae | 340 | X | 1.4 | Monomer | A:BC | A | BC | - | 2661.25 | 1369.16 | 1292.09 | - |
| 1N6J | Calcineurin-binding protein Cabin 1 + Myocyte-specific enhancer factor 2B | H. sapiens | 35+93 | X | 2.2 | Hetero 3-mer (homodimer) | ABG:CD | AB | CD | - | 2720.72 | 1410.06 | 1310.66 | - |
| 1NGM | Transcription factor IIIB BRF1 subunit + Transcription initiation factor TFIID | S. cerevisiae | 180+72 | X | 3.0 | Hetero 2-mer | AB:CD | AB | CD | - | 3120.54 | 1534.81 | 1585.73 | - |
| 1NKP | Max protein + Myc proto-oncogene protein | H. sapiens | 83+88 | X | 1.8 | Heterodimer | AB:FG | AB | FG | - | 2793.91 | 1433.63 | 1360.28 | - |
| 1NLW | MAD + MAX PROTEIN | H. sapiens | 76+80 | X | 2.0 | Hetero 2-mer | AB:FG | A | FG | - | 1264.39 | 651.11 | 613.28 | - |
| 1NLW | MAD + MAX PROTEIN | H. sapiens | 76+80 | X | 2.0 | Hetero 2-mer | AB:FG | B | FG | - | 1446.67 | 749.73 | 696.94 | - |
| 1NVP | TATA box binding protein + Transcription initiation factor IIA alpha chain + Transcription initiation factor IIA beta chain + Transcription initiation factor IIA gamma chain | H. sapiens | 108+181+57+76 | X | 2.1 | Hetero 4-mer | ABCD:EF | A | EF | - | 2929.41 | 1456.55 | 1472.86 | - |
| 1NVP | TATA box binding protein + Transcription initiation factor IIA alpha chain + Transcription initiation factor IIA beta chain + Transcription initiation factor IIA gamma chain | H. sapiens | 108+181+57+76 | X | 2.1 | Hetero 4-mer | ABCD:EF | C | EF | - | 397.07 | 207.06 | 190.01 | - |
| 1OCT | POU DOMAIN | H. sapiens | 156 | X | 3.0 | Monomer | C:AB | C | AB | - | 3156.96 | 1596.64 | 1560.32 | - |
| 1ODH | MGCM1 | M. musculus | 174 | X | 2.9 | Monomer | A:CD | A | CD | - | 1807.63 | 921.48 | 886.15 | - |
| 1P51 | DNA-binding protein HU | N. sp. | 94 | X | 2.5 | Homodimer | AB:EF | AB | EF | - | 3176.28 | 1628.91 | 1547.37 | - |
| 1PAR | ARC REPRESSOR | S. phage P22 | 53 | X | 2.6 | Homo 4-mer | ABCD:EF | AB | EF | - | 2009.80 | 975.70 | 1034.10 | - |
| 1PAR | ARC REPRESSOR | S. phage P22 | 53 | X | 2.6 | Homo 4-mer | ABCD:EF | CD | EF | - | 2134.30 | 1032.70 | 1101.60 | - |
| 1PDN | PRD PAIRED | D. melanogaster | 128 | X | 2.5 | Monomer | C:AB | C | AB | - | 2561.84 | 1299.34 | 1262.50 | - |
| 1PNR | PURINE REPRESSOR | E. coli | 340 | X | 2.7 | Homodimer | AC:BD | AC | BD | - | 3595.51 | 1813.16 | 1782.35 | - |
| 1PP7 | 39 kDa initiator binding protein | T. vaginalis | 131 | X | 2.5 | Monomer | U:EF | U | EF | - | 1988.87 | 1017.49 | 971.38 | - |
| 1PUE | TRANSCRIPTION FACTOR PU.1 (TF PU.1) | M. musculus | 89 | X | 2.1 | Monomer | E:AB | E | AB | - | 2017.81 | 961.56 | 1056.25 | - |
| 1QPI | TETRACYCLINE REPRESSOR | E. coli | 203 | X | 2.5 | Homodimer | AB:MDCN | AB | CM | - | 2270.12 | 1152.44 | 1117.68 | - |
| 1QRV | HIGH MOBILITY GROUP PROTEIN D | D. melanogaster | 73 | X | 2.2 | Homo 2-mer | AB:CD | A | CD | - | 1907.90 | 999.13 | 908.77 | - |
| 1QRV | HIGH MOBILITY GROUP PROTEIN D | D. melanogaster | 73 | X | 2.2 | Homo 2-mer | AB:CD | B | CD | - | 597.03 | 302.21 | 294.82 | - |
| 1R71 | Transcriptional repressor protein korB | E. coli | 178 | X | 2.2 | Homo 2-mer | AB:EFIJ | AB | EF | - | 3390.04 | 1672.82 | 1717.22 | - |
| 1R8D | transcription activator MtaN | B. subtilis | 109 | X | 2.7 | Homodimer | AB:CD | AB | CD | - | 3174.68 | 1535.42 | 1639.26 | - |
| 1RAM | TRANSCRIPTION FACTOR NF-KB P65 | M. musculus | 273 | X | 2.7 | Homo 2-mer | AB:CD | AB | CD | - | 2982.39 | 1458.30 | 1524.09 | - |
| 1RZR | Glucose-resistance amylase regulator+Phosphocarrier protein HPr | P. megaterium | 332+88 | X | 2.8 | Hetero 4-mer | CGLT:HR | CG | HR | - | 3399.53 | 1678.97 | 1720.56 | - |
| 1SAX | Methicillin resistance regulatory protein mecI | S. aureus | 123 | X | 2.8 | Homodimer | AB:CD | AB | CD | - | 3064.76 | 1541.21 | 1523.55 | - |
| 1SKN | DNA-BINDING DOMAIN OF SKN-1 | C. elegans | 92 | X | 2.5 | Monomer | P:AB | P | AB | - | 1690.57 | 865.70 | 824.87 | - |
| 1SVC | NUCLEAR FACTOR KAPPA-B (NF-KB) | H. sapiens | 365 | X | 2.6 | Homodimer | PB:DA | PB | AD | - | 4061.89 | 2064.53 | 1997.36 | - |
| 1T2K | Cyclic-AMP-dependent transcription factor ATF-2 + Interferon regulatory factor 3 + Transcription factor AP-1 | H. sapiens | 112+61+62 | X | 3.0 | Hetero 4-mer | ABCD:EF | AB | EF | - | 4291.45 | 2098.43 | 2193.02 | - |
| 1T2K | Cyclic-AMP-dependent transcription factor ATF-2 + Interferon regulatory factor 3 + Transcription factor AP-1 | H. sapiens | 112+61+62 | X | 3.0 | Hetero 4-mer | ABCD:EF | C | EF | - | 632.37 | 327.89 | 304.48 | - |
| 1T2K | Cyclic-AMP-dependent transcription factor ATF-2 + Interferon regulatory factor 3 + Transcription factor AP-1 | H. sapiens | 112+61+62 | X | 3.0 | Hetero 4-mer | ABCD:EF | D | EF | - | 1191.84 | 608.85 | 582.99 | - |
| 1TQE | Histone deacetylase 9 + Myocyte-specific enhancer factor 2B | M. musculus | 26+93 | X | 2.7 | Hetero (Homodimer+Monomer) 3-mer | PQX:CD | PQ | CD | - | 3136.64 | 1630.06 | 1506.58 | - |
| 1TRR | TRP REPRESSOR | E. coli | 107 | X | 2.4 | Homo 4-mer | ABGH:CI | AB | CI | - | 2936.83 | 1445.92 | 1490.91 | - |
| 1TTU | lin-12 And Glp-1 transcriptional regulator | C. elegans | 477 | X | 2.9 | Monomer | A:BC | A | BC | - | 2137.61 | 1082.44 | 1055.17 | - |
| 1TUP | P53 TUMOR SUPPRESSOR | H. sapiens | 219 | X | 2.2 | Homo 3-mer | ABC:EF | B | EF | - | 1178.58 | 620.46 | 558.12 | - |
| 1TUP | P53 TUMOR SUPPRESSOR | H. sapiens | 219 | X | 2.2 | Homo 3-mer | ABC:EF | C | EF | - | 630.15 | 308.92 | 321.23 | - |
| 1U8B | Ada polyprotein | E. coli | 133 | X | 2.1 | Monomer | A:BCDE | A | BCDE | - | 2172.90 | 1030.08 | 1142.82 | - |
| 1UUT | REP PROTEIN | A. virus 5 | 197 | X | 2.0 | Monomer | A:C | A | C | - | 1455.52 | 608.62 | 846.90 | - |
| 1VOL | TATA BINDING PROTEIN (TBP) +TRANSCRIPTION FACTOR IIB (TFIIB) | A. thaliana | 200+204 | X | 2.7 | Hetero 2-mer | AB:CD | A | CD | - | 1148.29 | 537.54 | 610.75 | - |
| 1VOL | TATA BINDING PROTEIN (TBP) +TRANSCRIPTION FACTOR IIB (TFIIB) | A. thaliana | 200+204 | X | 2.7 | Hetero 2-mer | AB:CD | B | CD | - | 2817.21 | 1401.46 | 1415.75 | - |
| 1VTN | HNF-3/FORK HEAD DNA-RECOGNITION MOTIF | H. sapiens | 102 | X | 2.5 | Monomer | C:AB | C | AB | - | 2088.14 | 1054.90 | 1033.24 | - |
| 1W0T | TELOMERIC REPEAT BINDING FACTOR 1 | H. sapiens | 53 | X | 2.0 | Homo 2-mer | AB:CD | A | CD | - | 1563.33 | 794.06 | 769.27 | - |
| 1XBR | T PROTEIN | X. laevis | 184 | X | 2.5 | Homodimer | AB:CD | AB | CD | - | 4169.31 | 2112.11 | 2057.20 | - |
| 1XPX | Protein prospero | D. melanogaster | 163 | X | 2.8 | Monomer | A:CD | A | DC | - | 847.14 | 446.05 | 401.09 | - |
| 1YRN | MAT A1 HOMEODOMAIN + MAT ALPHA2 HOMEODOMAIN | S. cerevisiae | 61+83 | X | 2.5 | Hetero 2-mer | AB:CD | A | CD | - | 1367.38 | 717.04 | 650.34 | - |
| 1YRN | MAT A1 HOMEODOMAIN + MAT ALPHA2 HOMEODOMAIN | S. cerevisiae | 61+83 | X | 2.5 | Hetero 2-mer | AB:CD | B | CD | - | 1993.70 | 1061.46 | 932.24 | - |
| 1YSA | GCN4 | S. cerevisiae | 58 | X | 2.9 | Homodimer | CD:AB | CD | AB | - | 2258.13 | 1172.37 | 1085.76 | - |
| 1YTB | TATA BINDING PROTEIN (TBP) | S. cerevisiae | 180 | X | 1.8 | Monomer | A:C | A | C | - | 2985.08 | 1486.38 | 1498.70 | - |
| 1YTF | TATA BINDING PROTEIN (TBP) TRANSCRIPTION FACTOR IIA - TOA1C SUBUNIT + TRANSCRIPTION FACTOR IIA - TOA1N SUBUNIT + TRANSCRIPTION FACTOR IIA - TOA2 SUBUNIT | S. cerevisiae | 121+180+53+79 | X | 2.5 | Hetero 4-mer | ABCD:EF | A | EF | - | 2931.78 | 1467.17 | 1464.61 | - |
| 1YTF | TATA BINDING PROTEIN (TBP) TRANSCRIPTION FACTOR IIA - TOA1C SUBUNIT + TRANSCRIPTION FACTOR IIA - TOA1N SUBUNIT + TRANSCRIPTION FACTOR IIA - TOA2 SUBUNIT | S. cerevisiae | 121+180+53+79 | X | 2.5 | Hetero 4-mer | ABCD:EF | C | EF | - | 409.23 | 210.32 | 198.91 | - |
| 1Z9C | ZIF268 | B. subtilis | 87 | X | 2.6 | Homodimer | AB:GH | AB | GH | - | 4125.56 | 2018.68 | 2106.88 | - |
| 1ZAA | PROLINE UTILIZATION TRANSCRIPTION ACTIVATOR | M. musculus | 70 | X | 2.1 | Monomer | C:AB | C | AB | - | 2598.74 | 1392.89 | 1205.85 | - |
| 1ZME | PROLINE UTILIZATION TRANSCRIPTION ACTIVATOR | S. cerevisiae | 70 | X | 2.5 | Homodimer | CD:AB | CD | AB | - | 2636.15 | 1309.99 | 1326.16 | - |
| 2A07 | Forkhead box protein P2 | H. sapiens | 93 | X | 1.9 | Homo 6-mer | FGHIJK:ABCD | FG | AB | - | 998.43 | 479.02 | 519.41 | - |
| 2A07 | Forkhead box protein P2 | H. sapiens | 93 | X | 1.9 | Homo 6-mer | FGHIJK:ABCD | J | AB | - | 1436.47 | 708.67 | 727.80 | - |
| 2A07 | Forkhead box protein P2 | H. sapiens | 93 | X | 1.9 | Homo 6-mer | FGHIJK:ABCD | J | CD | - | 508.55 | 248.76 | 259.79 | - |
| 2BNW | ORF OMEGA | S. pyogenes | 53 | X | 2.5 | Homodimer | ABCD:EFGH | AB | EF | - | 1429.38 | 696.31 | 733.07 | - |
| 2BNW | ORF OMEGA | S. pyogenes | 53 | X | 2.5 | Homodimer | ABCD:EFGH | CD | EF | - | 1483.69 | 727.66 | 756.03 | - |
| 2BOP | PROTEIN E2 | B. papillomavirus type 1 | 85 | X | 1.7 | Homodimer | AC:BD | A | B | - | 691.79 | 355.40 | 336.39 | - |
| 2BSQ | TRAFFICKING PROTEIN A+TRAFFICKING PROTEIN B | N. gonorrhoeae | 146+77 | X | 3.0 | Hetero 8-mer | ABCDEFGH:IJ | EH | IJ | - | 1470.63 | 746.77 | 723.86 | - |
| 2C62 | ACTIVATED RNA POLYMERASE II TRANSCRIPTIONAL COACTIVATOR P15 | H. sapiens | 66 | X | 1.7 | Homo 2-mer | AB:C | AB | C | - | 3028.87 | 1457.76 | 1571.11 | - |
| 2C9L | BZLF1 TRANS-ACTIVATOR PROTEIN | E. virus | 63 | X | 2.3 | Homodimer | YZ:AB | YZ | AB | - | 2337.26 | 1180.77 | 1156.49 | - |
| 2D5V | Hepatocyte nuclear factor 6 | R. norvegicus | 164 | X | 2.0 | Monomer | A:CD | AB | CDEF | - | 5594.96 | 2825.85 | 2769.11 | - |
| 2E1C | Putative HTH-type transcriptional regulator PH1519 | P. horikoshii | 171 | X | 2.1 | Homodimer | AC:BD | A | BD | - | 1029.76 | 522.81 | 506.95 | - |
| 2ER8 | Regulatory protein LEU3 | S. cerevisiae | 72 | X | 2.9 | Homodimer | AB:EF | AB | EF | - | 2793.98 | 1384.41 | 1409.57 | - |
| 2ES2 | Cold shock protein cspB | B. subtilis | 67 | X | 1.8 | Monomer | A:B | A | B | - | 903.27 | 431.79 | 471.48 | - |
| 2GLI | FIVE-FINGER GLI | H. sapiens | 155 | X | 2.6 | Monomer | A:CD | A | CD | - | 3121.16 | 1584.59 | 1536.57 | - |
| 2H27 | RNA polymerase Sigma E factor | E. coli | 73 | X | 2.3 | Homodimer | A:BC | AD | BCEF | - | 2880.73 | 1486.52 | 1394.21 | - |
| 2NLL | RETINOIC ACID RECEPTOR + THYROID HORMONE RECEPTOR | H. sapiens | 103+66 | X | 1.9 | Hetero 2-mer | AB:CD | A | CD | - | 1188.15 | 591.00 | 597.15 | - |
| 2NLL | RETINOIC ACID RECEPTOR + THYROID HORMONE RECEPTOR | H. sapiens | 103+66 | X | 1.9 | Hetero 2-mer | AB:CD | B | CD | - | 2036.73 | 995.10 | 1041.63 | - |
| 2O49 | DNA-binding protein SATB1 | H. sapiens | 93 | X | 2.0 | Monomer | A:BC | A | BC | - | 1108.41 | 556.86 | 551.55 | - |
| 2OR1 | 434 REPRESSOR | E. phage 434 | 69 | X | 2.5 | Homodimer | LR:AB | R | AB | - | 1394.02 | 691.43 | 702.59 | - |
| 2P5L | Arginine repressor | B. subtilis | 64 | X | 2.9 | Homodimer | CD:AB | CD | AB | - | 2614.37 | 1296.37 | 1318.00 | - |
| 2QL2 | Neurogenic differentiation factor 1 | M. musculus | 60 | X | 2.5 | Hetreodimer | AB:EF | AB | EF | - | 2164.91 | 1101.78 | 1063.13 | - |
| 2R1J | Repressor protein C2 | S. phage P22 | 68 | X | 1.5 | Homodimer | LR:AB | LR | BA | - | 2666.75 | 1261.97 | 1404.27 | - |
| 2RBF | Bifunctional protein putA | E. coli | 54 | X | 2.3 | Homodimer | AB:CD | AB | CD | - | 1598.06 | 806.31 | 791.75 | - |
| 2UZK | FORKHEAD BOX PROTEIN O3A | H. sapiens | 97 | X | 2.7 | Monomer | A:BE | A | BE | - | 3379.70 | 1679.35 | 1700.35 | - |
| 2VY1 | PROTEIN LEAFY | A. thaliana | 194 | X | 2.1 | Homodimer | AB:WC | A | W | - | 860.45 | 431.54 | 428.91 | - |
| 2W7N | TRFB TRANSCRIPTIONAL REPRESSOR PROTEIN | E. coli | 101 | X | 1.9 | Homodimer | AB:EFGH | AB | EFGH | - | 2999.49 | 1549.32 | 1450.17 | - |
| 2YPA | LIM DOMAIN-BINDING PROTEIN 1 + RHOMBOTIN-2 + T-CELL ACUTE LYMPHOCYTIC LEUKEMIA PROTEIN 1 + TRANSCRIPTION FACTOR E2-ALPHA | H. sapiens | 145+51+82+91 | X | 2.8 | Hetero 4-mer | ABCD:EF | AB | EF | - | 2239.40 | 1136.39 | 1103.01 | - |
| 2YVH | Transcriptional regulator | C. glutamicum | 177 | X | 2.5 | Homodimer | ABCD:EFGH | AB | EFGH | - | 2452.33 | 1252.56 | 1199.77 | - |
| 2ZHG | Redox-sensitive transcriptional activator soxR | E. coli | 154 | X | 2.8 | Homodimer | AC:BD | A | B | - | 582.95 | 268.01 | 314.94 | - |
| 3A5T | Transcription factor MafG | M. musculus | 107 | X | 2.8 | Homodimer | AB:CD | AB | CD | - | 2595.79 | 1342.66 | 1253.13 | - |
| 3BRD | Lin-12 and glp-1 phenotype protein 1, isoform a + Protein lin-12 | C. elegans | 29+477 | X | 2.2 | Hetero 2-mer | A:BC | AD | BC | - | 2023.63 | 1040.06 | 983.57 | - |
| 3BS1 | Accessory gene regulator protein A | S. aureus | 103 | X | 1.6 | Monomer | A:BC | A | BC | - | 1546.79 | 778.98 | 767.81 | - |
| 3CLC | Regulatory protein | E. sp. RFL1396 | 82 | X | 2.8 | Homodimer | ABCD:EF | AB | EF | - | 2647.35 | 1329.18 | 1318.17 | - |
| 3D2W | TAR DNA-binding protein 43 | M. musculus | 89 | X | 1.7 | Homodimer | AC:BD | AC | BD | - | 2642.62 | 1291.12 | 1351.50 | - |
| 3DFX | Trans-acting T-cell-specific transcription factor GATA-3 | M. musculus | 63 | X | 2.7 | Homo 4-mer | AB:XY | A | XY | - | 1754.92 | 887.76 | 867.16 | - |
| 3DFX | Trans-acting T-cell-specific transcription factor GATA-3 | M. musculus | 63 | X | 2.7 | Homo 4-mer | AB:XY | B | XY | - | 1790.39 | 904.17 | 886.22 | - |
| 3DNV | HTH-type transcriptional regulator hipB+Protein hipA | E. coli | 440+88 | X | 2.7 | Heterodimer | ABCD:TE | BD | TE | - | 2474.18 | 1228.10 | 1244.56 | - |
| 3E6C | Cyclic nucleotide-binding protein | D. hafniense | 250 | X | 1.8 | Homodimer | CF:ABDE | CF | ABDE | - | 2706.84 | 1306.98 | 1399.86 | - |
| 3EYI | Z-DNA-binding protein 1 | H. sapiens | 72 | X | 1.5 | Homo 2-mer | AB:CD | A | CD | - | 841.04 | 420.29 | 420.75 | - |
| 3EYI | Z-DNA-binding protein 1 | H. sapiens | 72 | X | 1.5 | Homo 2-mer | AB:CD | B | CD | - | 622.38 | 299.93 | 322.45 | - |
| 3FDQ | Motility gene repressor mogR | L. monocytogenes serovar 1/2a | 170 | X | 1.8 | Homodimer | AB:CD | AB | CD | - | 4164.52 | 2210.60 | 1953.92 | - |
| 3GFI | 146aa long hypothetical transcriptional regulator | S. tokodaii | 146 | X | 2.1 | Homodimer | AC:DE | AC | DE | - | 742.46 | 378.91 | 363.55 | - |
| 3GNA | V(D) J recombination-activating protein 1 | M. musculus | 96 | X | 2.4 | Homodimer | AB:DECF | A | DECF | - | 1020.96 | 545.67 | 475.29 | - |
| 3GXQ | Putative regulator of transfer genes ArtA | S. aureus | 54 | X | 2.4 | Homodimer | AB:CD | AB | CD | - | 1613.83 | 762.66 | 851.17 | - |
| 3GZ6 | MutT/nudix family protein | S. oneidensis | 240 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 4337.97 | 2307.07 | 2030.90 | - |
| 3H0D | CtsR | G. stearothermophilus | 155 | X | 2.4 | Homodimer | AB:CD | AB | CD | - | 3811.17 | 1925.13 | 1886.04 | - |
| 3HTS | HEAT SHOCK TRANSCRIPTION FACTOR | K. lactis | 102 | X | 1.8 | Homodimer | BD:AC | BD | AC | - | 2362.01 | 1165.17 | 1196.84 | - |
| 3IGM | PF14_0633 protein | P. falciparum | 77 | X | 2.2 | Homodimer | AB:CDWX | AB | CD | - | 1477.70 | 737.23 | 740.47 | - |
| 3IKT | Redox-sensing transcriptional repressor rex | T. thermophilus | 207 | X | 2.3 | Homodimer | AB:CD | AB | CD | - | 3339.34 | 1684.26 | 1655.08 | - |
| 3IV5 | DNA-binding protein fis | E. coli | 98 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 1956.90 | 1023.15 | 933.75 | - |
| 3JSO | LexA repressor | E. coli | 202 | X | 2.3 | Homodimer | AB:CD | AB | CD | - | 3512.64 | 1618.17 | 1894.47 | - |
| 3KET | Redox-sensing transcriptional repressor rex | S. agalactiae serotype III | 212 | X | 2.4 | Homodimer | AD:BCEF | AD | BCEF | - | 1877 | 955 | 922 | - |
| 3LSP | DesT | P. aeruginosa | 220 | X | 2.7 | Homodimer | AC:BD | AC | BD | - | 3040.94 | 1553.70 | 1487.24 | - |
| 3MLN | Transcription factor COE1 | M. musculus | 224 | X | 2.4 | Homodimer | AB:CD | AB | CD | - | 5095.43 | 2632.36 | 2463.07 | - |
| 3MZH | PROBABLE TRANSCRIPTIONAL REGULATORY PROTEIN (PROBABLY CRP/FNR-FAMILY) | M. tuberculosis | 225 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 2389.24 | 1190.90 | 1198.34 | - |
| 3N4M | Catabolite gene activator + DNA-directed RNA polymerase subunit alpha | E. coli | 209+84 | X | 3.0 | Hetero 6-mer | ABCFGH:DEIJ | A | DE | - | 1373.57 | 684.76 | 688.81 | - |
| 3N4M | Catabolite gene activator + DNA-directed RNA polymerase subunit alpha | E. coli | 209+84 | X | 3.0 | Hetero 6-mer | ABCFGH:DEIJ | B | DE | - | 771.32 | 359.97 | 411.35 | - |
| 3N4M | Catabolite gene activator + DNA-directed RNA polymerase subunit alpha | E. coli | 209+84 | X | 3.0 | Hetero 6-mer | ABCFGH:DEIJ | C | DE | - | 819.06 | 379.67 | 439.39 | - |
| 3N7Q | Transcription termination factor, mitochondrial | H. sapiens | 310 | X | 2.4 | Monomer | A:BC | A | BC | - | 1260.82 | 638.85 | 621.97 | - |
| 3O9X | Uncharacterized HTH-type transcriptional regulator ygiT | E. coli | 133 | X | 2.1 | Homodimer | AB:EF | AB | FE | - | 3059.28 | 1488.09 | 1571.19 | - |
| 3ON0 | Protein traM | E. coli | 127 | X | 2.9 | Homotetramer | ABCDEFGH:PI | ABCD | PI | - | 2340.16 | 1184.79 | 1155.37 | - |
| 3Q5F | Transcriptional regulator slyA | S. typhimurium | 147 | X | 3.0 | Homodimer | AB:CD | AB | CD | - | 4204.71 | 2109.81 | 2094.90 | - |
| 3QMB | CpG-binding protein | H. sapiens | 79 | X | 2.1 | Monomer | A:BC | A | BC | - | 1243.91 | 656.43 | 587.48 | - |
| 3RN2 | Interferon-inducible protein AIM2 | H. sapiens | 208 | X | 2.6 | Homo 2-mer | AB:KL | A | KL | - | 1035.67 | 496.47 | 539.20 | - |
| 3RN2 | Interferon-inducible protein AIM2 | H. sapiens | 208 | X | 2.6 | Homo 2-mer | AB:KL | B | KL | - | 1053.52 | 489.58 | 563.94 | - |
| 3TQ6 | Transcription factor A, mitochondrial | H. sapiens | 214 | X | 2.5 | Monomer | A:CD | A | CD | - | 5353.27 | 2723.20 | 2630.07 | - |
| 3U3W | C-terminus heptapeptide from PapR protein+Transcriptional activator PlcR protein | B. thuringiensis | 293+7 | X | 2.4 | Homodimer | AB:YZ | AB | YZ | - | 2575.56 | 1292.30 | 1283.26 | - |
| 3UGM | TAL effector AvrBs3/PthA | X. oryzae pv. oryzae | 1047 | X | 3.0 | Monomer | A:BC | A | BC | - | 6200.80 | 2884.09 | 3316.71 | - |
| 3UGO | RNA polymerase sigma factor | T. aquaticus | 245 | X | 2.1 | Monomer | A:B | A | B | - | 1881.74 | 882.43 | 999.31 | - |
| 3UK3 | Zinc finger protein 217 | H. sapiens | 57 | X | 2.1 | Homo 2-mer | CD:AB | C | AB | - | 1658.33 | 864.79 | 793.54 | - |
| 3UK3 | Zinc finger protein 217 | H. sapiens | 57 | X | 2.1 | Homo 2-mer | CD:AB | D | AB | - | 1534.74 | 801.98 | 732.76 | - |
| 3VOK | Transcriptional regulator | L. lactis subsp. lactis | 189 | X | 2.0 | Homodimer | AB:UC | AB | UC | - | 1992.78 | 999.85 | 992.93 | - |
| 3VWB | Virulence regulon transcriptional activator virB | S. flexneri | 143 | X | 2.4 | Monomer | A:BC | A | BC | - | 1431.80 | 731.27 | 700.53 | - |
| 3W6V | AdpA | S. griseus | 147 | X | 3.0 | Monomer | A:BC | A | BC | - | 1544.61 | 751.71 | 792.90 | - |
| 3ZHM | CI | L. phage TP901-1 | 79 | X | 2.6 | Monomer | A:BC | A | BC | - | 1329.28 | 639.25 | 690.03 | - |
| 3ZKC | HTH-TYPE TRANSCRIPTIONAL REGULATOR SINR | B. subtilis | 111 | X | 3.0 | Homodimer | AB:CD | AB | CD | - | 2674.57 | 1335.55 | 1339.02 | - |
| 3ZPL | PUTATIVE MARR-FAMILY TRANSCRIPTIONAL REPRESSOR | S. coelicolor | 177 | X | 2.8 | Homodimer | AB:CD | AB | CD | - | 3861.67 | 1893.92 | 1967.75 | - |
| 3ZVK | ANTITOXIN OF TOXIN-ANTITOXIN SYSTEM VAPB + TOXIN OF TOXIN-ANTITOXIN SYSTEM | R. felis | 134+78 | X | 2.5 | Hetero 8-mer | ABCDEFGH:XY | EH | XY | - | 1863.42 | 935.75 | 927.67 | - |
| 4EGY | Arabinose metabolism transcriptional repressor | B. subtilis | 88 | X | 2.3 | Monomer | AB:TU | A | TU | - | 1860.95 | 966.38 | 894.57 | - |
| 4F6M | Transcriptional regulator Kaiso | H. sapiens | 133 | X | 2.4 | Monomer | A:DE | A | DE | - | 2705.65 | 1390.32 | 1315.33 | - |
| 4G7H | DNA-directed RNA polymerase subunit alpha + DNA-directed RNA polymerase subunit beta + DNA-directed RNA polymerase subunit beta' + DNA-directed RNA polymerase subunit omega + RNA polymerase sigma factor | T. thermophilus | 1119+1524+315+443+99 | X | 2.9 | Hetero 6-mer | ABCDEF:GH | D | GH | - | 1888.31 | 957.41 | 930.90 | - |
| 4G7H | DNA-directed RNA polymerase subunit alpha + DNA-directed RNA polymerase subunit beta + DNA-directed RNA polymerase subunit beta' + DNA-directed RNA polymerase subunit omega + RNA polymerase sigma factor | T. thermophilus | 1119+1524+315+443+99 | X | 2.9 | Hetero 6-mer | ABCDEF:GH | F | GH | - | 2561.95 | 1170.07 | 1391.88 | - |
| 4G92 | HAPB protein+HapE + Transcription factor HapC (Eurofung) | E. nidulans | 119+64+92 | X | 1.8 | Hetero 3-mer | ABC:DE | A | DE | - | 1949.58 | 1028.69 | 920.89 | - |
| 4G92 | HAPB protein+HapE + Transcription factor HapC (Eurofung) | E. nidulans | 119+64+92 | X | 1.8 | Hetero 3-mer | ABC:DE | B | DE | - | 938.49 | 437.34 | 501.15 | - |
| 4G92 | HAPB protein+HapE + Transcription factor HapC (Eurofung) | E. nidulans | 119+64+92 | X | 1.8 | Hetero 3-mer | ABC:DE | C | DE | - | 988.12 | 456.52 | 531.60 | - |
| 4H10 | Polymerase cofactor VP35 | H. sapiens | 146 | X | 2.4 | Heterodimer | AB:CD | AB | CD | - | 2406.35 | 1269.68 | 1136.67 | - |
| 4HF1 | Aryl hydrocarbon receptor nuclear translocator-like protein 1 + Circadian locomoter output cycles protein kaput | E. coli | 71+73 | X | 2.2 | Homodimer | AB:CD | AB | CD | - | 3789.64 | 1886.08 | 1903.56 | - |
| 4HLY | K9 | H. herpesvirus 8 type P | 132 | X | 1.5 | Homo 2-mer | AB:CD | AB | CD | - | 937.50 | 463.45 | 474.05 | - |
| 4HQE | Transcriptional regulator QsrR | S. aureus | 115 | X | 2.3 | Homodimer | AB:CD | AB | CD | - | 2483.25 | 1214.90 | 1268.35 | - |
| 4HQU | Platelet-derived growth factor subunit B | H. sapiens | 109 | X | 2.2 | Homodimer | AB:CD | AB | CD | - | 338.05 | 129.14 | 208.91 | - |
| 4I2O | FixK2 protein | B. japonicum | 243 | X | 1.8 | Homodimer | AB:WX | AB | WX | - | 2546.48 | 1239.96 | 1306.52 | - |
| 4IHT | HTH-type transcriptional regulator BenM | A. baylyi | 94 | X | 3.0 | Homodimer | AB:EF | AB | EF | - | 3407.78 | 1721.79 | 1685.99 | - |
| 4IQR | Hepatocyte nuclear factor 4-alpha+Nuclear receptor coactivator 2 | H. sapiens | 13+338 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 3433.67 | 1653.29 | 1780.38 | - |
| 4IZZ | Transcription Factor HetR | F. thermalis | 302 | X | 2.5 | Homodimer | AB:CD | AB | CD | - | 2956.61 | 1462.79 | 1493.82 | - |
| 4J19 | Homeobox-containing protein 1 | H. sapiens | 113 | X | 2.9 | Monomer | AB:CD | A | CD | - | 1294.31 | 680.51 | 613.80 | - |
| 4J19 | Homeobox-containing protein 1 | H. sapiens | 113 | X | 2.9 | Monomer | AB:CD | B | CD | - | 1960.36 | 1042.73 | 917.63 | - |
| 4J2X | Four and a half LIM domains protein 1 + Recombining binding protein suppressor of hairless | M. musculus | 28+427 | X | 2.9 | Monomer | AB:GH | A | GH | - | 2202.94 | 1116.72 | 1086.22 | - |
| 4JCX | Csp231I C protein | C. sp. RFL231 | 98 | X | 2.3 | Homodimer | AB:CD | AB | CD | - | 2735.43 | 1365.42 | 1370.01 | - |
| 4JL3 | Transcriptional regulator, TetR family | M. smegmatis | 196 | X | 2.5 | Homodimer | ABCD:EF | AB | EF | - | 2501.37 | 1264.28 | 1237.09 | - |
| 4JL3 | Transcriptional regulator, TetR family | M. smegmatis | 196 | X | 2.5 | Homodimer | ABCD:EF | CD | EF | - | 3201.82 | 1636.10 | 1565.72 | - |
| 4KFC | KDP operon transcriptional regulatory protein KdpE | E. coli | 227 | X | 2.5 | Homodimer | AB:YZ | AB | YZ | - | 2985.47 | 1421.79 | 1563.68 | - |
| 4LDX | Auxin response factor 1 | A. thaliana | 363 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 3549.59 | 1809.76 | 1739.83 | - |
| 4LLN | MepR | S. aureus | 140 | X | 2.8 | Homodimer | AB:GH | AB | GH | - | 4025.29 | 1950.71 | 2074.58 | - |
| 4LMG | Iron-regulated transcriptional activator AFT2 | S. cerevisiae | 157 | X | 2.2 | Monomer | AD:GH | BC | EF | - | 2571.65 | 1281.87 | 1289.78 | - |
| 4LUP | RNA polymerase sigma factor | E. coli | 106 | X | 1.2 | Monomer | A:B | A | B | - | 1288.13 | 590.34 | 697.79 | - |
| 4M8B | YHR177W | S. cerevisiae | 202 | X | 2.6 | Monomer | R:AB | R | AB | - | 2161.78 | 1093.91 | 1067.87 | - |
| 4MTD | Zinc uptake regulation protein | E. coli | 171 | X | 2.5 | Homodimer | ABCD:YZ | AB | YZ | - | 2868.14 | 1383.97 | 1484.17 | - |
| 4NHJ | DNA-binding transcriptional regulator RstA | K. pneumoniae subsp. pneumoniae | 119 | X | 2.7 | Homodimer | AB:CD | AB | CD | - | 3235.65 | 1669.63 | 1566.02 | - |
| 4ON0 | NolR | R. fredii | 118 | X | 3.0 | Homodimer | AB:EF | AB | EF | - | 2981.59 | 1489.10 | 1492.49 | - |
| 4PZI | Histone-lysine N-methyltransferase 2B | H. sapiens | 67 | X | 2.2 | Monomer | A:BC | A | BC | - | 1704.76 | 877.38 | 827.38 | - |
| 4QTJ | White-opaque regulator 1 | C. albicans | 274 | X | 2.1 | Monomer | A:BC | A | BC | - | 1512.93 | 768.28 | 744.65 | - |
| 4R22 | HTH-type transcriptional regulator TnrA | P. megaterium | 82 | X | 2.6 | Homodimer | AB:CG | AB | CG | - | 3016.40 | 1439.84 | 1576.56 | - |
| 4RB1 | DNA-binding transcriptional dual regulator of siderophore biosynthesis and transport(Fur family) | M. gryphiswaldense | 145 | X | 2.8 | Homodimer | ABCE:DF | AB | DF | - | 2800.84 | 1418.41 | 1382.43 | - |
| 4ROC | TATA-box-binding protein + Transcription factor IIIB 50 kDa subunit | H. sapiens | 183+360 | X | 1.9 | Heterodimer | AB:NT | A | NT | - | 2170.18 | 1058.91 | 1111.27 | - |
| 4ROC | TATA-box-binding protein + Transcription factor IIIB 50 kDa subunit | H. sapiens | 183+360 | X | 1.9 | Heterodimer | AB:NT | B | NT | - | 2921.26 | 1452.31 | 1468.95 | - |
| 4UX5 | TRANSCRIPTION FACTOR MBP1 | P. oryzae | 136 | X | 2.4 | Monomer | AB:CD | A | CD | - | 1586.77 | 805.57 | 781.20 | - |
| 4UX5 | TRANSCRIPTION FACTOR MBP1 | P. oryzae | 136 | X | 2.4 | Monomer | AB:CD | B | CD | - | 1369.01 | 692.76 | 676.25 | - |
| 4WLS | HTH-type transcriptional regulator CueR | E. coli | 128 | X | 2.1 | Homodimer | AB:XY | AB | XY | - | 2864.24 | 1399.53 | 1464.71 | - |
| 4WU4 | Response regulator receiver domain protein | NA | 68 | X | 2.3 | Homodimer | AB:GH | AB | GH | - | 2159.20 | 1047.61 | 1111.59 | - |
| 4XRM | Homeobox protein Meis2 | H. sapiens | 64 | X | 1.6 | Monomer | AB:LM | A | ML | - | 1222.52 | 627.38 | 595.14 | - |
| 4XRM | Homeobox protein Meis2 | H. sapiens | 64 | X | 1.6 | Monomer | AB:LM | B | ML | - | 1245.98 | 642.08 | 603.90 | - |
| 4Y00 | TAR DNA-binding protein 43 | H. sapiens | 103 | X | 3.0 | Monomer | A:E | A | E | - | 1454.70 | 663.00 | 791.70 | - |
| 4Z3C | Methylcytosine dioxygenase | H. sapiens | 52 | X | 1.6 | Monomer | C:AB | C | AB | - | 1348.79 | 701.63 | 647.16 | - |
| 5D23 | Fibroin-modulator-binding protein-1 | B. mori | 102 | X | 2.0 | Monomer | A:B | A | B | - | 2412.21 | 1263.23 | 1148.98 | - |
| 5D8C | MerR family regulator protein | H. influenzae | 137 | X | 2.3 | Homodimer | AB:CD | AB | CD | - | 2617.72 | 1256.71 | 1361.01 | - |
| 5DY0 | TetR family transcriptional regulator | C. glutamicum | 230 | X | 3.0 | Homodimer | AB:EF | AB | EF | - | 3307.85 | 1673.58 | 1634.27 | - |
| 5EG6 | Recombining binding protein suppressor of hairless+hRITA | M. musculus | 16+422 | X | 2.1 | Hetero 2-mer | CR:AB | C | AB | - | 1420.63 | 709.00 | 711.63 | - |
| 5EYB | DNA-binding protein reb1 | S. pombe | 362 | X | 2.7 | Monomer | A:CD | AB | CDEF | - | 8802.15 | 4334.06 | 4468.09 | - |
| 5F7Q | Lmo0178 protein | L. monocytogenes serovar 1/2a | 407 | X | 2.4 | Homodimer | CEJL:FK | CE | FK | - | 4531.81 | 2347.67 | 2184.14 | - |
| 5FD3 | Protein lin-54 homolog | H. sapiens | 135 | X | 2.4 | Monomer | A:HI | AB | CDHI | - | 4010.44 | 1909.28 | 2101.16 | - |
| 5FMP | HTH-TYPE TRANSCRIPTIONAL REPRESSOR KSTR | M. tuberculosis | 205 | X | 2.3 | Homodimer | AB:CD | AB | CD | - | 2283.49 | 1128.54 | 1154.95 | - |
| 5GNJ | Transcription factor MYC2 | A. thaliana | 89 | X | 2.7 | Homodimer | GI:KL | GI | KL | - | 2156.02 | 1122.26 | 1033.76 | - |
| 5GPC | Transcriptional regulator (TetR/AcrR family) | H. halodurans | 194 | X | 2.8 | Homodimer | ABCD:GE | AB | EG | - | 2187.65 | 1072.80 | 1114.85 | - |
| 5GZB | Transcriptional enhancer factor TEF-3 | H. sapiens | 107 | X | 2.7 | Monomer | A:BC | A | BC | - | 2061.42 | 1056.70 | 1004.72 | - |
| 5H3R | Multiple antibiotic resistance protein MarR | E. coli | 147 | X | 2.7 | Homodimer | AB:CD | AB | CD | - | 3489.05 | 1740.97 | 1748.08 | - |
| 5HLG | MarR family transcriptional regulator | S. epidermidis | 148 | X | 3.0 | Homodimer | AB:IJ | AB | IJ | - | 3943.63 | 1944.06 | 1999.57 | - |
| 5HSO | Uncharacterized HTH-type transcriptional regulator Rv2887 | M. tuberculosis | 160 | X | 2.5 | Homodimer | ABCD:EF | AB | EF | - | 797.93 | 410.99 | 386.94 | - |
| 5HSO | Uncharacterized HTH-type transcriptional regulator Rv2887 | M. tuberculosis | 160 | X | 2.5 | Homodimer | ABCD:EF | CD | EF | - | 938.05 | 470.89 | 467.16 | - |
| 5I44 | Chromosome-anchoring protein RacA | B. subtilis | 69 | X | 2.6 | Homodimer | ABDE:UW | AB | UW | - | 2104.79 | 1062.67 | 1042.12 | - |
| 5J2Y | Regulatory protein | P. aeruginosa | 80 | X | 2.4 | Monomer | A:F | A | F | - | 644.93 | 327.52 | 317.41 | - |
| 5J3E | Thymocyte nuclear protein 1 | H. sapiens | 225 | X | 2.6 | Monomer | A:EF | A | EF | - | 1069.28 | 518.56 | 550.72 | - |
| 5JGH | ARS-binding factor 2, mitochondrial | S. cerevisiae | 163 | X | 2.6 | Monomer | AD:BCEF | A | BCEF | - | 4527.85 | 2323.40 | 2204.45 | - |
| 5JLT | Middle transcription regulatory protein motA | E. phage T4 | 125 | X | 3.0 | Monomer | A:EF | A | EF | - | 2024.78 | 1030.17 | 994.61 | - |
| 5JUB | ComS+Transcriptional regulator | S. thermophilus | 310+8 | X | 2.6 | Homodimer | AB:XZ | AB | XZ | - | 2274.65 | 1092.44 | 1182.21 | - |
| 5K5Q | AspA | S. sp. NOB8H2 | 92 | X | 2.7 | Homodimer | ABCDEF:NP | AB | PN | - | 3259.82 | 1630.88 | 1628.94 | - |
| 5K5Q | AspA | S. sp. NOB8H2 | 92 | X | 2.7 | Homodimer | ABCDEF:NP | EF | PN | - | 2793.26 | 1415.42 | 1377.84 | - |
| 5K7Z | Transcriptional regulator, TetR family | M. xanthus | 231 | X | 2.9 | Homodimer | AB:EF | AB | EF | - | 2312.51 | 1151.40 | 1161.11 | - |
| 5LEJ | Listeriolysin regulatory protein | L. monocytogenes serovar 1/2a | 237 | X | 2.7 | Homodimer | AB:CD | AB | CD | - | 2734.84 | 1344.52 | 1390.32 | - |
| 5LXU | Transcription factor LUX | A. thaliana | 57 | X | 2.1 | Monomer | A:BU | A | BU | - | 1362.67 | 681.77 | 680.90 | - |
| 5MHJ | Major viral transcription factor ICP4 | H. herpesvirus 1 | 201 | X | 2.1 | Homodimer | AB:EF | AB | EF | - | 1629.54 | 861.85 | 767.69 | - |
| 5MPF | Grainyhead-like protein 1 homolog | H. sapiens | 238 | X | 2.9 | Homodimer | AB:EF | AB | EF | - | 2595.29 | 1364.10 | 1231.19 | - |
| 5OND | Transcription antitermination protein RfaH | E. coli | 162 | X | 2.1 | Monomer | A:C | A | C | - | 862.84 | 376.17 | 486.67 | - |
| 5TW1 | DNA-directed RNA polymerase subunit alpha + DNA-directed RNA polymerase subunit beta + DNA-directed RNA polymerase subunit beta' + DNA-directed RNA polymerase subunit omega + RNA polymerase sigma factor SigA + RNA polymerase-binding protein RbpA + Unknown peptide | M. smegmatis | 107+114+1169+1317+17+350+466 | X | 2.8 | Hetero 9-mer | ABCDEFJT:OP | C | OP | - | 9.11 | 4.70 | 4.41 | - |
| 5TW1 | DNA-directed RNA polymerase subunit alpha + DNA-directed RNA polymerase subunit beta + DNA-directed RNA polymerase subunit beta' + DNA-directed RNA polymerase subunit omega + RNA polymerase sigma factor SigA + RNA polymerase-binding protein RbpA + Unknown peptide | M. smegmatis | 107+114+1169+1317+17+350+466 | X | 2.8 | Hetero 9-mer | ABCDEFJT:OP | D | OP | - | 226.85 | 108.41 | 118.44 | - |
| 5TW1 | DNA-directed RNA polymerase subunit alpha + DNA-directed RNA polymerase subunit beta + DNA-directed RNA polymerase subunit beta' + DNA-directed RNA polymerase subunit omega + RNA polymerase sigma factor SigA + RNA polymerase-binding protein RbpA + Unknown peptide | M. smegmatis | 107+114+1169+1317+17+350+466 | X | 2.8 | Hetero 9-mer | ABCDEFJT:OP | F | OP | - | 3866.42 | 1915.33 | 1951.09 | - |
| 5TW1 | DNA-directed RNA polymerase subunit alpha + DNA-directed RNA polymerase subunit beta + DNA-directed RNA polymerase subunit beta' + DNA-directed RNA polymerase subunit omega + RNA polymerase sigma factor SigA + RNA polymerase-binding protein RbpA + Unknown peptide | M. smegmatis | 107+114+1169+1317+17+350+466 | X | 2.8 | Hetero 9-mer | ABCDEFJT:OP | J | OP | - | 166.60 | 84.07 | 82.53 | - |
| 5TW1 | DNA-directed RNA polymerase subunit alpha + DNA-directed RNA polymerase subunit beta + DNA-directed RNA polymerase subunit beta' + DNA-directed RNA polymerase subunit omega + RNA polymerase sigma factor SigA + RNA polymerase-binding protein RbpA + Unknown peptide | M. smegmatis | 107+114+1169+1317+17+350+466 | X | 2.8 | Hetero 9-mer | ABCDEFJT:OP | T | OP | - | 809.41 | 388.67 | 420.74 | - |
| 5VL9 | Regulatory protein TetR | E. lignolyticus | 192 | X | 2.2 | Homodimer | AB:EFGH | AB | EFGH | - | 2470.88 | 1277.37 | 1193.51 | - |
| 5WX9 | Ethylene-responsive transcription factor ERF096 | A. thaliana | 131 | X | 1.8 | Monomer | A:BC | A | BC | - | 2612.48 | 1356.65 | 1255.83 | - |
| 5X11 | Transcriptional regulator | B. spizizenii | 188 | X | 2.7 | Homodimer | AB:IJ | AB | IJ | - | 4221.95 | 2121.20 | 2100.75 | - |
| 5X5L | AdeR | A. baumannii | 109 | X | 2.8 | Homodimer | ABEHMN:CDFG | BH | CD | - | 3582.00 | 1766.37 | 1815.63 | - |
| 5XFP | PHD finger protein 1 | H. sapiens | 336 | X | 2.3 | Monomer | B:CD | B | CD | - | 1010.95 | 526.29 | 484.66 | - |
| 5XFQ | PHD finger protein 1+Peptide from Histone H3 | M. musculus | 13+336 | X | 2.4 | homo 2-mer | AB:CD | A | CD | - | 993.95 | 505.39 | 488.56 | - |
| 5XSK | Hepatoma-derived growth factor | R. norvegicus | 120 | X | 2.8 | Homodimer | AB:DF | AB | DF | - | 720.34 | 334.93 | 385.41 | - |
| 5YEJ | TetR family transcriptional regulator | M. smegmatis | 232 | X | 2.7 | Homodimer | BC:DF | BC | DF | - | 2862.87 | 1406.95 | 1455.92 | - |
| 5YI2 | Zinc transport transcriptional regulator | L. lactis subsp. lactis | 146 | X | 2.6 | Homodimer | AB:CD | AB | CD | - | 2595.65 | 1309.68 | 1285.97 | - |
| 5ZD4 | Maltose-binding periplasmic protein,Protein BRASSINAZOLE-RESISTANT 1 | A. thaliana | 453 | X | 2.2 | Homodimer | CD:GH | CD | GH | - | 3065.18 | 1559.88 | 1505.30 | - |
| 6ASB | F-box/LRR-repeat protein 19 | H. sapiens | 123 | X | 2.9 | Monomer | A:BC | A | BC | - | 1707.41 | 887.81 | 819.60 | - |
| 6C2S | Transcriptional regulator, MarR family | R. palustris | 186 | X | 2.9 | Homodimer | AD:UV | AD | UV | - | 3000.25 | 1510.71 | 1489.54 | - |
| 6C31 | TetR family transcriptional regulator | M. tuberculosis | 214 | X | 3.0 | Homodimer | ABCD:KL | AD | KL | - | 3017.24 | 1494.36 | 1522.88 | - |
| 6C31 | TetR family transcriptional regulator | M. tuberculosis | 214 | X | 3.0 | Homodimer | ABCD:KL | BC | KL | - | 2536.03 | 1257.22 | 1278.81 | - |
| 6CG8 | UPF0335 protein B7Z12_12435 | C. vibrioides | 78 | X | 2.3 | Homodimer | ABDE:CF | ABDE | CF | - | 1395.03 | 684.41 | 710.62 | - |
| 6CHV | Antitoxin HigA | P. vulgaris | 121 | X | 2.9 | Homodimer | AC:IJ | AC | IJ | - | 2581.70 | 1287.52 | 1294.18 | - |
| 6CRO | LAMBDA CRO REPRESSOR | E. phage lambda | 60 | X | 3.0 | Homodimer | AB:RUCD | AB | RUCD | - | 3037.82 | 1534.03 | 1503.79 | - |
| 6EL8 | Forkhead box protein N1 | H. sapiens | 99 | X | 1.6 | Monomer | A:BC | A | BC | - | 1481.13 | 755.37 | 725.76 | - |
| 6FAS | B3 domain-containing transcription repressor VAL1 | A. thaliana | 119 | X | 1.9 | Monomer | A:CD | A | CD | - | 1386.45 | 690.99 | 695.46 | - |
| 6FN0 | Cryptochrome photoreceptor | C. reinhardtii | 499 | X | 2.9 | Monomer | A:CD | A | CD | - | 1861.35 | 902.05 | 959.30 | - |
| 6G1T | AM32 | E. faecalis | 122 | X | 1.9 | Monomer | A:DE | A | DE | - | 3231.06 | 1598.53 | 1632.53 | - |
| 6HP7 | SPBc2 prophage-derived uncharacterized protein YopK | B. subtilis | 386 | X | 2.2 | Homodimer | AB:CD | AB | CD | - | 4009.93 | 1925.43 | 2084.50 | - |
| 6IDE | Transcriptional regulator LuxR family | V. cholerae | 256 | X | 2.5 | Homodimer | AB:CD | AB | CD | - | 2585.76 | 1284.54 | 1301.22 | - |
| 6IR8 | OsWRKY45 | O. sativa subsp. japonica | 69 | X | 2.3 | Monomer | A:BC | A | BC | - | 1218.07 | 615.39 | 602.68 | - |
| 6J4F | Probable WRKY transcription factor 2 | A. thaliana | 82 | X | 2.4 | Monomer | B:CD | B | CD | - | 1259.40 | 618.89 | 640.51 | - |
| 6JBX | Fatty acid biosynthesis transcriptional regulator | S. pneumoniae | 152 | X | 2.2 | Homodimer | AB:CD | AB | CD | - | 3613.00 | 1761.89 | 1851.11 | - |
| 6JGW | CadR | P. putida | 147 | X | 2.8 | Homodimer | AB:CD | AB | CD | - | 3043.05 | 1430.67 | 1612.38 | - |
| 6LB3 | HTH cro/C1-type domain-containing protein | P. aeruginosa | 109 | X | 2.5 | Homo 4-mer | ABGH:IJ | AB | IJ | - | 1652.47 | 799.92 | 852.55 | - |
| 6LUI | Atherin | H. sapiens | 80 | X | 1.8 | Monomer | A:BC | A | BC | - | 1533.94 | 794.28 | 739.66 | - |
| 6LXN | Transcriptional regulatory protein OmpR | E. coli | 113 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 3423.52 | 1712.04 | 1711.48 | - |
| 6MRJ | Nickel-responsive regulator | H. pylori | 148 | X | 2.8 | Homo 4-mer | ABCD:LM | AB | LM | - | 1763.93 | 886.55 | 877.38 | - |
| 6MRJ | Nickel-responsive regulator | H. pylori | 148 | X | 2.8 | Homo 4-mer | ABCD:LM | CD | LM | - | 2054.74 | 1013.99 | 1040.75 | - |
| 6NSM | TetR family transcriptional regulator CifR | P. aeruginosa | 198 | X | 2.8 | Homodimer | AB:CD | AB | CD | - | 3616.70 | 1886.21 | 1730.49 | - |
| 6ON0 | Gp39 | R. N15 | 71 | X | 1.6 | Homodimer | AB:CN | AB | CN | - | 1977.14 | 996.89 | 980.25 | - |
| 6P0S | DNA-binding protein Fis+Excisionase | E. phage lambda | 55+98 | X | 2.7 | FiS Homodimer and Excisionase Monomer | ABE:CD | AB | CD | - | 2000.51 | 1024.09 | 976.42 | - |
| 6P0S | DNA-binding protein Fis+Excisionase | E. phage lambda | 55+98 | X | 2.7 | FiS Homodimer and Excisionase Monomer | ABE:CD | E | CD | - | 1576.65 | 798.42 | 778.23 | - |
| 6P1A | Q protein | E. phage 21 | 162 | X | 2.8 | Homo 2-mer | AB:DE | C | FG | - | 1680.22 | 874.78 | 805.44 | - |
| 6P1A | Q protein | E. phage 21 | 162 | X | 2.8 | Homo 2-mer | AB:DE | A | DE | - | 1708.38 | 897.70 | 810.68 | - |
| 6Q2B | MarR family transcriptional regulator | L. monocytogenes serovar 1/2a | 153 | X | 2.7 | Homodimer | AB:CD | AB | CD | - | 4511.09 | 2276.73 | 2234.36 | - |
| 6QFD | DNA-binding protein | H. salinarum | 116 | X | 2.1 | Homodimer | AB:EF | AB | EF | - | 3484.16 | 1714.65 | 1769.51 | - |
| 6RYD | Protein WUSCHEL | A. thaliana | 76 | X | 1.6 | Homodimer | EF:GH | EF | GH | - | 3015.84 | 1575.76 | 1440.08 | - |
| 6W1A | Transcriptional regulator | S. dysgalactiae | 284 | X | 2.8 | Homodimer | AB:EF | AB | EF | - | 2465.11 | 1203.23 | 1261.88 | - |
| 6ZA3 | Transcriptional regulator, GntR family | A. fabrum | 250 | X | 2.1 | Homodimer | AB:EF | AB | EF | - | 2213.60 | 1074.51 | 1139.09 | - |
| 7AMN | HTH-type transcriptional regulator LuxR | V. alginolyticus | 221 | X | 2.3 | Homodimer | AB:EF | BA | EF | - | 3487.75 | 1751.96 | 1735.79 | - |
| 7B0C | HTH-type transcriptional repressor NsrR | S. coelicolor | 161 | X | 3.0 | Homodimer | AB:CD | AB | CD | - | 3468.55 | 1742.75 | 1725.80 | - |
| 7BCB | KORA domain-containing protein | E. coli | 110 | X | 2.8 | Homodimer | AB:CD | AB | CD | - | 2317.08 | 1172.72 | 1144.36 | - |
| 7BHY | Deoxyribonucleoside regulator | B. subtilis | 57 | X | 2.3 | Homodimer | AB:EG | AB | EG | - | 1828.62 | 945.01 | 883.61 | - |
| 7BZG | HTH-type transcriptional activator HxlR | B. subtilis | 123 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 2942.96 | 1399.81 | 1543.15 | - |
| 7C0G | Aca1 | P. phage | 79 | X | 2.4 | Homo 2-mer | AB:CD | AB | CD | - | 950.93 | 496.61 | 454.32 | - |
| 7C9O | Nuclear transcription factor Y subunit B-11 + Nuclear transcription factor Y subunit C-2 + Zinc finger protein HD1 | O. sativa subsp. japonica | 104+67+95 | X | 2.6 | Heterodimer | ABC:DE | BC | DE | - | 1737.66 | 789.52 | 948.14 | - |
| 7C9O | Nuclear transcription factor Y subunit B-11 + Nuclear transcription factor Y subunit C-2 + Zinc finger protein HD1 | O. sativa subsp. japonica | 104+67+95 | X | 2.6 | Monomer | ABC:DE | A | DE | - | 1855.47 | 975.76 | 879.71 | - |
| 7DVV | HTH marR-type domain-containing protein | S. agalactiae serotype III | 153 | X | 2.5 | Homodimer | AB:LM | AB | LM | - | 4639.54 | 2313.43 | 2326.11 | - |
| 7EL3 | Homoprotocatechuate degradation operon regulator HpaR | A. baumannii | 141 | X | 1.7 | Homodimer | AB:CD | AB | CD | - | 4273.29 | 2152.27 | 2121.02 | - |
| 7EOF | Coiled-coil domain-containing protein 25 | H. sapiens | 204 | X | 2.7 | Homo 2-mer | AB:CD | AB | CD | - | 376.28 | 196.00 | 180.28 | - |
| 7ET4 | AP2/ERF and B3 domain-containing transcription repressor TEM1 | A. thaliana | 122 | X | 2.7 | Monomer | A:BC | A | BC | - | 1607.76 | 791.81 | 815.95 | - |
| 7ET6 | AP2/ERF and B3 domain-containing transcription repressor TEM1 | A. thaliana | 125 | X | 2.7 | Monomer | AD:EF | A | EF | - | 1845.67 | 908.14 | 937.53 | - |
| 7ET6 | AP2/ERF and B3 domain-containing transcription repressor TEM1 | A. thaliana | 125 | X | 2.7 | Monomer | AD:EF | D | EF | - | 719.63 | 316.11 | 403.52 | - |
| 7F2F | Serine-rich protein TYE7 | S. cerevisiae | 136 | X | 2.6 | Homodimer | AB:EH | AB | EH | - | 2904.06 | 1444.07 | 1459.99 | - |
| 7F9H | EnrR repressor | E. piscicida | 90 | X | 1.8 | Monomer | AB:CD | A | CD | - | 1565.37 | 747.06 | 818.31 | - |
| 7JNP | HTH-type transcriptional regulator MtrR | N. gonorrhoeae | 213 | X | 2.6 | Homodimer | AB:CD | AB | CD | - | 2365.61 | 1172.04 | 1193.57 | - |
| 7LH9 | Bromodomain-containing protein 1 | H. sapiens | 126 | X | 2.6 | Monomer | A:EFBC | A | EFBC | - | 1425.64 | 714.99 | 710.65 | - |
| 7PRV | Glucocorticoid receptor + Peroxisome proliferator-activated receptor gamma coactivator 1-alpha | H. sapiens | 21+393 | X | 2.7 | Homodimer | AD:EF | AB | CD | - | 2622.23 | 1302.35 | 1319.88 | - |
| 7PZA | Putative cAMP-binding protein-catabolite gene activator | R. meliloti | 244 | X | 2.7 | Homodimer | ABF:CD | AB | CDEF | - | 2506.47 | 1259.47 | 1247.00 | - |
| 7T8K | BrxR | A. sp. NEB 394 | 291 | X | 2.3 | Homodimer | AB:CDEF | AB | CD | - | 3192.37 | 1610.37 | 1582.00 | - |
| 7TZ1 | Immunity repressor | M. phage TipsytheTRex | 203 | X | 2.8 | Monomer | AB:CD | A | BC | - | 3120.48 | 1566.69 | 1553.79 | - |
| 7V6W | Antitoxin+Putative mRNA interferase YoeB | S. aureus | 85+89 | X | 2.6 | Homodimer | A:BC | AB | GH | - | 1833.91 | 917.57 | 916.34 | - |
| 7V9F | BEN domain-containing protein 3 | M. musculus | 114 | X | 2.5 | Monomer | A:BC | A | BC | - | 579.20 | 260.77 | 318.43 | - |
| 7VJQ | anti-CRISPR-associated protein Aca2 | P. phage ZF40 | 121 | X | 2.8 | Homodimer | AB:CD | AB | CD | - | 2267.83 | 1174.55 | 1093.28 | - |
| 7VP1 | Transcription factor TCP10 | A. thaliana | 107 | X | 2.9 | Homodimer | AB:CD | AB | CD | - | 2408.28 | 1224.22 | 1184.06 | - |
| 7X5G | Nuclear factor erythroid 2-related factor 2 + Transcription factor MafG | H. sapiens | 104+113 | X | 2.3 | Heterodimer | AB:CD | AB | CD | - | 2771.28 | 1423.07 | 1348.21 | - |
| 7XQ5 | Protein INO2 + Protein INO4 | S. cerevisiae | 73+75 | X | 2.3 | Heterodimer | AB:CD | AB | CD | - | 3238.71 | 1648.96 | 1589.75 | - |
| 7YUK | Protein BANP | H. sapiens | 141 | X | 2.1 | Monomer | A:CD | A | CD | - | 1338.23 | 658.47 | 679.76 | - |
| 7YZG | Forkhead box protein H1 | X. laevis | 140 | X | 2.8 | Monomer | A:BC | A | BC | - | 2362.88 | 1167.97 | 1194.91 | - |
| 7ZG5 | Acetyltransferase + DUF1778 domain-containing protein | S. typhimurium | 176+94 | X | 2.0 | Homodimer | ABCD:EF | CD | EF | - | 534.06 | 264.26 | 269.80 | - |
| 8B4B | Cholera toxin transcriptional activator | V. cholerae serotype O1 | 110 | X | 1.8 | Monomer tandem repeat | WXYZ:LM | W | LM | - | 1344.30 | 645.16 | 699.14 | - |
| 8B4B | Cholera toxin transcriptional activator | V. cholerae serotype O1 | 110 | X | 1.8 | Monomer tandem repeat | WXYZ:LM | X | LM | - | 988.36 | 489.59 | 498.77 | - |
| 8B4B | Cholera toxin transcriptional activator | V. cholerae serotype O1 | 110 | X | 1.8 | Monomer tandem repeat | WXYZ:LM | Z | LM | - | 1653.95 | 814.68 | 839.27 | - |
| 8B4B | Cholera toxin transcriptional activator | V. cholerae serotype O1 | 110 | X | 1.8 | Monomer tandem repeat | WXYZ:LM | Y | LM | - | 1005.04 | 496.73 | 508.31 | - |
| 8EB5 | Hermes transposase BED domain | M. domestica | 78 | X | 2.5 | Monomer , two repeat | AB:CE | AB | CE | - | 3162.66 | 1569.03 | 1593.63 | - |
| 8EJO | Homeobox domain-containing protein | O. anatinus | 71 | X | 2.7 | Homodimer | AB:CD | B | CD | - | 1866.23 | 961.18 | 905.05 | - |
| 8HML | DNA-binding response OmpR family regulator | S. erythraea | 143 | X | 3.0 | Monomer tandem repeat | AB:CD | A | CD | - | 1475.51 | 731.30 | 744.21 | - |
| 8HML | DNA-binding response OmpR family regulator | S. erythraea | 143 | X | 3.0 | Monomer tandem repeat | AB:CD | B | CD | - | 1763.83 | 878.49 | 885.34 | - |
| 8IKE | LMX1A factor | H. sapiens | 60 | X | 2.6 | Monomer | C:AB | C | AB | - | 1537.07 | 749.60 | 787.47 | - |
| 8J0K | Transcription factor AP-2-alpha | H. sapiens | 219 | X | 2.1 | Homodimer | AB:CD | AB | CD | - | 2262.96 | 1156.37 | 1106.59 | - |
| 8K4L | Nuclear respiratory factor 1 | H. sapiens | 109 | X | 2.3 | Homodimer | AB:CD | AB | CD | - | 3068.13 | 1505.92 | 1562.21 | - |
| 8K86 | Nuclear factor interleukin-3-regulated protein | H. sapiens | 73 | X | 2.1 | Homodimer | AB:CD | AB | CD | - | 2481.36 | 1283.27 | 1198.09 | - |
| 8P5Q | Protein LIGHT-DEPENDENT SHORT HYPOCOTYLS 3 | A. thaliana | 129 | X | 2.1 | Monomer | A:BC | A | BC | - | 2121.36 | 1053.96 | 1067.40 | - |
| 8PW0 | Iron dependent repressor, putative | D. radiodurans | 148 | X | 2.2 | Homodimer | AC:BD | AC | BD | - | 3275.97 | 1652.11 | 1623.86 | - |
| 8UVK | DNA-binding response regulator | C. jejuni | 224 | X | 2.2 | Homodimer | AB:CD | AB | CD | - | 2781.18 | 1392.34 | 1388.84 | - |
| 8YEY | Activating signal cointegrator 1 | H. sapiens | 148 | X | 2.0 | Monomer | AC:BD | A | B | - | 501.06 | 241.74 | 259.32 | - |
| 1A66 | CORE NFATC1 | H. sapiens | 178 | N | - | Monomer | A:BC | A | BC | - | 2212.95 | 1085.34 | 1127.61 | - |
| 1AHD | Homeotic protein antennapedia | D. melanogaster | 68 | N | - | Monomer | P:AB | P | AB | - | 2289.52 | 1159.45 | 1130.07 | - |
| 1C7U | MYOCYTE-SPECIFIC ENHANCER FACTOR 2A, C4 FORM | H. sapiens | 85 | N | - | Homodimer | AB:CD | AB | CD | - | 3489.87 | 1806.53 | 1683.34 | - |
| 1CJG | PROTEIN (LAC REPRESSOR) | E. coli | 62 | N | - | Homodimer | AB:CD | AB | CD | - | 3779.91 | 1831.99 | 1947.92 | - |
| 1CO0 | TRP OPERON REPRESSOR | E. coli | 107 | N | - | Homodimer | AB:EF | AB | EF | - | 3006.06 | 1515.50 | 1490.56 | - |
| 1F4S | ETHANOL REGULON TRANSCRIPTIONAL FACTOR | E. nidulans | 65 | N | - | Monomer | P:AB | P | AB | - | 2210.69 | 1162.19 | 1048.50 | - |
| 1G4D | REPRESSOR PROTEIN C | E. phage Mu | 69 | N | - | Monomer | A:BC | A | BC | - | 1707.68 | 888.43 | 819.25 | - |
| 1GAT | ERYTHROID TRANSCRIPTION FACTOR GATA-1 | G. gallus | 60 | N | - | Monomer | A:BC | A | BC | - | 2036.10 | 1038.88 | 997.22 | - |
| 1GCC | ETHYLENE RESPONSIVE ELEMENT BINDING FACTOR 1 | A. thaliana | 63 | N | - | Monomer | A:BC | A | BC | - | 1611.74 | 831.91 | 779.83 | - |
| 1HRY | HUMAN SRY | H. sapiens | 76 | N | - | Monomer | A:BC | A | BC | - | 2106.10 | 1135.57 | 970.53 | - |
| 1J4W | FUSE binding protein | H. sapiens | 174 | N | - | Monomer | A:B | A | B | - | 2045.10 | 993.57 | 1051.53 | - |
| 1KQQ | DEAD RINGER PROTEIN | D. melanogaster | 139 | N | - | Monomer | A:BC | A | BC | - | 1744.56 | 862.72 | 881.84 | - |
| 1LFU | homeobox protein PBX1 | M. musculus | 82 | N | - | Monomer | P:AB | P | AB | - | 2210.20 | 1178.13 | 1032.07 | - |
| 1LO1 | Steroid hormone receptor ERR2 | H. sapiens | 98 | N | - | Monomer | A:BC | A | BC | - | 2452.07 | 1244.52 | 1207.55 | - |
| 1MSE | C-Myb DNA-Binding Domain | M. musculus | 105 | N | - | Monomer | C:AB | C | AB | - | 2841.10 | 1358.07 | 1483.03 | - |
| 1O4X | Transcription factor SOX-2 + transcription factor Oct-1 | H. sapiens | 167+88 | N | - | Heterodimer | AB:CD | A | CD | - | 2156.60 | 1086.42 | 1070.18 | - |
| 1O4X | Transcription factor SOX-2 + transcription factor Oct-1 | H. sapiens | 167+88 | N | - | Heterodimer | AB:CD | B | CD | - | 2772.36 | 1453.62 | 1318.74 | - |
| 1TF3 | TRANSCRIPTION FACTOR IIIA | X. laevis | 92 | N | - | Monomer | A:EF | A | EF | - | 3254.85 | 1638.42 | 1616.43 | - |
| 1XS9 | DNA-directed RNA polymerase alpha chain+Multiple antibiotic resistance protein marA | E. coli | 132+84 | N | - | Heterodimer | A:BC | A | BC | - | 2794.91 | 1406.85 | 1388.06 | - |
| 1YUI | GAGA-FACTOR | D. melanogaster | 54 | N | - | Monomer | A:BC | A | BC | - | 2358.93 | 1243.39 | 1115.54 | - |
| 1ZGW | Ada polyprotein | E. coli | 139 | N | - | Monomer | A:BC | A | BC | - | 2456.67 | 1242.39 | 1214.28 | - |
| 2HDC | TRANSCRIPTION FACTOR | R. norvegicus | 97 | N | - | Monomer | A:BC | A | BC | - | 2375.02 | 1185.35 | 1189.67 | - |
| 2JX1 | Myelin transcription factor 1 | M. musculus | 31 | N | - | Monomer | A:BC | A | BC | - | 1419.22 | 753.65 | 665.57 | - |
| 2K1N | AbrB family transcriptional regulator | B. subtilis | 55 | N | - | Homodimer | ABCD:EF | AB | EF | - | 1730.88 | 827.92 | 902.96 | - |
| 2K1N | AbrB family transcriptional regulator | B. subtilis | 55 | N | - | Homodimer | ABCD:EF | CD | EF | - | 1423.30 | 658.64 | 764.66 | - |
| 2KAE | GATA-type transcription factor | C. elegans | 71 | N | - | Monomer | A:BC | A | BC | - | 2961.63 | 1585.49 | 1376.14 | - |
| 2KKF | Histone-lysine N-methyltransferase HRX | H. sapiens | 59 | N | - | Monomer | A:BC | A | BC | - | 1903.86 | 1009.49 | 894.37 | - |
| 2KMK | Zinc finger protein Gfi-1 | R. norvegicus | 82 | N | - | Monomer | A:BC | A | BC | - | 2761.69 | 1430.29 | 1331.40 | - |
| 2KO0 | THAP domain-containing protein 1 | H. sapiens | 87 | N | - | Monomer | A:BC | A | BC | - | 2171.24 | 1141.38 | 1029.86 | - |
| 2LEF | LYMPHOID ENHANCER-BINDING FACTOR | M. musculus | 86 | N | - | Monomer | A:BC | A | BC | - | 3677.20 | 1883.85 | 1793.35 | - |
| 2LEV | Ler | E. coli O157:H7 | 57 | N | - | Monomer | A:BC | A | BC | - | 928.05 | 454.33 | 473.72 | - |
| 2LEX | Probable WRKY transcription factor 4 | A. thaliana | 78 | N | - | Monomer | A:BC | A | BC | - | 1199.77 | 590.65 | 609.12 | - |
| 2MAP | RNA polymerase sigma factor | E. coli | 96 | N | - | Monomer | A:B | A | B | - | 1433.09 | 664.70 | 768.39 | - |
| 2MRU | Antitoxin MazE | E. coli | 67 | N | - | Homodimer | AB:XY | AB | XY | - | 1674.86 | 865.11 | 809.75 | - |
| 2MXF | MvaT | P. aeruginosa | 55 | N | - | Monomer | A:BC | A | BC | - | 1636.56 | 851.38 | 785.18 | - |
| 2O8K | RNA polymerase sigma factor RpoN | A. aeolicus | 63 | N | - | Monomer | A:BC | A | BC | - | 1553.18 | 745.10 | 808.08 | - |
| 2P7C | Penicillinase repressor | B. licheniformis | 82 | N | - | Monomer | B:AC | B | AC | - | 2320.36 | 1098.58 | 1221.78 | - |
| 2STT | ETS1 | H. sapiens | 96 | N | - | Monomer | A:BC | A | BC | - | 1814.55 | 907.37 | 907.18 | - |
| 2Z33 | Phosphate regulon transcriptional regulatory protein phoB | E. coli | 104 | N | - | Monomer | A:BC | A | BC | - | 1967.62 | 978.90 | 988.72 | - |
| II. RNA-binding Transcription Factors | ||||||||||||||
| 1C9S | TRP RNA-BINDING ATTENUATION PROTEIN | G. stearothermophilus | 74 | X | 1.9 | Homo 11-mer | ABCDEFGHIJKLMNOPQRSTUV:W | L | - | W | 1050.03 | 501.97 | - | 548.06 |
| 1WMQ | Hut operon positive regulatory protein | B. subtilis | 147 | X | 1.6 | Homodimer | AEI:CGK | AI | - | C | 1447.86 | 652.86 | - | 795.00 |
| 2A8V | RNA BINDING DOMAIN OF RHO TRANSCRIPTION TERMINATION FACTOR | E. coli | 118 | X | 2.4 | Monomer | A:D | B | - | E | 719.24 | 281.10 | - | 438.14 |
| 2ASB | Transcription elongation protein nusA | M. tuberculosis | 251 | X | 1.5 | Monomer | A:B | A | - | B | 2316.22 | 1091.57 | - | 1224.65 |
| 3KS8 | Polymerase cofactor VP35 | R. ebolavirus | 184 | X | 2.4 | Homo 2-mer | AB:EF | AB | - | EF | 1663.27 | 799.28 | - | 863.99 |
| 3R2C | 30S ribosomal protein S10 + N utilization substance protein B | A. aeolicus | 148+83 | X | 1.9 | Heterodimer | AJ | - | R | 2277.78 | 1027.03 | - | 1250.75 | |
| 4GHA | Polymerase cofactor VP35 | O. marburgense | 146 | X | 2.5 | Homo 4-mer | ACEG:IJ | A | - | IJ | 1015.77 | 488.94 | - | 526.83 |
| 4GHA | Polymerase cofactor VP35 | O. marburgense | 146 | X | 2.5 | Homo 4-mer | ACEG:IJ | C | - | IJ | 699.53 | 339.26 | - | 360.27 |
| 5M3H | Polymerase acidic protein + Polymerase basic protein 2 + RNA-directed RNA polymerase catalytic subunit + TYR-SER-PRO-THR-SEP-PRO | H. sapiens | 28+728+776+797 | X | 2.5 | Hetero 5-mer | ABCXY:RV | A | - | RV | 2982.83 | 1460.02 | - | 1522.81 |
| 5M3H | Polymerase acidic protein + Polymerase basic protein 2 + RNA-directed RNA polymerase catalytic subunit + TYR-SER-PRO-THR-SEP-PRO | H. sapiens | 28+728+776+797 | X | 2.5 | Hetero 5-mer | ABCXY:RV | B | - | RV | 2230.88 | 1128.45 | - | 1102.43 |
| 5M3H | Polymerase acidic protein + Polymerase basic protein 2 + RNA-directed RNA polymerase catalytic subunit + TYR-SER-PRO-THR-SEP-PRO | H. sapiens | 28+728+776+797 | X | 2.5 | Hetero 5-mer | ABCXY:RV | C | - | RV | 603.54 | 289.52 | - | 314.02 |
| 6FHI | Polymerase acidic protein+Polymerase basic protein 2+RNA-directed RNA polymerase catalytic subunit+TYR-SER-PRO-THR-SEP-PRO-SER-TYR-SER-PRO-SER-TYR-SER-PRO-THR-SEP-PRO-SER-TYR | H. sapiens,Influenza A virus | 19+738+776+809 | X | 2.8 | Hetero 4-mer | ABCX:RV | A | - | RV | 3045.20 | 1494.38 | - | 1550.82 |
| 6FHI | Polymerase acidic protein+Polymerase basic protein 2+RNA-directed RNA polymerase catalytic subunit+TYR-SER-PRO-THR-SEP-PRO-SER-TYR-SER-PRO-SER-TYR-SER-PRO-THR-SEP-PRO-SER-TYR | H. sapiens,Influenza A virus | 19+738+776+809 | X | 2.8 | Hetero 4-mer | ABCX:RV | B | - | RV | 2294.31 | 1172.99 | - | 1121.32 |
| 6FHI | Polymerase acidic protein+Polymerase basic protein 2+RNA-directed RNA polymerase catalytic subunit+TYR-SER-PRO-THR-SEP-PRO-SER-TYR-SER-PRO-SER-TYR-SER-PRO-THR-SEP-PRO-SER-TYR | H. sapiens,Influenza A virus | 19+738+776+809 | X | 2.8 | Hetero 4-mer | ABCX:RV | C | - | RV | 611.11 | 289.87 | - | 321.24 |
| 8F5G | Transcription termination/antitermination protein NusG | T. pseudethanolicus | 182 | X | 2.7 | Monomer | A:D | A | - | D | 1529.09 | 750.88 | - | 778.21 |
| 1L1C | Transcription antiterminator licT | B. subtilis | 55 | N | - | Homo 2-mer | AB:C | AB | - | CD | 2351.99 | 1168.11 | - | 1183.88 |
| 1QFQ | 36-mer N-terminal peptide of the N protein | E. phage lambda | 35 | N | - | Monomer | B:A | B | - | A | 1321.93 | 674.32 | - | 647.61 |
| III. DNA-RNA-binding Transcription Factors | ||||||||||||||
| 5XOG | DNA-directed RNA polymerase subunit + DNA-directed RNA polymerase subunit + DNA-directed RNA polymerase subunit beta + RNA polymerase II subunit + RNA polymerase II subunit B12.5 + RNA polymerase II subunit B32 + RNA polymerase II third largest subunit B44, part of central core + RNA polymerase subunit ABC10-alpha + RNA polymerase subunit ABC14.5, common to RNA polymerases I, II, and III + RNA polymerase subunit ABC23, common to RNA polymerases I, II, and II I+ RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III + Spt4/5 complex component + Transcription elongation factor 1 homolog | K. phaffii | 115+118+1227+145+155+171+1743+186+214+304+72+83+85 | X | 3.0 | Hetero 14-mer | ABCDEFGHIJKLMW:NT | A | NT | P | 3657.55 | 1372.88 | 1516.44 | 768.23 |
| 5XOG | DNA-directed RNA polymerase subunit + DNA-directed RNA polymerase subunit + DNA-directed RNA polymerase subunit beta + RNA polymerase II subunit + RNA polymerase II subunit B12.5 + RNA polymerase II subunit B32 + RNA polymerase II third largest subunit B44, part of central core + RNA polymerase subunit ABC10-alpha + RNA polymerase subunit ABC14.5, common to RNA polymerases I, II, and III + RNA polymerase subunit ABC23, common to RNA polymerases I, II, and II I+ RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III + Spt4/5 complex component + Transcription elongation factor 1 homolog | K. phaffii | 115+118+1227+145+155+171+1743+186+214+304+72+83+85 | X | 3.0 | Hetero 14-mer | ABCDEFGHIJKLMW:NT | B | NT | P | 3861.21 | 1441.16 | 1364.73 | 1055.32 |
| 5XOG | DNA-directed RNA polymerase subunit + DNA-directed RNA polymerase subunit + DNA-directed RNA polymerase subunit beta + RNA polymerase II subunit + RNA polymerase II subunit B12.5 + RNA polymerase II subunit B32 + RNA polymerase II third largest subunit B44, part of central core + RNA polymerase subunit ABC10-alpha + RNA polymerase subunit ABC14.5, common to RNA polymerases I, II, and III + RNA polymerase subunit ABC23, common to RNA polymerases I, II, and II I+ RNA polymerase subunit ABC27, common to RNA polymerases I, II, and III + Spt4/5 complex component + Transcription elongation factor 1 homolog | K. phaffii | 115+118+1227+145+155+171+1743+186+214+304+72+83+85 | X | 3.0 | Hetero 14-mer | ABCDEFGHIJKLMW:NT | E | NT | P | 1401.87 | 227.41 | 704.21 | 470.25 |
| 5ZX2 | DNA-directed RNA polymerase subunit alpha + DNA-directed RNA polymerase subunit beta + DNA-directed RNA polymerase subunit beta' + DNA-directed RNA polymerase subunit omega + ECF RNA polymerase sigma factor SigH | M. tuberculosis | 110+1174+1317+218+368 | X | 2.8 | Hetero 6-mer | ABCDEF:GH | C | GH | I | 4974.87 | 2072.1 | 2079.75 | 823.02 |
| 5ZX2 | DNA-directed RNA polymerase subunit alpha + DNA-directed RNA polymerase subunit beta + DNA-directed RNA polymerase subunit beta' + DNA-directed RNA polymerase subunit omega + ECF RNA polymerase sigma factor SigH | M. tuberculosis | 110+1174+1317+218+368 | X | 2.8 | Hetero 6-mer | ABCDEF:GH | D | GH | I | 4089.56 | 1680.92 | 1857.32 | 551.32 |
| 5ZX2 | DNA-directed RNA polymerase subunit alpha + DNA-directed RNA polymerase subunit beta + DNA-directed RNA polymerase subunit beta' + DNA-directed RNA polymerase subunit omega + ECF RNA polymerase sigma factor SigH | M. tuberculosis | 110+1174+1317+218+368 | X | 2.8 | Hetero 6-mer | ABCDEF:GH | F | GH | I | 5124.67 | 2175.71 | 2489.58 | 459.38 |
aPDB ID: Four letter protein data bank ID;
bProtein: Name of the biomolecules;
cSource Organisms: Source of the sequence obtained from various organisms;
dProtein length: Length of the amino acid sequence;
eExperimental Methods: Biophysical methods used for the structure determination (X: X-ray, N:NMR);
fResolution (Å): Resolution of the macromolecules;
gOligomeric State: Total number of biomolecules in a biological assembly;
hPDB iChain Id: Chain Identifier from the PDB file;
jChain: Protein ,DNA and RNA chain involved in unique interface;
kBSA: buried surface area.