Table S1.A: A non-redundant structure dataset of transcription factor-nucleic acid complexes.
| PDB_ID | Protein Name | Source Organism | Protein Length | PDB_Chain_ID | Biological assembly | Experimental Methods | Protein Entities | RNA Entities | DNA Entities | Resolution (Å) | Oligomeric State of TF | Oligomeric State of Associated Protein | 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+56 | NFJ:AB | FJN:AB | X-ray | 3 | 2 | 2.7 | Heterodimer | Monomer | 4166 | 2154 | 2012 | - | |
| 1A0A | PROTEIN (PHOSPHATE SYSTEM POSITIVE REGULATORY PROTEIN PHO4) | S. cerevisiae | 63 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.8 | Homodimer | 2740 | 1429 | 1310 | - | ||
| 1AM9 | PROTEIN (STEROL REGULATORY ELEMENT BINDING PROTEIN 1A) | H. sapiens | 82 | ABCD:EFGH | ABCD:EFGH | X-ray | 1 | 2 | 2.3 | Homodimer | 5382 | 2786 | 2596 | - | ||
| 1AN2 | PROTEIN (TRANSCRIPTION FACTOR MAX (TF MAX)) | H. sapiens | 86 | A:B | AA′:BB′ | X-ray | 1 | 1 | 2.9 | Homodimer | 2566 | 1286 | 1280 | - | ||
| 1AN4 | PROTEIN (UPSTREAM STIMULATORY FACTOR) | H. sapiens | 65 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.9 | Homodimer | 2839 | 1438 | 1401 | - | ||
| 1APL | PROTEIN (MAT-ALPHA2 HOMEODOMAIN) | S. cerevisiae | 83 | CD:AB | CD:AB | X-ray | 1 | 2 | 2.7 | Monomer | 3519 | 1856 | 1662 | - | ||
| 1AWC | PROTEIN (GA BINDING PROTEIN ALPHA)+PROTEIN (GA BINDING PROTEIN BETA 1) | M. musculus | 110+153 | AB:DE | AB:DE | X-ray | 2 | 2 | 2.15 | Heterodimer | 1526 | 728 | 798 | - | ||
| 1B01 | TRANSCRIPTIONAL REPRESSOR COPG | S. agalactiae | 45 | AB:EF | ABCD:EFGH | X-ray | 1 | 2 | 2.56 | Homodimer | 1429 | 717 | 712 | - | ||
| 1B3T | PROTEIN (NUCLEAR PROTEIN EBNA1) | E. virus | 147 | AB:CD | AB:CD | X-ray | 1 | 1 | 2.2 | Homodimer | 5243 | 2616 | 2627 | - | ||
| 1B72 | PROTEIN (HOMEOBOX PROTEIN HOX-B1)+PROTEIN (PBX1) | H. sapiens | 87+97 | AB:DE | AB:DE | X-ray | 2 | 2 | 2.35 | Heterodimer | 3304 | 1699 | 1606 | - | ||
| 1BC8 | PROTEIN (SAP-1 ETS DOMAIN) | H. sapiens | 93 | C:AB | C:AB | X-ray | 1 | 2 | 1.93 | Monomer | 1710 | 816 | 894 | - | ||
| 1BF5 | SIGNAL TRANSDUCER AND ACTIVATOR OF TRANSCRIPTION 1-ALPHA/BETA | H. sapiens | 575 | A:BC | AA′:CD | X-ray | 1 | 2 | 2.9 | Homodimer | 3011 | 1511 | 1500 | - | ||
| 1BL0 | PROTEIN (MULTIPLE ANTIBIOTIC RESISTANCE PROTEIN) | E. coli | 129 | A:BC | A:BC | X-ray | 1 | 2 | 2.3 | Monomer | 2407 | 1201 | 1206 | - | ||
| 1BVO | TRANSCRIPTION FACTOR GAMBIF1 | A. gambiae | 175 | A:DE | AA′:D′E | X-ray | 1 | 2 | 2.7 | Monomer | 770 | 427 | 343 | - | ||
| 1CF7 | PROTEIN (TRANSCRIPTION FACTOR DP-2)+PROTEIN (TRANSCRIPTION FACTOR E2F-4) | H. sapiens | 76+95 | AB:CD | AB:CD | X-ray | 2 | 2 | 2.6 | Heterodimer | 2654 | 1367 | 1287 | - | ||
| 1CGP | PROTEIN (CATABOLITE GENE ACTIVATOR PROTEIN (CAP)) | E. coli | 205 | AB:CDEF | AB:CDEF | X-ray | 1 | 2 | 3 | Homodimer | 2964 | 1512 | 1452 | - | ||
| 1CKT | HIGH MOBILITY GROUP 1 PROTEIN | R. norvegicus | 71 | A:BC | A:BC | X-ray | 1 | 2 | 2.5 | Monomer | 1630 | 839 | 791 | - | ||
| 1CMA | PROTEIN (MET REPRESSOR) | E. coli | 104 | AB:CD | ABEF:CDGH | X-ray | 1 | 2 | 2.8 | Homodimer | 1738 | 839 | 899 | - | ||
| 1D66 | PROTEIN (GAL4) | S. cerevisiae | 66 | AB:DE | AB:DE | X-ray | 1 | 2 | 2.7 | Homodimer | 2445 | 1191 | 1254 | - | ||
| 1DDN | DIPHTHERIA TOX REPRESSOR | C. diphtheriae | 226 | ABCD:EF | ABCD:EF | X-ray | 1 | 2 | 3 | Homotetramer | 5678 | 2801 | 2877 | - | ||
| 1DH3 | TRANSCRIPTION FACTOR CREB | M. musculus | 55 | AC:BD | AC:BD | X-ray | 1 | 1 | 3 | Homodimer | 2350 | 1204 | 1145 | - | ||
| 1DP7 | MHC CLASS II TRANSCRIPTION FACTOR HRFX1 | H. sapiens | 76 | P:D | PP':DD' | X-ray | 1 | 1 | 1.5 | Homodimer | 3502 | 1845 | 1657 | - | ||
| 1EFA | LAC REPRESSOR | E. coli | 333 | ABC:DE | AB:DE | X-ray | 1 | 1 | 2.6 | Homodimer | Monomer | 3517 | 1740 | 1777 | - | |
| 1EGW | MADS BOX TRANSCRIPTION ENHANCER FACTOR 2, POLYPEPTIDE A | H. sapiens | 77 | ABCD:EFGH | AB:EF | X-ray | 1 | 2 | 1.5 | Homodimer | 2910 | 1568 | 1343 | - | ||
| 1EXJ | MULTIDRUG-EFFLUX TRANSPORTER REGULATOR | B. subtilis | 278 | A:M | AA′:MM′ | X-ray | 1 | 1 | 3 | Homodimer | 2263 | 1067 | 1196 | - | ||
| 1GD2 | TRANSCRIPTION FACTOR PAP1 | S. pombe | 70 | EFGHIJ:ABCD | EF:AB | X-ray | 1 | 1 | 2 | Homodimer | 2660 | 1401 | 1259 | - | ||
| 1GLU | PROTEIN (GLUCOCORTICOID RECEPTOR) | R. norvegicus | 81 | AB:CD | AB:CD | X-ray | 1 | 1 | 2.9 | Homodimer | 2634 | 1256 | 1378 | - | ||
| 1GT0 | OCTAMER-BINDING TRANSCRIPTION FACTOR 1+TRANSCRIPTION FACTOR SOX-2 | M. musculus | 159+80 | CD:AB | CD:AB | X-ray | 2 | 2 | 2.6 | Heterodimer | 5483 | 2839 | 2644 | - | ||
| 1GXP | PHOSPHATE REGULON TRANSCRIPTIONAL REGULATORY PROTEIN | E. coli | 106 | ABEF:CDGH | AB:CD | X-ray | 1 | 2 | 2.5 | Homodimer | 3435 | 1715 | 1720 | - | ||
| 1H88 | CCAAT/ENHANCER BINDING PROTEIN BETA+MYB PROTO-ONCOGENE PROTEIN | M. musculus | 159+78 | ABC:DE | ABC:DE | X-ray | 2 | 2 | 2.8 | Homodimer | Monomer | 4495 | 2343 | 2153 | - | |
| 1HDD | PROTEIN (ENGRAILED HOMEODOMAIN) | D. melanogaster | 61 | CD:AB | CD:AB | X-ray | 1 | 2 | 2.8 | Homo 2-mer | 2699 | 1357 | 1342 | - | ||
| 1HJB | CCAAT/ENHANCER BINDING PROTEIN BETA+RUNT-RELATED TRANSCRIPTION FACTOR 1 | M. musculus | 123+87 | ABCDEF:GHIJ | ABC:GH | X-ray | 2 | 2 | 3 | Homodimer | Monomer | 3785 | 1974 | 1811 | - | |
| 1HWT | PROTEIN (HEME ACTIVATOR PROTEIN) | S. cerevisiae | 81 | CDGH:ABEF | CD:AB | X-ray | 1 | 2 | 2.5 | Homodimer | 2584 | 1349 | 1235 | - | ||
| 1IC8 | HEPATOCYTE NUCLEAR FACTOR 1-ALPHA | H. sapiens | 194 | AB:EF | AB:EF | X-ray | 1 | 2 | 2.6 | Homo 2-mer | 4929 | 2494 | 2434 | - | ||
| 1IF1 | PROTEIN (INTERFERON REGULATORY FACTOR 1) | M. musculus | 113 | AB:CD | AB:CD | X-ray | 1 | 1 | 3 | Homo 2-mer | 4170 | 1987 | 2183 | - | ||
| 1IGN | PROTEIN (RAP1) | S. cerevisiae | 246 | AB:CDEF | A:CD | X-ray | 1 | 2 | 2.25 | Monomer | 4227 | 2098 | 2129 | - | ||
| 1IHF | PROTEIN (INTEGRATION HOST FACTOR (ALPHA) (IHF))+PROTEIN (INTEGRATION HOST FACTOR (BETA) (IHF)) | E. coli | 94+99 | AB:CDE | AB:CDE | X-ray | 2 | 3 | 2.5 | Heterodimer | 4755 | 2386 | 2369 | - | ||
| 1IO4 | CAAT/ENHANCER BINDING PROTEIN BETA+CORE-BINDING FACTOR, BETA SUBUNIT+RUNT-RELATED TRANSCRIPTION FACTOR 1 | M. musculus | 123+141+78 | ABCD:EF | ABCD:EF | X-ray | 3 | 2 | 3 | Hetero (Homodimer+hetero 2-mer) 4-mer | Monomer | 3842 | 2046 | 1797 | - | |
| 1JE8 | Nitrate/Nitrite Response Regulator Protein NARL | E. coli | 82 | ABEF:CDGH | AB:CD | X-ray | 1 | 1 | 2.12 | Homodimer | 2946 | 1398 | 1547 | - | ||
| 1JFI | TATA-BOX-BINDING PROTEIN (TBP)+Transcription Regulator NC2 alpha chain+Transcription Regulator NC2 beta chain | H. sapiens | 179+185+98 | ABC:DE | ABC:DE | X-ray | 3 | 2 | 2.62 | Hetero 3-mer | 4253 | 2117 | 2136 | - | ||
| 1JMC | PROTEIN (REPLICATION PROTEIN A (RPA)) | H. sapiens | 246 | A:B | A:B | X-ray | 1 | 1 | 2.4 | Monomer | 2184 | 1023 | 1161 | - | ||
| 1JT0 | HYPOTHETICAL TRANSCRIPTIONAL REGULATOR IN QACA 5'REGION | S. aureus | 194 | ABCD:EF | ABCD:EF | X-ray | 1 | 1 | 2.9 | Homo 4-mer | 4888 | 2404 | 2484 | - | ||
| 1KU7 | sigma factor sigA | T. aquaticus | 73 | AD:BC | AD:BC | X-ray | 1 | 2 | 2.4 | Homodimer | 1196 | 621 | 575 | - | ||
| 1L3L | Transcriptional activator protein traR | A. tumefaciens | 234 | ABCD:EFGH | BD:EG | X-ray | 1 | 1 | 1.66 | Homodimer | 2404 | 1182 | 1222 | - | ||
| 1LMB | PROTEIN (LAMBDA REPRESSOR) | E. phage lambda | 92 | 12:34 | 34:12 | X-ray | 1 | 2 | 1.8 | Homodimer | 2904 | 1450 | 1454 | - | ||
| 1LQ1 | Stage 0 sporulation protein A | B. subtilis | 120 | CD:EF | CD:EF | X-ray | 1 | 2 | 2.3 | Homodimer (tandem dimer) | 2382 | 1171 | 1212 | - | ||
| 1MDY | PROTEIN (MYOD BHLH DOMAIN)+PROTEIN (MYOD BHLH DOMAIN) | M. musculus | 62+68 | ABCD:EFGH | AB:EF | X-ray | 2 | 1 | 2.8 | Hetero 2-mer | 2666 | 1389 | 1277 | - | ||
| 1MHD | SMAD3 | H. sapiens | 132 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.8 | Homo 2-mer | 1857 | 962 | 895 | - | ||
| 1MNM | PROTEIN (MAT ALPHA-2 TRANSCRIPTIONAL REPRESSOR)+PROTEIN (MCM1 TRANSCRIPTIONAL REGULATOR) | S. cerevisiae | 100+87 | ABCD:EF | ABCD:EF | X-ray | 2 | 2 | 2.25 | Hetero 4-mer | 6465 | 3231 | 3234 | - | ||
| 1MNN | NDT80 protein | S. cerevisiae | 340 | A:BC | A:BC | X-ray | 1 | 2 | 1.4 | Monomer | 2661 | 1369 | 1292 | - | ||
| 1N6J | Calcineurin-binding protein Cabin 1+Myocyte-specific enhancer factor 2B | H. sapiens | 35+93 | ABG:CD | ABG:CD | X-ray | 2 | 2 | 2.2 | Homodimer | Monomer | 2721 | 1410 | 1311 | - | |
| 1NGM | Transcription factor IIIB BRF1 subunit+Transcription initiation factor TFIID | S. cerevisiae | 180+72 | ABEFIJMN:CDGHKLOP | AB:CD | X-ray | 2 | 2 | 2.95 | Hetero 2-mer | 3121 | 1535 | 1586 | - | ||
| 1NKP | Max protein+Myc proto-oncogene protein | H. sapiens | 83+88 | ABDE:FGHJ | AB:FG | X-ray | 2 | 1 | 1.8 | Heterodimer | 2794 | 1434 | 1360 | - | ||
| 1NLW | MAD PROTEIN+MAX PROTEIN | H. sapiens | 76+80 | ABDE:FGHJ | AB:FG | X-ray | 2 | 1 | 2 | Hetero 2-mer | 2679 | 1377 | 1302 | - | ||
| 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 | ABCD:EF | ABCD:EF | X-ray | 4 | 2 | 2.1 | Hetero 4-mer | 3323 | 1654 | 1668 | - | ||
| 1OCT | PROTEIN (OCT-1 POU DOMAIN) | H. sapiens | 156 | C:AB | C:AB | X-ray | 1 | 2 | 3 | Monomer | 3157 | 1597 | 1560 | - | ||
| 1ODH | MGCM1 | M. musculus | 174 | A:CD | A:CD | X-ray | 1 | 2 | 2.85 | Monomer | 1808 | 921 | 886 | - | ||
| 1P51 | DNA-binding protein HU | N. sp. | 94 | ABCD:EFIH | AB:EF | X-ray | 1 | 1 | 2.5 | Homodimer | 3176 | 1629 | 1547 | - | ||
| 1PAR | PROTEIN (ARC REPRESSOR) | S. phage P22 | 53 | ABCD:EF | ABCD:EF | X-ray | 1 | 2 | 2.6 | Homo 4-mer | 4140 | 2005 | 2134 | - | ||
| 1PDN | PROTEIN (PRD PAIRED) | D. melanogaster | 128 | C:AB | C:AB | X-ray | 1 | 2 | 2.5 | Monomer | 2562 | 1299 | 1263 | - | ||
| 1PNR | PROTEIN (PURINE REPRESSOR) | E. coli | 340 | A:B | AA′:BB′ | X-ray | 1 | 1 | 2.7 | Homodimer | 3596 | 1813 | 1782 | - | ||
| 1PP7 | 39 kDa initiator binding protein | T. vaginalis | 131 | U:EF | U:EF | X-ray | 1 | 2 | 2.45 | Monomer | 1989 | 1017 | 971 | - | ||
| 1PUE | PROTEIN (TRANSCRIPTION FACTOR PU.1 (TF PU.1)) | M. musculus | 89 | EF:ABCD | E:AB | X-ray | 1 | 2 | 2.1 | Monomer | 2018 | 962 | 1056 | - | ||
| 1QPI | PROTEIN (TETRACYCLINE REPRESSOR) | E. coli | 203 | A:MN | AA':MDCN | X-ray | 1 | 2 | 2.5 | Homodimer | 2270 | 1152 | 1118 | - | ||
| 1QRV | HIGH MOBILITY GROUP PROTEIN D | D. melanogaster | 73 | AB:CD | AB:CD | X-ray | 1 | 1 | 2.2 | Homo 2-mer | 2505 | 1301 | 1204 | - | ||
| 1R71 | Transcriptional repressor protein korB | E. coli | 178 | ABCD:EIFJGLHK | AB:EFIJ | X-ray | 1 | 2 | 2.2 | Homo 2-mer | 3734 | 1872 | 1862 | - | ||
| 1R8D | transcription activator MtaN | B. subtilis | 109 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.7 | Homodimer | 3175 | 1535 | 1639 | - | ||
| 1RAM | PROTEIN (TRANSCRIPTION FACTOR NF-KB P65) | M. musculus | 273 | AB:CD | AB:CD | X-ray | 1 | 1 | 2.7 | Homo 2-mer | 2982 | 1458 | 1524 | - | ||
| 1RZR | Glucose-resistance amylase regulator+Phosphocarrier protein HPr | P. megaterium | 332+88 | GCADTLYS:HREB | CGLT:HR | X-ray | 3 | 2 | 2.8 | Hetero 4-mer | 3399 | 1679 | 1721 | - | ||
| 1SAX | Methicillin resistance regulatory protein mecI | S. aureus | 123 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.8 | Homodimer | 3065 | 1541 | 1524 | - | ||
| 1SKN | DNA-BINDING DOMAIN OF SKN-1 | C. elegans | 92 | P:AB | P:AB | X-ray | 1 | 2 | 2.5 | Monomer | 1691 | 866 | 825 | - | ||
| 1SVC | PROTEIN (NUCLEAR FACTOR KAPPA-B (NF-KB)) | H. sapiens | 365 | P:D | PP′:DD′ | X-ray | 1 | 1 | 2.6 | Homodimer | 4062 | 2065 | 1997 | - | ||
| 1T2K | Cyclic-AMP-dependent transcription factor ATF-2+Interferon regulatory factor 3+Transcription factor AP-1 | H. sapiens | 112+61+62 | ABCD:EF | ABCD:EF | X-ray | 3 | 2 | 3 | Hetero (Homodimer+hetero 2-mer) 4Hetero 2-mer | Hetero 2-mer | 6018 | 2966 | 3052 | - | |
| 1TQE | Histone deacetylase 9+Myocyte-specific enhancer factor 2B | M. musculus | 26+93 | PQXRSY:CDEF | PQX:CD | X-ray | 2 | 2 | 2.7 | Hetero 3-mer | 3137 | 1630 | 1507 | - | ||
| 1TRR | PROTEIN (TRP REPRESSOR) | E. coli | 107 | ABDEGHJK:CFIL | ABGH:CI | X-ray | 1 | 1 | 2.4 | Homo 4-mer | 5536 | 2664 | 2872 | - | ||
| 1TTU | lin-12 And Glp-1 transcriptional regulator | C. elegans | 477 | A:BC | A:BC | X-ray | 1 | 2 | 2.85 | Monomer | 2138 | 1082 | 1055 | - | ||
| 1TUP | PROTEIN (P53 TUMOR SUPPRESSOR ) | H. sapiens | 219 | ABC:EF | ABC:EF | X-ray | 1 | 2 | 2.2 | Homo 3-mer | 2057 | 1054 | 1004 | - | ||
| 1U8B | Ada polyprotein | E. coli | 133 | A:BCDE | A:BCDE | X-ray | 1 | 4 | 2.1 | Monomer | 2173 | 1030 | 1143 | - | ||
| 1UUT | REP PROTEIN | A. virus 5 | 197 | AB:CD | A:C | X-ray | 1 | 1 | 2 | Monomer | 728 | 303 | 425 | - | ||
| 1VOL | PROTEIN (TATA BINDING PROTEIN (TBP))+PROTEIN (TRANSCRIPTION FACTOR IIB (TFIIB)) | A. thaliana | 200+204 | AB:CD | AB:CD | X-ray | 2 | 2 | 2.7 | Hetero 2-mer | 3911 | 1895 | 2016 | - | ||
| 1VTN | HNF-3/FORK HEAD DNA-RECOGNITION MOTIF | H. sapiens | 102 | C:AB | C:AB | X-ray | 1 | 2 | 2.5 | Monomer | 2088 | 1055 | 1033 | - | ||
| 1W0T | TELOMERIC REPEAT BINDING FACTOR 1 | H. sapiens | 53 | AB:CD | AB:CD | X-ray | 1 | 2 | 2 | Homo 2-mer | 3121 | 1576 | 1545 | - | ||
| 1XBR | PROTEIN (T PROTEIN) | X. laevis | 184 | AB:CD | AB:CD | X-ray | 1 | 1 | 2.5 | Homodimer | 4169 | 2112 | 2057 | - | ||
| 1XPX | Protein prospero | D. melanogaster | 163 | A:DC | A:CD | X-ray | 1 | 2 | 2.8 | Monomer | 847 | 446 | 401 | - | ||
| 1YRN | PROTEIN (MAT A1 HOMEODOMAIN)+PROTEIN (MAT ALPHA2 HOMEODOMAIN) | S. cerevisiae | 61+83 | AB:CD | AB:CD | X-ray | 2 | 2 | 2.5 | Hetero 2-mer | 3360 | 1778 | 1582 | - | ||
| 1YSA | PROTEIN (GCN4) | S. cerevisiae | 58 | CD:AB | CD:AB | X-ray | 1 | 2 | 2.9 | Homo 2-mer | 2258 | 1172 | 1086 | - | ||
| 1YTB | PROTEIN (TATA BINDING PROTEIN (TBP)) | S. cerevisiae | 180 | AB:CD | A:C | X-ray | 1 | 1 | 1.8 | Monomer | 2985 | 1486 | 1499 | - | ||
| 1YTF | PROTEIN (TATA BINDING PROTEIN (TBP))+PROTEIN (TRANSCRIPTION FACTOR IIA - TOA1C SUBUNIT)+PROTEIN (TRANSCRIPTION FACTOR IIA - TOA1N SUBUNIT)+PROTEIN (TRANSCRIPTION FACTOR IIA - TOA2 SUBUNIT) | S. cerevisiae | 121+180+53+79 | ABCD:EF | ABCD:EF | X-ray | 4 | 2 | 2.5 | Hetero 4-mer | 3294 | 1645 | 1649 | - | ||
| 1Z9C | PROTEIN (ZIF268) | B. subtilis | 87 | ABCDEF:GHIJKL | AB:GH | X-ray | 1 | 2 | 2.64 | Homodier | 4126 | 2019 | 2107 | - | ||
| 1ZAA | PROLINE UTILIZATION TRANSCRIPTION ACTIVATOR | M. musculus | 70 | C:AB | C:AB | X-ray | 1 | 2 | 2.1 | Monomer | 2599 | 1393 | 1206 | - | ||
| 1ZME | PROLINE UTILIZATION TRANSCRIPTION ACTIVATOR | S. cerevisiae | 70 | CD:AB | CD:AB | X-ray | 1 | 2 | 2.5 | Homodimer | 2636 | 1310 | 1326 | - | ||
| 2A07 | Forkhead box protein P2 | H. sapiens | 93 | FGHIJK:ABCD | FGHIJK:ABCD | X-ray | 1 | 2 | 1.9 | Homo 6-mer | 5717 | 2772 | 2945 | - | ||
| 2BNW | ORF OMEGA | S. pyogenes | 53 | ABCD:EFGH | ABCD:EFGH | X-ray | 1 | 2 | 2.45 | Homodimer | 2926 | 1433 | 1493 | - | ||
| 2BOP | PROTEIN (E2) | B. papillomavirus type 1 | 85 | A:B | AA′:BB′ | X-ray | 1 | 1.7 | Homodimer | 692 | 355 | 336 | - | |||
| 2BSQ | TRAFFICKING PROTEIN A+TRAFFICKING PROTEIN B | N. gonorrhoeae | 146+77 | ABCDEFGH:IJ | ABCDEFGH:IJ | X-ray | 2 | 2 | 3 | Hetero 8-mer | 3305 | 1646 | 1658 | - | ||
| 2C62 | ACTIVATED RNA POLYMERASE II TRANSCRIPTIONAL COACTIVATOR P15 | H. sapiens | 66 | AB:C | AB:C | X-ray | 1 | 1 | 1.74 | Homo 2-mer | 3029 | 1458 | 1571 | - | ||
| 2C9L | BZLF1 TRANS-ACTIVATOR PROTEIN | E. virus | 63 | YZ:AB | YZ:AB | X-ray | 1 | 2 | 2.25 | Homodimer | 2337 | 1181 | 1156 | - | ||
| 2D5V | Hepatocyte nuclear factor 6 | R. norvegicus | 164 | AB:CDEF | A:CD | X-ray | 1 | 2 | 2 | Monomer | 2741 | 1380 | 1361 | - | ||
| 2E1C | Putative HTH-type transcriptional regulator PH1519 | P. horikoshii | 171 | A:BD | AC:BD | X-ray | 1 | 2 | 2.1 | Homodimer | 1030 | 523 | 507 | - | ||
| 2ER8 | Regulatory protein LEU3 | S. cerevisiae | 72 | ABCD:EFGH | AB:EF | X-ray | 1 | 1 | 2.85 | Homodimer | 2794 | 1384 | 1410 | - | ||
| 2ES2 | Cold shock protein cspB | B. subtilis | 67 | A:B | A:B | X-ray | 1 | 1 | 1.78 | Monomer | 903 | 432 | 471 | - | ||
| 2GLI | PROTEIN (FIVE-FINGER GLI) | H. sapiens | 155 | A:CD | A:CD | X-ray | 1 | 2 | 2.6 | Monomer | 3121 | 1585 | 1537 | - | ||
| 2H27 | RNA polymerase Sigma E factor | E. coli | 73 | AD:BCEF | A:BC | X-ray | 1 | 2 | 2.3 | Homodimer | 1395 | 721 | 674 | - | ||
| 2NLL | PROTEIN (RETINOIC ACID RECEPTOR)+PROTEIN (THYROID HORMONE RECEPTOR) | H. sapiens | 103+66 | AB:CD | AB:CD | X-ray | 2 | 2 | 1.9 | Hetero 2-mer | 3206 | 1574 | 1632 | - | ||
| 2O49 | DNA-binding protein SATB1 | H. sapiens | 93 | A:BC | A:BC | X-ray | 1 | 2 | 2 | Monomer | 1108 | 557 | 552 | - | ||
| 2OR1 | 434 REPRESSOR | E. phage 434 | 69 | LR:AB | LR:AB | X-ray | 1 | 2 | 2.5 | Homodimer | 2772 | 1367 | 1405 | - | ||
| 2P5L | Arginine repressor | B. subtilis | 64 | CDGH:ABEF | CD:AB | X-ray | 1 | 2 | 2.85 | Homodimer | 2614 | 1296 | 1318 | - | ||
| 2QL2 | Neurogenic differentiation factor 1 | M. musculus | 60 | ABCD:EFGH | AB:EF | X-ray | 2 | 2 | 2.5 | Hetreodimer | 2165 | 1102 | 1063 | - | ||
| 2R1J | Repressor protein C2 | S. phage P22 | 68 | LR:BA | LR:AB | X-ray | 1 | 2 | 1.53 | Homodimer | 2654 | 1254 | 1400 | - | ||
| 2RBF | Bifunctional protein putA | E. coli | 54 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.25 | Homodimer | 1598 | 806 | 792 | - | ||
| 2UZK | FORKHEAD BOX PROTEIN O3A | H. sapiens | 97 | AC:BDEF | A:BE | X-ray | 1 | 2 | 2.7 | Monomer | 1961 | 980 | 981 | - | ||
| 2VY1 | PROTEIN LEAFY | A. thaliana | 194 | A:W | AB:WC | X-ray | 1 | 1 | 2.1 | Homodimer | 3404 | 1684 | 1720 | - | ||
| 2W7N | TRFB TRANSCRIPTIONAL REPRESSOR PROTEIN | E. coli | 101 | AB:EFGH | AB:EFGH | X-ray | 1 | 2 | 1.85 | Homodimer | 2999 | 1549 | 1450 | - | ||
| 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 | ABCD:EF | ABCD:EF | X-ray | 4 | 2 | 2.8 | Hetero 4-mer | 2239 | 1136 | 1103 | - | ||
| 2YVH | Transcriptional regulator | C. glutamicum | 177 | ABCD:EFGH | ABCD:EFGH | X-ray | 1 | 2 | 2.5 | Homodimer | 4985 | 2536 | 2449 | - | ||
| 2ZHG | Redox-sensitive transcriptional activator soxR | E. coli | 154 | A:B | AC:BD | X-ray | 1 | 1 | 2.8 | Homodimer | 2268 | 1020 | 1248 | - | ||
| 3A5T | Transcription factor MafG | M. musculus | 107 | AB:CD | AB:CD | X-ray | 1 | 2.8 | Homodimer | 2596 | 1343 | 1253 | - | |||
| 3BRD | Lin-12 and glp-1 phenotype protein 1, isoform a+Protein lin-12 | C. elegans | 29+477 | AD:BC | A:BC | X-ray | 2 | 2 | 2.21 | Hetero 2-mer | 2024 | 1040 | 984 | - | ||
| 3BS1 | Accessory gene regulator protein A | S. aureus | 103 | A:BC | A:BC | X-ray | 1 | 1.6 | Monomer | 1547 | 779 | 768 | - | |||
| 3CLC | Regulatory protein | E. sp. RFL1396 | 82 | ABCD:EF | ABCD:EF | X-ray | 1 | 2 | 2.8 | Homodimer | 5270 | 2638 | 2632 | - | ||
| 3D2W | TAR DNA-binding protein 43 | M. musculus | 89 | A:B | AA′:BB′ | X-ray | 1 | 1 | 1.65 | Homodimer | 2643 | 1291 | 1352 | - | ||
| 3DFX | Trans-acting T-cell-specific transcription factor GATA-3 | M. musculus | 63 | AB:XY | AB:XY | X-ray | 1 | 2 | 2.7 | Homo 4-mer | 3545 | 1792 | 1753 | - | ||
| 3DNV | HTH-type transcriptional regulator hipB+Protein hipA | E. coli | 440+88 | AB:T | AA′BB′:TT′ | X-ray | 2 | 2.68 | Homodimer | 2825 | 1397 | 1428 | - | |||
| 3E6C | Cyclic nucleotide-binding protein | D. hafniense | 250 | C:BA | CF:ABDE | X-ray | 1 | 2 | 1.8 | Homodimer | 1353 | 653 | 700 | - | ||
| 3EYI | Z-DNA-binding protein 1 | H. sapiens | 72 | AB:CD | AB:CD | X-ray | 1 | 1 | 1.45 | Homo 2-mer | 1463 | 720 | 743 | - | ||
| 3FDQ | Motility gene repressor mogR | L. monocytogenes serovar 1/2a | 170 | AB:CD | AB:CD | X-ray | 1 | 2 | 1.75 | Homodimer | 4165 | 2211 | 1954 | - | ||
| 3GFI | 146aa long hypothetical transcriptional regulator | S. tokodaii | 146 | AC:DE | AC:DE | X-ray | 1 | 2 | 2.1 | Homodimer | 742 | 379 | 364 | - | ||
| 3GNA | V(D)J recombination-activating protein 1 | M. musculus | 96 | A:DE | AA′:DD′EE′ | X-ray | 1 | 2 | 2.4 | Homodimer | 1602 | 838 | 764 | - | ||
| 3GXQ | Putative regulator of transfer genes ArtA | S. aureus | 54 | AB:CD | AB:CD | X-ray | 1 | 2.35 | Homodimer | 1614 | 763 | 851 | - | |||
| 3GZ6 | MutT/nudix family protein | S. oneidensis | 240 | AB:DC | AB:CD | X-ray | 1 | 2.9 | Homodimer | 4338 | 2307 | 2031 | - | |||
| 3H0D | CtsR | G. stearothermophilus | 155 | AB:DC | AB:CD | X-ray | 1 | 2.4 | Homodimer | 3811 | 1925 | 1886 | - | |||
| 3HTS | HEAT SHOCK TRANSCRIPTION FACTOR | K. lactis | 102 | B:A | BB′:AA′ | X-ray | 1 | 1 | 1.75 | Homodimer | 2362 | 1165 | 1197 | - | ||
| 3IGM | PF14_0633 protein | P. falciparum | 77 | BA:WXCD | AB:CDWX | X-ray | 1 | 1 | 2.2 | Homodimer | 2971 | 1474 | 1498 | - | ||
| 3IKT | Redox-sensing transcriptional repressor rex | T. thermophilus | 207 | AB:CD | AB:CD | X-ray | 1 | 1 | 2.26 | Homodimer | 3339 | 1684 | 1655 | - | ||
| 3IV5 | DNA-binding protein fis | E. coli | 98 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.9 | Homodimer | 1957 | 1023 | 934 | - | ||
| 3JSO | LexA repressor | E. coli | 202 | AB:CD | AB:CD | X-ray | 1 | 1 | 2.29 | Homodimer | 3513 | 1618 | 1894 | - | ||
| 3KET | Redox-sensing transcriptional repressor rex | S. agalactiae serotype III | 212 | A:BC | AA′:BB′ | X-ray | 1 | 2 | 2.4 | Homodimer | 1877 | 955 | 922 | - | ||
| 3LSP | DesT | P. aeruginosa | 220 | A:BD | AA′:BB′ | X-ray | 1 | 2 | 2.66 | Homodimer | 3041 | 1554 | 1487 | - | ||
| 3MLN | Transcription factor COE1 | M. musculus | 224 | ABE:CD | AB:CD | X-ray | 1 | 1 | 2.4 | Homodimer | 5095 | 2632 | 2463 | - | ||
| 3MZH | PROBABLE TRANSCRIPTIONAL REGULATORY PROTEIN (PROBABLY CRP/FNR-FAMILY) | M. tuberculosis | 225 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.9 | Homo 2-mer | 2389 | 1191 | 1198 | - | ||
| 3N4M | Catabolite gene activator+DNA-directed RNA polymerase subunit alpha | E. coli | 209+84 | ABC:DE | ABCFGH:DEIJ | X-ray | 2 | 2 | 2.99 | Hetero 6-mer | 2910 | 1389 | 1520 | - | ||
| 3N7Q | Transcription termination factor, mitochondrial | H. sapiens | 310 | A:BC | A:BC | X-ray | 1 | 2 | 2.4 | Monomer | 1261 | 639 | 622 | - | ||
| 3O9X | Uncharacterized HTH-type transcriptional regulator ygiT | E. coli | 133 | AB:FE | AB:EF | X-ray | 1 | 2 | 2.1 | Homodimer | 3059 | 1488 | 1571 | - | ||
| 3ON0 | Protein traM | E. coli | 127 | ABCD:P | AA′BB′CC′DD′:PP′ | X-ray | 1 | 1 | 2.87 | Homotetramer | 4680 | 2370 | 2311 | - | ||
| 3Q5F | Transcriptional regulator slyA | S. typhimurium | 147 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.96 | Homodimer | 4205 | 2110 | 2095 | - | ||
| 3QMB | CpG-binding protein | H. sapiens | 79 | A:BC | A:BC | X-ray | 1 | 1 | 2.06 | Monomer | 1244 | 656 | 587 | - | ||
| 3RN2 | Interferon-inducible protein AIM2 | H. sapiens | 208 | AB:KL | AB:KL | X-ray | 1 | 1 | 2.55 | Homo 2-mer | 2089 | 986 | 1103 | - | ||
| 3TQ6 | Transcription factor A, mitochondrial | H. sapiens | 214 | AB:CDEF | A:CD | X-ray | 1 | 2 | 2.45 | Monomer | 5353 | 2723 | 2630 | - | ||
| 3U3W | C-terminus heptapeptide from PapR protein+Transcriptional activator PlcR protein | B. thuringiensis | 293+7 | ABPQ:YZ | AB:YZ | X-ray | 2 | 2 | 2.4 | Homodimer | 2576 | 1292 | 1283 | - | ||
| 3UGM | TAL effector AvrBs3/PthA | X. oryzae pv. oryzae | 1047 | A:BC | A:BC | X-ray | 1 | 2 | 3 | Monomer | 6201 | 2884 | 3317 | - | ||
| 3UGO | RNA polymerase sigma factor | T. aquaticus | 245 | A:B | A:B | X-ray | 1 | 1 | 2.1 | Monomer | 1882 | 882 | 999 | - | ||
| 3UK3 | Zinc finger protein 217 | H. sapiens | 57 | CD:AB | CD:AB | X-ray | 1 | 2 | 2.1 | Homo 2-mer | 3193 | 1667 | 1526 | - | ||
| 3VOK | Transcriptional regulator | L. lactis subsp. lactis | 189 | A:U | AA′:UU′ | X-ray | 1 | 1 | 2 | Homodimer | 1993 | 1000 | 993 | - | ||
| 3VWB | Virulence regulon transcriptional activator virB | S. flexneri | 143 | A:CB | A:BC | X-ray | 1 | 2 | 2.42 | Monomer | 1432 | 731 | 701 | - | ||
| 3W6V | AdpA | S. griseus | 147 | A:BC | A:BC | X-ray | 1 | 2 | 2.95 | Monomer | 1545 | 752 | 793 | - | ||
| 3ZHM | CI | L. phage TP901-1 | 79 | A:BC | A:BC | X-ray | 1 | 2 | 2.6 | Monomer | 1329 | 639 | 690 | - | ||
| 3ZKC | HTH-TYPE TRANSCRIPTIONAL REGULATOR SINR | B. subtilis | 111 | AB:CD | AB:CD | X-ray | 1 | 2 | 3 | Homodimer | 2675 | 1336 | 1339 | - | ||
| 3ZPL | PUTATIVE MARR-FAMILY TRANSCRIPTIONAL REPRESSOR | S. coelicolor | 177 | ABEF:CDGH | AB:CD | X-ray | 1 | 1 | 2.8 | Homodimer | 3862 | 1894 | 1968 | - | ||
| 3ZQL | PUTATIVE REPRESSOR SIMREG2 | S. antibioticus | 267 | ABCD:EFGH | CD:GH | X-ray | 1 | 2 | 2.99 | Homodimer | 2674 | 1349 | 1325 | - | ||
| 3ZVK | ANTITOXIN OF TOXIN-ANTITOXIN SYSTEM VAPB+TOXIN OF TOXIN-ANTITOXIN SYSTEM | R. felis | 134+78 | ABCDEFGH:XY | ABCDEFGH:XY | X-ray | 2 | 2 | 2.5 | Hetero 8-mer | 3736 | 1874 | 1862 | - | ||
| 4EGY | Arabinose metabolism transcriptional repressor | B. subtilis | 88 | AB:TU | AB:TU | X-ray | 1 | 2 | 2.3 | Monomer | 3650 | 1890 | 1760 | - | ||
| 4F6M | Transcriptional regulator Kaiso | H. sapiens | 133 | A:DE | A:DE | X-ray | 1 | 2.4 | Monomer | 2706 | 1390 | 1315 | - | |||
| 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 | ABCDEFKLMNOP:GHQR | ABCDEF:GH | X-ray | 5 | 2 | 2.9 | Hetero 6-mer | 6507 | 3096 | 3410 | - | ||
| 4G92 | HAPB protein+HapE+Transcription factor HapC (Eurofung) | E. nidulans | 119+64+92 | ABC:DE | ABC:DE | X-ray | 3 | 2 | 1.8 | Hetero 3-mer | 3647 | 1783 | 1864 | - | ||
| 4H10 | Polymerase cofactor VP35 | H. sapiens | 146 | AB:CD | AB:CD | X-ray | 2 | 2 | 2.4 | Heterodimer | 2406 | 1270 | 1137 | - | ||
| 4HF1 | Aryl hydrocarbon receptor nuclear translocator-like protein 1+Circadian locomoter output cycles protein kaput | E. coli | 71+73 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.22 | Homodimer | 3790 | 1886 | 1904 | - | ||
| 4HLY | K9 | H. herpesvirus 8 type P | 132 | AB:CD | AB:CD | X-ray | 1 | 1 | 1.48 | Homo 2-mer | 938 | 463 | 474 | - | ||
| 4HQE | Transcriptional regulator QsrR | S. aureus | 115 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.3 | Homodimer | 2483 | 1215 | 1268 | - | ||
| 4HQU | Platelet-derived growth factor subunit B | H. sapiens | 109 | A:C | AB:CD | X-ray | 1 | 1 | 2.2 | Homodimer | 314 | 132 | 182 | - | ||
| 4I2O | FixK2 protein | B. japonicum | 243 | AB:WX | AB:WX | X-ray | 1 | 2 | 1.77 | Homodimer | 2546 | 1240 | 1307 | - | ||
| 4IHT | HTH-type transcriptional regulator BenM | A. baylyi | 94 | ABCD:EFGH | AB:EF | X-ray | 1 | 3 | Homodimer | 3408 | 1722 | 1686 | - | |||
| 4IQR | Hepatocyte nuclear factor 4-alpha+Nuclear receptor coactivator 2 | H. sapiens | 13+338 | ABEFIJKL:CDGH | AB:CD | X-ray | 2 | 2 | 2.9 | Homodimer | 3434 | 1653 | 1780 | - | ||
| 4IZZ | Transcription Factor HetR | F. thermalis PCC 7521 | 302 | AB:CD | AB:CD | X-ray | 1 | 1 | 2.5 | Homodimer | 2957 | 1463 | 1494 | - | ||
| 4J19 | Homeobox-containing protein 1 | H. sapiens | 113 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.9 | Monomer | 3165 | 1661 | 1504 | - | ||
| 4J2X | Four and a half LIM domains protein 1+Recombining binding protein suppressor of hairless | M. musculus | 28+427 | ABCD:EFGH | AB:GH | X-ray | 2 | 2 | 2.85 | Monomer | 2203 | 1117 | 1086 | - | ||
| 4JCX | Csp231I C protein | C. sp. RFL231 | 98 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.3 | Homodimer | 2735 | 1365 | 1370 | - | ||
| 4JL3 | Transcriptional regulator, TetR family | M. smegmatis | 196 | ABCD:EF | ABCD:EF | X-ray | 1 | 2 | 2.5 | Homodimer | 5703 | 2900 | 2803 | - | ||
| 4KFC | KDP operon transcriptional regulatory protein KdpE | E. coli | 227 | AB:YZ | AB:YZ | X-ray | 1 | 2 | 2.53 | Homodimer | 2985 | 1422 | 1564 | - | ||
| 4L62 | Transcriptional regulator | P. aeruginosa | 190 | ABCDEFGHIJKLMNOP:QRSTUVWX | ABCD:QR | X-ray | 1 | 2 | 2.9 | Homodimer | 4339 | 2204 | 2135 | - | ||
| 4LDX | Auxin response factor 1 | A. thaliana | 363 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.9 | Homodimer | 3550 | 1810 | 1740 | - | ||
| 4LLN | MepR | S. aureus | 140 | ABCDIJ:GHEFKL | AB:GH | X-ray | 1 | 1 | 2.84 | Homodimer | 4025 | 1951 | 2075 | - | ||
| 4LMG | Iron-regulated transcriptional activator AFT2 | S. cerevisiae | 157 | ABCD:EFGH | AD:GH | X-ray | 1 | 2 | 2.2 | Monomer | 2919 | 1426 | 1493 | - | ||
| 4LUP | RNA polymerase sigma factor | E. coli | 106 | AC:BD | A:B | X-ray | 1 | 1 | 1.2 | Monomer | 1288 | 590 | 698 | - | ||
| 4M8B | YHR177W | S. cerevisiae | 202 | R:AB | R:AB | X-ray | 1 | 2 | 2.61 | Monomer | 2162 | 1094 | 1068 | - | ||
| 4MTD | Zinc uptake regulation protein | E. coli | 171 | ABCD:YZ | ABCD:YZ | X-ray | 1 | 2 | 2.5 | Homodimer | 5978 | 2968 | 3010 | - | ||
| 4NHJ | DNA-binding transcriptional regulator RstA | K. pneumoniae subsp. pneumoniae | 119 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.7 | Homodimer | 3236 | 1670 | 1566 | - | ||
| 4ON0 | NolR | R. fredii | 118 | ABCD:EGFH | AB:EF | X-ray | 1 | 2 | 3 | Homodimer | 2982 | 1489 | 1492 | - | ||
| 4PZI | Histone-lysine N-methyltransferase 2B | H. sapiens | 67 | A:BC | A:BC | X-ray | 1 | 1 | 2.15 | Monomer | 1705 | 877 | 827 | - | ||
| 4QTJ | White-opaque regulator 1 | C. albicans | 274 | A:BC | A:BC | X-ray | 1 | 2 | 2.1 | Monomer | 1513 | 768 | 745 | - | ||
| 4R22 | HTH-type transcriptional regulator TnrA | P. megaterium | 82 | B:G | BB′:GG′ | X-ray | 1 | 1 | 2.6 | Homodimer | 3016 | 1440 | 1577 | - | ||
| 4RB1 | DNA-binding transcriptional dual regulator of siderophore biosynthesis and transport(Fur family) | M. gryphiswaldense | 145 | AB:D | ABCE:DF | X-ray | 1 | 1 | 2.75 | Homodimer | 5590 | 2829 | 2761 | - | ||
| 4ROC | TATA-box-binding protein+Transcription factor IIIB 50 kDa subunit | H. sapiens | 183+360 | AB:NT | AB:NT | X-ray | 2 | 2 | 1.9 | Hetero dimer | 4919 | 2401 | 2518 | - | ||
| 4UX5 | TRANSCRIPTION FACTOR MBP1 | P. oryzae | 136 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.4 | Monomer | 2883 | 1448 | 1436 | - | ||
| 4WLS | HTH-type transcriptional regulator CueR | E. coli | 128 | AB:XYUV | AB:XY | X-ray | 1 | 4 | 2.11 | Homodimer | 2864 | 1400 | 1465 | - | ||
| 4WU4 | Response regulator receiver domain protein | NA | 68 | AB:GH | AB:GH | X-ray | 1 | 2 | 2.3 | Homodimer | 2159 | 1048 | 1112 | - | ||
| 4XRM | Homeobox protein Meis2 | H. sapiens | 64 | AB:ML | AB:LM | X-ray | 1 | 2 | 1.6 | Monomer | 2469 | 1269 | 1199 | - | ||
| 4Y00 | TAR DNA-binding protein 43 | H. sapiens | 103 | ABCD:EFGH | A:E | X-ray | 1 | 1 | 3 | Monomer | 1455 | 663 | 792 | - | ||
| 4Z3C | Methylcytosine dioxygenase | H. sapiens | 52 | C:AB | C:AB | X-ray | 1 | 1 | 1.57 | Monomer | 1349 | 702 | 647 | - | ||
| 5D23 | Fibroin-modulator-binding protein-1 | B. mori | 102 | A:B | A:B | X-ray | 1 | 1 | 1.95 | Monomer | 2412 | 1263 | 1149 | - | ||
| 5D8C | MerR family regulator protein | H. influenzae | 137 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.25 | Homodimer | 2618 | 1257 | 1361 | - | ||
| 5DY0 | TetR family transcriptional regulator | C. glutamicum | 230 | ABCD:EFGH | AB:EF | X-ray | 1 | 1 | 3 | Homodimer | 3308 | 1674 | 1634 | - | ||
| 5EG6 | Recombining binding protein suppressor of hairless+hRITA | M. musculus | 16+422 | CR:BA | CR:AB | X-ray | 2 | 2 | 2.09 | Hetero 2-mer | 1421 | 709 | 712 | - | ||
| 5EYB | DNA-binding protein reb1 | S. pombe | 362 | AB:CDEF | A:CD | X-ray | 1 | 2 | 2.7 | Monomer | 4476 | 2183 | 2294 | - | ||
| 5F7Q | Lmo0178 protein | L. monocytogenes serovar 1/2a | 407 | CEJL:FK | CEJL:FK | X-ray | 1 | 2 | 2.4 | Homodimer | 9054 | 4692 | 4361 | - | ||
| 5FD3 | Protein lin-54 homolog | H. sapiens | 135 | AB:CDHI | A:HI | X-ray | 1 | 2 | 2.42 | Monomer | 1971 | 927 | 1043 | - | ||
| 5FMP | HTH-TYPE TRANSCRIPTIONAL REPRESSOR KSTR | M. tuberculosis | 205 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.26 | Homodimer | 2283 | 1129 | 1155 | - | ||
| 5GNJ | Transcription factor MYC2 | A. thaliana | 89 | GIABEFMN:KLCDHJOP | GI:KL | X-ray | 1 | 2 | 2.7 | Homodimer | 2156 | 1122 | 1034 | - | ||
| 5GPC | Transcriptional regulator (TetR/AcrR family) | H. halodurans | 194 | ABCD:GE | ABCD:GE | X-ray | 1 | 2 | 2.8 | Homodimer | 4359 | 2127 | 2232 | - | ||
| 5GZB | Transcriptional enhancer factor TEF-3 | H. sapiens | 107 | A:BC | A:BC | X-ray | 1 | 2 | 2.7 | Monomer | 2061 | 1057 | 1005 | - | ||
| 5H3R | Multiple antibiotic resistance protein MarR | E. coli | 147 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.67 | Homodimer | 3489 | 1741 | 1748 | - | ||
| 5HLG | MarR family transcriptional regulator | S. epidermidis | 148 | ABCDEFGH:IJKLMNOP | AB:IJ | X-ray | 1 | 1 | 3 | Homodimer | 3944 | 1944 | 2000 | - | ||
| 5HSO | Uncharacterized HTH-type transcriptional regulator Rv2887 | M. tuberculosis | 160 | ABCD:EF | ABCD:EF | X-ray | 1 | 2 | 2.5 | Homodimer | 1736 | 882 | 854 | - | ||
| 5I44 | Chromosome-anchoring protein RacA | B. subtilis | 69 | BADEGFHIJK:UTZRPW | ABDE:UW | X-ray | 1 | 1 | 2.62 | Homodimer | 4158 | 2082 | 2076 | - | ||
| 5J2Y | Regulatory protein | P. aeruginosa | 80 | AB:FR | A:F | X-ray | 1 | 2 | 2.4 | Monomer | 645 | 328 | 317 | - | ||
| 5J3E | Thymocyte nuclear protein 1 | H. sapiens | 225 | AB:CDEF | A:EF | X-ray | 1 | 1 | 2.6 | Monomer | 1069 | 519 | 551 | - | ||
| 5JGH | ARS-binding factor 2, mitochondrial | S. cerevisiae | 163 | ADGJ:BCEFHIKL | AD:BCEF | X-ray | 1 | 2 | 2.6 | Monomer | 8913 | 4548 | 4365 | - | ||
| 5JLT | Middle transcription regulatory protein motA | E. phage T4 | 125 | ABCD:EFGH | A:EF | X-ray | 1 | 2 | 2.96 | Monomer | 2025 | 1030 | 995 | - | ||
| 5JUB | ComS+Transcriptional regulator | S. thermophilus | 310+8 | ABCD:XZ | AB:XZ | X-ray | 2 | 2 | 2.57 | Homodimer | 2275 | 1092 | 1182 | - | ||
| 5K5Q | AspA | S. sp. NOB8H2 | 92 | CDABEF:PN | ABCDEF:NP | X-ray | 1 | 2 | 2.65 | Homodimer | 8897 | 4488 | 4410 | - | ||
| 5K7Z | Transcriptional regulator, TetR family | M. xanthus | 231 | ABCD:EF | AB:EF | X-ray | 1 | 1 | 2.92 | Homodimer | 2313 | 1151 | 1161 | - | ||
| 5LEJ | Listeriolysin regulatory protein | L. monocytogenes serovar 1/2a | 237 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.7 | Homodimer | 2735 | 1345 | 1390 | - | ||
| 5LXU | Transcription factor LUX | A. thaliana | 57 | A:UB | A:BU | X-ray | 1 | 2 | 2.14 | Monomer | 1363 | 682 | 681 | - | ||
| 5MHJ | Major viral transcription factor ICP4 | H. herpesvirus 1 | 201 | AB:EF | AB:EF | X-ray | 1 | 2 | 2.12 | Homodimer | 1630 | 862 | 768 | - | ||
| 5MPF | Grainyhead-like protein 1 homolog | H. sapiens | 238 | AB:EF | AB:EF | X-ray | 1 | 1 | 2.92 | Homodimer | 2595 | 1364 | 1231 | - | ||
| 5OND | Transcription antitermination protein RfaH | E. coli | 162 | AB:CD | A:C | X-ray | 1 | 1 | 2.1 | Monomer | 863 | 376 | 487 | - | ||
| 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 | JABCDEFT:OP | ABCDEFJT:OP | X-ray | 7 | 2 | 2.76 | Hetero 9-mer | 4923 | 2400 | 2523 | - | ||
| 5VL9 | Regulatory protein TetR | E. lignolyticus | 192 | ABCD:EFGH | AB:EFGH | X-ray | 1 | 2 | 2.16 | Homodimer | 2471 | 1277 | 1194 | - | ||
| 5WX9 | Ethylene-responsive transcription factor ERF096 | A. thaliana | 131 | A:BC | A:BC | X-ray | 1 | 2 | 1.76 | Monomer | 2612 | 1357 | 1256 | - | ||
| 5X11 | Transcriptional regulator | B. spizizenii | 188 | ABCDEFGH:IJMN | AB:IJ | X-ray | 1 | 2 | 2.65 | Homodimer | 4222 | 2121 | 2101 | - | ||
| 5X5L | AdeR | A. baumannii | 109 | ABEHMN:CDFG | ABEHMN:CDFG | X-ray | 1 | 2 | 2.75 | Homodimer | 7244 | 3563 | 3680 | - | ||
| 5XFP | PHD finger protein 1 | H. sapiens | 336 | ABE:CD | B:CD | X-ray | 1 | 1 | 2.3 | Monomer | 1011 | 526 | 485 | - | ||
| 5XFQ | PHD finger protein 1+Peptide from Histone H3 | M. musculus | 13+336 | ABEF:CD | AB:CD | X-ray | 2 | 1 | 2.4 | homo 2-mer | 994 | 505 | 489 | - | ||
| 5XSK | Hepatoma-derived growth factor | R. norvegicus | 120 | AB:DF | AB:DF | X-ray | 1 | 2 | 2.84 | Homodimer | 720 | 335 | 385 | - | ||
| 5YEJ | TetR family transcriptional regulator | M. smegmatis | 232 | ABC:DFG | BC:DF | X-ray | 1 | 2 | 2.7 | Homodimer | 2863 | 1407 | 1456 | - | ||
| 5YI2 | Zinc transport transcriptional regulator | L. lactis subsp. lactis | 146 | ABEFIJMN:CGKODPLH | AB:CD | X-ray | 1 | 1 | 2.6 | Homodimer | 2596 | 1310 | 1286 | - | ||
| 5ZD4 | Maltose-binding periplasmic protein,Protein BRASSINAZOLE-RESISTANT 1 | A. thaliana | 453 | CDAB:GHEF | CD:GH | X-ray | 1 | 1 | 2.17 | Homodimer | 3065 | 1560 | 1505 | - | ||
| 6ASB | F-box/LRR-repeat protein 19 | H. sapiens | 123 | CFIL:ABDEGHJK | A:BC | X-ray | 1 | 1 | 2.85 | Monomer | 1707 | 888 | 820 | - | ||
| 6C2S | Transcriptional regulator, MarR family | R. palustris | 186 | ABCD:UVXY | AD:UV | X-ray | 1 | 2 | 2.85 | Homodimer | 3000 | 1511 | 1490 | - | ||
| 6C31 | TetR family transcriptional regulator | M. tuberculosis | 214 | ABCDEFGH:IJKL | ABCD:KL | X-ray | 1 | 2 | 3 | Homodimer | 5553 | 2752 | 2802 | - | ||
| 6CG8 | UPF0335 protein B7Z12_12435 | C. vibrioides | 78 | ABDE:CF | ABDE:CF | X-ray | 1 | 2 | 2.3 | Homodimer | 1395 | 684 | 711 | - | ||
| 6CHV | Antitoxin HigA | P. vulgaris | 121 | ACBDGH:IJEFKL | AC:IJ | X-ray | 1 | 2 | 2.9 | Homodimer | 2582 | 1288 | 1294 | - | ||
| 6CRO | LAMBDA CRO REPRESSOR | E. phage lambda | 60 | A:RU | AB:RUCD | X-ray | 1 | 2 | 3 | Homodimer | 1397 | 735 | 661 | - | ||
| 6EL8 | Forkhead box protein N1 | H. sapiens | 99 | AD:BCEF | A:BC | X-ray | 1 | 2 | 1.61 | Monomer | 1481 | 755 | 726 | - | ||
| 6FAS | B3 domain-containing transcription repressor VAL1 | A. thaliana | 119 | AB:CDEF | A:CD | X-ray | 1 | 2 | 1.9 | Monomer | 1386 | 691 | 695 | - | ||
| 6FN0 | Cryptochrome photoreceptor | C. reinhardtii | 499 | A:CD | A:CD | X-ray | 1 | 2 | 2.9 | Monomer | 1861 | 902 | 959 | - | ||
| 6G1T | AM32 | E. faecalis | 122 | A:ED | A:DE | X-ray | 1 | 2 | 1.93 | Monomer | 3231 | 1599 | 1633 | - | ||
| 6HP7 | SPBc2 prophage-derived uncharacterized protein YopK | B. subtilis | 386 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.2 | Homodimer | 4010 | 1925 | 2085 | - | ||
| 6IDE | Transcriptional regulator LuxR family | V. cholerae | 256 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.51 | Homodimer | 2586 | 1285 | 1301 | - | ||
| 6IR8 | OsWRKY45 | O. sativa subsp. japonica | 69 | A:BC | A:BC | X-ray | 1 | 2 | 2.3 | Monomer | 1218 | 615 | 603 | - | ||
| 6J4F | Probable WRKY transcription factor 2 | A. thaliana | 82 | BF:CDGH | B:CD | X-ray | 1 | 2 | 2.4 | Monomer | 1259 | 619 | 641 | - | ||
| 6JBX | Fatty acid biosynthesis transcriptional regulator | S. pneumoniae | 152 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.2 | Homodimer | 3613 | 1762 | 1851 | - | ||
| 6JGW | CadR | P. putida | 147 | BA:CD | AB:CD | X-ray | 1 | 2 | 2.8 | Homodimer | 3043 | 1431 | 1612 | - | ||
| 6LB3 | HTH cro/C1-type domain-containing protein | P. aeruginosa | 109 | ABCDEFGH:IJKLMN check the other interfaces | ABGH:IJ | X-ray | 1 | 2 | 2.5 | Homo 4-mer | 3367 | 1634 | 1733 | - | ||
| 6LUI | Atherin | H. sapiens | 80 | A:BC | A:BC | X-ray | 1 | 2 | 1.78 | Monomer | 1534 | 794 | 740 | - | ||
| 6LXN | Transcriptional regulatory protein OmpR | E. coli | 113 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.93 | Homodimer | 3424 | 1712 | 1711 | - | ||
| 6MRJ | Nickel-responsive regulator | H. pylori | 148 | ABCD:LM | ABCD:LM | X-ray | 1 | 2 | 2.8 | Homo 4-mer | 3819 | 1901 | 1918 | - | ||
| 6NSM | TetR family transcriptional regulator CifR | P. aeruginosa | 198 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.8 | Homodimer | 3617 | 1886 | 1730 | - | ||
| 6ON0 | Gp39 | R. N15 | 71 | AB:CN | AB:CN | X-ray | 1 | 1 | 1.6 | Homodimer | 1977 | 997 | 980 | - | ||
| 6P0S | DNA-binding protein Fis+Excisionase | E. phage lambda | 55+98 | ABE:CD | ABE:CD | X-ray | 2 | 2 | 2.7 | Homodimer | Monomer | 3543 | 1797 | 1745 | - | |
| 6P1A | Q protein | E. phage 21 | 162 | ABC:DEFG | AB:DE | X-ray | 1 | 2 | 2.84 | Homo 2-mer | 3400 | 1793 | 1607 | - | ||
| 6Q2B | MarR family transcriptional regulator | L. monocytogenes serovar 1/2a | 153 | AB:CD | AB:CD | X-ray | 1 | 1 | 2.72 | Homodimer | 4511 | 2277 | 2234 | - | ||
| 6QFD | DNA-binding protein | H. salinarum | 116 | ABCD:EFGH | AB:EF | X-ray | 1 | 2 | 2.13 | Homodimer | 3484 | 1715 | 1770 | - | ||
| 6RYD | Protein WUSCHEL | A. thaliana | 76 | ABEF:CDGH | EF:GH | X-ray | 1 | 2 | 1.58 | Homodimer | 3016 | 1576 | 1440 | - | ||
| 6W1A | Transcriptional regulator | S. dysgalactiae | 284 | AB:EF | AB:EF | X-ray | 1 | 2 | 2.8 | Homodimer | 2465 | 1203 | 1262 | - | ||
| 6ZA3 | Transcriptional regulator, GntR family | A. fabrum | 250 | AB:EF | AB:EF | X-ray | 1 | 1 | 2.05 | Homodimer | 2214 | 1075 | 1139 | - | ||
| 7AMN | HTH-type transcriptional regulator LuxR | V. alginolyticus | 221 | BA:EF | AB:EF | X-ray | 1 | 2 | 2.3 | Homodimer | 3488 | 1752 | 1736 | - | ||
| 7B0C | HTH-type transcriptional repressor NsrR | S. coelicolor | 161 | AB:CD | AB:CD | X-ray | 1 | 2 | 3 | Homodimer | 3469 | 1743 | 1726 | - | ||
| 7BCB | KORA domain-containing protein | E. coli | 110 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.8 | Homodimer | 2317 | 1173 | 1144 | - | ||
| 7BHY | Deoxyribonucleoside regulator | B. subtilis | 57 | ABC:EG | AB:EG | X-ray | 1 | 2 | 2.3 | Homodimer | 1829 | 945 | 884 | - | ||
| 7BZG | HTH-type transcriptional activator HxlR | B. subtilis | 123 | ABEFIJ:CDGHKL | AB:CD | X-ray | 1 | 1 | 2.9 | Homodimer | 2943 | 1400 | 1543 | - | ||
| 7C0G | Aca1 | P. phage JBD30 | 79 | AB:CD | AB:CD | X-ray | 1 | 1 | 2.4 | Homo 2-mer | 951 | 497 | 454 | - | ||
| 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 | ABC:DE | ABC:DE | X-ray | 3 | 2 | 2.55 | Trimer | 3464 | 1680 | 1784 | - | ||
| 7DVV | HTH marR-type domain-containing protein | S. agalactiae serotype III | 153 | AB:LM | AB:LM | X-ray | 1 | 2 | 2.49 | Homodimer | 4640 | 2313 | 2326 | - | ||
| 7EL3 | Homoprotocatechuate degradation operon regulator HpaR | A. baumannii | 141 | AB:CD | AB:CD | X-ray | 1 | 2 | 1.7 | Homodimer | 4273 | 2152 | 2121 | - | ||
| 7EOF | Coiled-coil domain-containing protein 25 | H. sapiens | 204 | BA:CD | AB:CD | X-ray | 1 | 2 | 2.73 | NA | 376 | 196 | 180 | - | ||
| 7ET4 | AP2/ERF and B3 domain-containing transcription repressor TEM1 | A. thaliana | 122 | ADGJ:BCEFHIKL | A:BC | X-ray | 1 | 2 | 2.7 | Monomer | 1608 | 792 | 816 | - | ||
| 7ET6 | AP2/ERF and B3 domain-containing transcription repressor TEM1 | A. thaliana | 125 | DA:EF | AD:EF | X-ray | 1 | 2 | 2.7 | Monomer | 2565 | 1224 | 1341 | - | ||
| 7F2F | Serine-rich protein TYE7 | S. cerevisiae | 136 | AB:EH | AB:EH | X-ray | 1 | 2 | 2.55 | Homodimer | 2904 | 1444 | 1460 | - | ||
| 7F9H | EnrR repressor | E. piscicida | 90 | AB:CD | AB:CD | X-ray | 1 | 1 | 1.78 | Monomer | 3156 | 1515 | 1642 | - | ||
| 7JNP | HTH-type transcriptional regulator MtrR | N. gonorrhoeae | 213 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.6 | Homodimer | 2366 | 1172 | 1194 | - | ||
| 7LH9 | Bromodomain-containing protein 1 | H. sapiens | 126 | ABCD:EFGHIJKL see the paper of any other interfafce | A:EFBC | X-ray | 1 | 1 | 2.6 | Monomer | 1426 | 715 | 711 | - | ||
| 7OYK | Central glycolytic genes regulator | B. subtilis | 96 | ABCD:EFGH | AD:EF | X-ray | 1 | 2 | 2.1 | Homodimer | 1672 | 896 | 775 | - | ||
| 7PRV | Glucocorticoid receptor+Peroxisome proliferator-activated receptor gamma coactivator 1-alpha | H. sapiens | 21+393 | ABF:CD | ABF:CD | X-ray | 2 | 2 | 2.7 | Homodimer | 2622 | 1302 | 1320 | - | ||
| 7PZA | Putative cAMP-binding protein-catabolite gene activator | R. meliloti | 244 | AB:CDEF | AB:CDEF | X-ray | 1 | 2 | 2.72 | Homodimer | 2506 | 1259 | 1247 | - | ||
| 7T8K | BrxR | A. sp. NEB 394 | 291 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.3 | Homodimer | 3192 | 1610 | 1582 | - | ||
| 7TZ1 | Immunity repressor | M. phage TipsytheTRex | 203 | A:BC | A:BC | X-ray | 1 | 2 | 2.79 | Monomer | 3120 | 1567 | 1554 | - | ||
| 7V6W | Antitoxin+Putative mRNA interferase YoeB | S. aureus | 85+89 | FBCAEMLIKNDJ:GHPO | ABCDEF:GH | X-ray | 2 | 2 | 2.55 | Homodimer | 3635 | 1831 | 1804 | - | ||
| 7V9F | BEN domain-containing protein 3 | M. musculus | 114 | A:BC | A:BC | X-ray | 1 | 2 | 2.5 | Monomer | 579 | 261 | 318 | - | ||
| 7VJQ | anti-CRISPR-associated protein Aca2 | P. phage ZF40 | 121 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.79 | Homodimer | 2268 | 1175 | 1093 | - | ||
| 7VP1 | Transcription factor TCP10 | A. thaliana | 107 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.9 | Homodimer | 2408 | 1224 | 1184 | - | ||
| 7X5G | Nuclear factor erythroid 2-related factor 2+Transcription factor MafG | H. sapiens | 104+113 | ABEF:CDGH | AB:CD | X-ray | 2 | 2 | 2.3 | Heterodimer | 2771 | 1423 | 1348 | - | ||
| 7XQ5 | Protein INO2+Protein INO4 | S. cerevisiae | 73+75 | AB:CD | AB:CD | X-ray | 2 | 2 | 2.25 | Heterodimer | 3239 | 1649 | 1590 | - | ||
| 7YUK | Protein BANP | H. sapiens | 141 | A:CD | A:CD | X-ray | 1 | 1 | 2.11 | Monomer | 1338 | 658 | 680 | - | ||
| 7YZG | Forkhead box protein H1 | X. laevis | 140 | A:BC | A:BC | X-ray | 1 | 2 | 2.82 | Monomer | 2363 | 1168 | 1195 | - | ||
| 7ZG5 | Acetyltransferase+DUF1778 domain-containing protein | S. typhimurium | 176+94 | ABCD:EF | ABCD:EF | X-ray | 2 | 2 | 2 | Homodimer | 543 | 269 | 274 | - | ||
| 8B4B | Cholera toxin transcriptional activator | V. cholerae serotype O1 | 110 | WXYZ:LM | WXYZ:LM | X-ray | 1 | 2 | 1.75 | Monomer tandem repeat | 4927 | 2400 | 2527 | - | ||
| 8EB5 | Hermes transposase BED domain | M. domestica | 78 | A:CD | AA':CD' | X-ray | 1 | 2 | 2.5 | Monomer repeat | 3163 | 1569 | 1594 | - | ||
| 8EJO | Homeobox domain-containing protein | O. anatinus | 71 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.67 | Homodimer | 3626 | 1826 | 1800 | - | ||
| 8HML | DNA-binding response OmpR family regulator | S. erythraea | 143 | AB:DC | AB:CD | X-ray | 1 | 2 | 2.95 | Monomer tandem repeat | 3232 | 1606 | 1626 | - | ||
| 8IKE | LMX1A factor | H. sapiens | 60 | C:AB | C:AB | X-ray | 1 | 2 | 2.6 | Monomer | 1537 | 750 | 787 | - | ||
| 8J0K | Transcription factor AP-2-alpha | H. sapiens | 219 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.1 | Homodimer | 2263 | 1156 | 1107 | - | ||
| 8K4L | Nuclear respiratory factor 1 | H. sapiens | 109 | A:C | AB:CD | X-ray | 1 | 1 | 2.3 | Homodimer | 3068 | 1506 | 1562 | - | ||
| 8K86 | Nuclear factor interleukin-3-regulated protein | H. sapiens | 73 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.06 | Homodimer | 2481 | 1283 | 1198 | - | ||
| 8P5Q | Protein LIGHT-DEPENDENT SHORT HYPOCOTYLS 3 | A. thaliana | 129 | A:BC | A:BC | X-ray | 1 | 2 | 2.14 | Monomer | 2121 | 1054 | 1067 | - | ||
| 8PW0 | Iron dependent repressor, putative | D. radiodurans | 148 | A:B | AA':BB' | X-ray | 1 | 1 | 2.2 | Homodimer | 3276 | 1652 | 1624 | - | ||
| 8UVK | DNA-binding response regulator | C. jejuni | 224 | AB:CD | AB:CD | X-ray | 1 | 2 | 2.21 | Homodimer | 2781 | 1392 | 1389 | - | ||
| 8YEY | Activating signal cointegrator 1 | H. sapiens | 148 | CA:DB | AC:BD | X-ray | 1 | 1 | 2 | Monomer | 1003 | 482 | 521 | - | ||
| 1A66 | CORE NFATC1 | H. sapiens | 178 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 2213 | 1085 | 1128 | - | |||
| 1AHD | Homeotic protein antennapedia | D. melanogaster | 68 | P:AB | P:AB | NMR | 1 | 2 | Monomer | 2290 | 1159 | 1130 | - | |||
| 1C7U | MYOCYTE-SPECIFIC ENHANCER FACTOR 2A, C4 FORM | H. sapiens | 85 | AB:CD | AB:CD | NMR | 1 | 1 | Homodimer | 3490 | 1807 | 1683 | - | |||
| 1CJG | PROTEIN (LAC REPRESSOR) | E. coli | 62 | AB:CD | AB:CD | NMR | 1 | 1 | Homodimer | 3780 | 1832 | 1948 | - | |||
| 1CO0 | TRP OPERON REPRESSOR | E. coli | 107 | AB:EF | AB:EF | NMR | 1 | 2 | Homodimer | 3006 | 1516 | 1491 | - | |||
| 1F4S | ETHANOL REGULON TRANSCRIPTIONAL FACTOR | E. nidulans | 65 | P:AB | P:AB | NMR | 1 | 2 | Monomer | 2211 | 1162 | 1049 | - | |||
| 1G4D | REPRESSOR PROTEIN C | E. phage Mu | 69 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 1708 | 888 | 819 | - | |||
| 1GAT | ERYTHROID TRANSCRIPTION FACTOR GATA-1 | G. gallus | 60 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 2036 | 1039 | 997 | - | |||
| 1GCC | ETHYLENE RESPONSIVE ELEMENT BINDING FACTOR 1 | A. thaliana | 63 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 1612 | 832 | 780 | - | |||
| 1HRY | HUMAN SRY | H. sapiens | 76 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 2106 | 1136 | 971 | - | |||
| 1J4W | FUSE binding protein | H. sapiens | 174 | A:B | A:B | NMR | 1 | 1 | Monomer | 2045 | 994 | 1052 | - | |||
| 1KQQ | DEAD RINGER PROTEIN | D. melanogaster | 139 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 1745 | 863 | 882 | - | |||
| 1LFU | homeobox protein PBX1 | M. musculus | 82 | P:AB | P:AB | NMR | 1 | 2 | Monomer | 2210 | 1178 | 1032 | - | |||
| 1LO1 | Steroid hormone receptor ERR2 | H. sapiens | 98 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 2452 | 1245 | 1208 | - | |||
| 1MSE | C-Myb DNA-Binding Domain | M. musculus | 105 | C:AB | C:AB | NMR | 1 | 2 | Monomer | 2841 | 1358 | 1483 | - | |||
| 1O4X | Transcription factor SOX-2+transcription factor Oct-1 | H. sapiens | 167+88 | AB:CD | AB:CD | NMR | 2 | 2 | Heterodimer | 4894 | 2516 | 2379 | - | |||
| 1TF3 | TRANSCRIPTION FACTOR IIIA | X. laevis | 92 | A:EF | A:EF | NMR | 1 | 2 | Monomer | 3255 | 1638 | 1616 | - | |||
| 1XS9 | DNA-directed RNA polymerase alpha chain+Multiple antibiotic resistance protein marA | E. coli | 132+84 | AD:BC | A:BC | NMR | 2 | 2 | Monomer | 2795 | 1407 | 1388 | - | |||
| 1YUI | GAGA-FACTOR | D. melanogaster | 54 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 2359 | 1243 | 1116 | - | |||
| 1ZGW | Ada polyprotein | E. coli | 139 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 2457 | 1242 | 1214 | - | |||
| 2HDC | PROTEIN (TRANSCRIPTION FACTOR) | R. norvegicus | 97 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 2375 | 1185 | 1190 | - | |||
| 2JX1 | Myelin transcription factor 1 | M. musculus | 31 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 1419 | 754 | 666 | - | |||
| 2K1N | AbrB family transcriptional regulator | B. subtilis | 55 | ABCD:EF | ABCD:EF | NMR | 1 | 2 | Homodimer | 3049 | 1419 | 1630 | - | |||
| 2KAE | GATA-type transcription factor | C. elegans | 71 | A:BC | A:BC | NMR | 1 | 1 | Monomer | 2962 | 1585 | 1376 | - | |||
| 2KKF | Histone-lysine N-methyltransferase HRX | H. sapiens | 59 | A:BC | A:BC | NMR | 1 | 1 | Monomer | 1904 | 1009 | 894 | - | |||
| 2KMK | Zinc finger protein Gfi-1 | R. norvegicus | 82 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 2762 | 1430 | 1331 | - | |||
| 2KO0 | THAP domain-containing protein 1 | H. sapiens | 87 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 2171 | 1141 | 1030 | - | |||
| 2LEF | PROTEIN (LYMPHOID ENHANCER-BINDING FACTOR) | M. musculus | 86 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 3677 | 1884 | 1793 | - | |||
| 2LEV | Ler | E. coli O157:H7 | 57 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 928 | 454 | 474 | - | |||
| 2LEX | Probable WRKY transcription factor 4 | A. thaliana | 78 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 1200 | 591 | 609 | - | |||
| 2MAP | RNA polymerase sigma factor | E. coli | 96 | A:B | A:B | NMR | 1 | 1 | Monomer | 1433 | 665 | 768 | - | |||
| 2MRU | Antitoxin MazE | E. coli | 67 | AB:XY | AB:XY | NMR | 1 | 2 | Homodimer | 1675 | 865 | 810 | - | |||
| 2MXF | MvaT | P. aeruginosa | 55 | A:BC | A:BC | NMR | 1 | 1 | Monomer | 1637 | 851 | 785 | - | |||
| 2O8K | RNA polymerase sigma factor RpoN | A. aeolicus | 63 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 1553 | 745 | 808 | - | |||
| 2P7C | Penicillinase repressor | B. licheniformis | 82 | B:AC | B:AC | NMR | 1 | 2 | Monomer | 2320 | 1099 | 1222 | - | |||
| 2STT | ETS1 | H. sapiens | 96 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 1815 | 907 | 907 | - | |||
| 2Z33 | Phosphate regulon transcriptional regulatory protein phoB | E. coli | 104 | A:BC | A:BC | NMR | 1 | 2 | Monomer | 1968 | 979 | 989 | - | |||
| II. RNA-binding Transcription Factors | ||||||||||||||||
| 1C9S | TRP RNA-BINDING ATTENUATION PROTEIN | G. stearothermophilus | 74 | ABCDEFGHIJKLMNOPQRSTUV: | ABCDEFGHIJKLMNOPQRSTUV:W | X-ray | 1 | 1 | 1.9 | Homo 11-mer | 1050 | 502 | - | 548 | ||
| 1L1C | Transcription antiterminator licT | B. subtilis | 55 | AB:C | AB:C | NMR | 1 | 1 | Homodimer | 2352 | 1168 | - | 1184 | |||
| 1QFQ | 36-mer N-terminal peptide of the N protein | E. phage lambda | 35 | B:A | B:A | NMR | 1 | 1 | Monomer | 1322 | 674 | - | 648 | |||
| 1WMQ | Hut operon positive regulatory protein | B. subtilis | 147 | AB:CD | AEI:CGK | X-ray | 1 | 1 | 1.6 | Homodimer | 4585 | 2038 | - | 2546 | ||
| 2A8V | RNA BINDING DOMAIN OF RHO TRANSCRIPTION TERMINATION FACTOR | E. coli | 118 | ABC:DE | A:D | X-ray | 1 | 2 | 2.4 | Monomer | 719 | 281 | - | 438 | ||
| 2ASB | Transcription elongation protein nusA | M. tuberculosis | 251 | A:B | A:B | X-ray | 1 | 1 | 1.5 | Monomer | 2316 | 1092 | - | 1225 | ||
| 3KS8 | Polymerase cofactor VP35 | R. ebolavirus | 184 | ABCD:EF | AB:EF | X-ray | 1 | 2 | 2.4 | Homo 2-mer | 1663 | 799 | - | 864 | ||
| 3R2C | 30S ribosomal protein S10+N utilization substance protein B | A. aeolicus | 148+83 | ABJK:RS | AJ:R | X-ray | 2 | 1 | 1.9 | Heterodimer | 2278 | 1027 | - | 1251 | ||
| 4GHA | Polymerase cofactor VP35 | O. marburgense | 146 | ACEG:IJ | ACEG:IJ | X-ray | 1 | 1 | 2.5 | Monomer | 3691 | 1774 | - | 1917 | ||
| 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 | ABCXY:RV | ABCXY:RV | X-ray | 4 | 2 | 2.5 | Hetero 5-mer | 5352 | 2563 | - | 2789 | ||
| 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 | ABCX:RV | ABCX:RV | X-ray | 4 | 2 | 2.8 | Hetero 4-mer | 5460 | 2627 | - | 2833 | ||
| 8F5G | Transcription termination/antitermination protein NusG | T. pseudethanolicus | 182 | ABC:DEF | A:D | X-ray | 1 | 1 | 2.7 | Monomer | 1529 | 751 | - | 778 | ||
| 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 III+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 | ABCDEFGHIJKLMW:TN | ABCDEFGHIJKLMW:NT:P | X-ray | 14 | 1 | 2 | 3 | Hetero 14-mer | 6836 | 2896 | 1335 | 2605 | |
| 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 | ABCDEF:GH | ABCDEF:GH:I | X-ray | 5 | 1 | 2 | 2.8 | Hetero 6-mer | 12387 | 5665 | 1095 | 5626 | |
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;
ePDB Chain Id: Chain Identifier from the PDB file;
fBiological assembly: Functional unit of the molecules;
gExperimental Methods: Biophysical methods used for the structure determination (X: X-ray, N:NMR);
hProtein Entities: Number of proteins in a biological unit;
iRNA Entities: Number of RNAs in a biological unit;
jDNA Entities: Number of DNAs in a biological unit;
kOligomeric State: Total number of biomolecules in a biological assembly;
lBSA: buried surface area.