6PSR: DNA-directed RNA polymerase subunit alpha
Escherichia coli RNA polymerase promoter unwinding intermediate (TRPi1) with TraR and rpsT P2 promoter. Determined by electron microscopy at 3.4 Å resolution. Released 25 Mar 2020.
- Method
- Electron microscopy
- Resolution
- 3.4 Å
- Organism
- Escherichia coli
- Chains
- 10
- Atoms
- 32,186
- Mol. weight
- 562.9 kDa
- Ligands
- 1N7, ZN, MG
- Released
- 25 Mar 2020
Explore 6PSR in 3D
Show helices and sheets
RCSB PDB
PDBe
Secondary structure: helices and β-sheets
6PSR contains 170 α-helices and 227 β-strands across 8 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
Chain G: 7 helices, 19 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 13-17 | 5 | 1 |
| β-strand | 23-31 | 9 | 1 |
| α-helix | 35-49 | 15 | |
| β-strand | 52-53 | 2 | 2 |
| β-strand | 56-61 | 6 | 3 |
| β-strand | 74 | 1 | 4 |
| α-helix | 78-85 | 8 | |
| β-strand | 90-92 | 3 | 5 |
| β-strand | 97-105 | 9 | 3 |
| β-strand | 108-111 | 4 | 4 |
| α-helix | 112-114 | 3 | |
| α-helix | 116-117 | 2 | |
| β-strand | 121-123 | 3 | 5 |
| β-strand | 129-133 | 5 | 4 |
| β-strand | 139-147 | 9 | 3 |
| β-strand | 149-150 | 2 | 2 |
| β-strand | 153 | 1 | 6 |
| α-helix | 155-158 | 4 | |
| β-strand | 170-172 | 3 | 3 |
| α-helix | 173-174 | 2 | |
| β-strand | 175 | 1 | 6 |
| β-strand | 180 | 1 | 7 |
| β-strand | 184-189 | 6 | 1 |
| β-strand | 199-206 | 8 | 1 |
| β-strand | 207 | 1 | 7 |
| α-helix | 213-231 | 19 | |
Chain H: 5 helices, 19 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 16-18 | 3 | 8 |
| β-strand | 23-31 | 9 | 8 |
| α-helix | 32 | 1 | |
| α-helix | 35-49 | 15 | |
| β-strand | 53-61 | 9 | 9 |
| α-helix | 78-86 | 9 | |
| β-strand | 90-92 | 3 | 10 |
| β-strand | 97-101 | 5 | 9 |
| β-strand | 104-105 | 2 | 11 |
| β-strand | 109-111 | 3 | 12 |
| α-helix | 112-114 | 3 | |
| β-strand | 121-123 | 3 | 10 |
| β-strand | 129-132 | 4 | 12 |
| β-strand | 139-140 | 2 | 11 |
| β-strand | 142-149 | 8 | 9 |
| β-strand | 153 | 1 | 13 |
| β-strand | 172 | 1 | 9 |
| β-strand | 175 | 1 | 13 |
| β-strand | 180-183 | 4 | 8 |
| β-strand | 188 | 1 | 14 |
| β-strand | 199 | 1 | 8 |
| β-strand | 200 | 1 | 14 |
| β-strand | 201-207 | 7 | 8 |
| α-helix | 213-227 | 15 | |
Chain I: 59 helices, 97 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 5-7 | 3 | |
| β-strand | 13-14 | 2 | 15 |
| α-helix | 19-20 | 2 | |
| α-helix | 29-38 | 10 | |
| α-helix | 49-56 | 8 | |
| β-strand | 59 | 1 | 16 |
| β-strand | 66-75 | 10 | 16 |
| α-helix | 76-78 | 3 | |
| α-helix | 82-87 | 6 | |
| β-strand | 93-104 | 12 | 16 |
| β-strand | 116-128 | 13 | 16 |
| β-strand | 136-137 | 2 | 17 |
| β-strand | 142-145 | 4 | 17 |
| β-strand | 147-148 | 2 | 18 |
| β-strand | 149-151 | 3 | 19 |
| β-strand | 154-158 | 5 | 20 |
| α-helix | 164-166 | 3 | |
| α-helix | 169-171 | 3 | |
| β-strand | 173-177 | 5 | 20 |
| β-strand | 180 | 1 | 21 |
| β-strand | 184-187 | 4 | 20 |
| β-strand | 195-196 | 2 | 22 |
| β-strand | 197 | 1 | 20 |
| β-strand | 204-205 | 2 | 22 |
| α-helix | 207-212 | 6 | |
| α-helix | 217-224 | 8 | |
| β-strand | 227-231 | 5 | 23 |
| β-strand | 238-240 | 3 | 23 |
| α-helix | 244-246 | 3 | |
| β-strand | 256-257 | 2 | 24 |
| β-strand | 260-261 | 2 | 24 |
| α-helix | 268-270 | 3 | |
| α-helix | 271-279 | 9 | |
| β-strand | 284-285 | 2 | 23 |
| α-helix | 289-292 | 4 | |
| β-strand | 296 | 1 | 25 |
| β-strand | 297 | 1 | 23 |
| β-strand | 301 | 1 | 26 |
| β-strand | 311 | 1 | 26 |
| β-strand | 316 | 1 | 25 |
| α-helix | 319-327 | 9 | |
| β-strand | 333-336 | 4 | 23 |
| α-helix | 347-352 | 6 | |
| α-helix | 359-370 | 12 | |
| α-helix | 375-376 | 2 | |
| α-helix | 378-386 | 9 | |
| β-strand | 396 | 1 | 21 |
| α-helix | 399-408 | 10 | |
| α-helix | 422-437 | 16 | |
| β-strand | 451-453 | 3 | 19 |
| α-helix | 456-480 | 25 | |
| α-helix | 496-506 | 11 | |
| β-strand | 512-514 | 3 | 17 |
| α-helix | 520-526 | 7 | |
| β-strand | 529 | 1 | 27 |
| β-strand | 530-531 | 2 | 18 |
| α-helix | 552-554 | 3 | |
| β-strand | 558 | 1 | 28 |
| β-strand | 574 | 1 | 27 |
| β-strand | 575 | 1 | 28 |
| β-strand | 576 | 1 | 29 |
| β-strand | 580-581 | 2 | 30 |
| α-helix | 586 | 1 | |
| β-strand | 587-588 | 2 | 30 |
| β-strand | 589-594 | 6 | 31 |
| β-strand | 598 | 1 | 32 |
| β-strand | 599-606 | 8 | 31 |
| α-helix | 610-612 | 3 | |
| β-strand | 616 | 1 | 31 |
| β-strand | 628 | 1 | 32 |
| β-strand | 633-639 | 7 | 31 |
| β-strand | 641-646 | 6 | 31 |
| α-helix | 647-649 | 3 | |
| β-strand | 652-654 | 3 | 31 |
| α-helix | 657-659 | 3 | |
| β-strand | 662 | 1 | 29 |
| α-helix | 664-666 | 3 | |
| α-helix | 671-673 | 3 | |
| β-strand | 674 | 1 | 33 |
| α-helix | 676-686 | 11 | |
| β-strand | 689 | 1 | 34 |
| α-helix | 704-711 | 8 | |
| β-strand | 716-717 | 2 | 35 |
| β-strand | 722-726 | 5 | 36 |
| β-strand | 731-736 | 6 | 36 |
| α-helix | 738-740 | 3 | |
| β-strand | 749-752 | 4 | 36 |
| β-strand | 757-758 | 2 | 37 |
| β-strand | 763 | 1 | 38 |
| β-strand | 764-765 | 2 | 37 |
| β-strand | 768-769 | 2 | 35 |
| β-strand | 776-777 | 2 | 36 |
| β-strand | 782-785 | 4 | 35 |
| β-strand | 789 | 1 | 39 |
| β-strand | 794 | 1 | 39 |
| β-strand | 798-804 | 7 | 40 |
| β-strand | 816-819 | 4 | 40 |
| α-helix | 821-824 | 4 | |
| β-strand | 830-841 | 12 | 38 |
| β-strand | 842-843 | 2 | 41 |
| β-strand | 846-847 | 2 | 41 |
| β-strand | 849 | 1 | 42 |
| β-strand | 865 | 1 | 43 |
| β-strand | 870 | 1 | 44 |
| β-strand | 871 | 1 | 43 |
| α-helix | 872 | 1 | |
| β-strand | 876 | 1 | 38 |
| β-strand | 882-884 | 3 | 44 |
| β-strand | 887-889 | 3 | 42 |
| α-helix | 899-905 | 7 | |
| β-strand | 913-915 | 3 | 42 |
| β-strand | 918-919 | 2 | 44 |
| α-helix | 920-921 | 2 | |
| β-strand | 926-935 | 10 | 38 |
| α-helix | 943-978 | 36 | |
| α-helix | 994-997 | 4 | |
| α-helix | 1006-1036 | 31 | |
| α-helix | 1039-1040 | 2 | |
| α-helix | 1042-1043 | 2 | |
| β-strand | 1046-1058 | 13 | 38 |
| β-strand | 1065-1067 | 3 | 45 |
| β-strand | 1073-1075 | 3 | 45 |
| β-strand | 1076-1080 | 5 | 40 |
| α-helix | 1082-1084 | 3 | |
| β-strand | 1087-1088 | 2 | 46 |
| α-helix | 1092 | 1 | |
| β-strand | 1093 | 1 | 46 |
| α-helix | 1094 | 1 | |
| β-strand | 1096-1098 | 3 | 40 |
| α-helix | 1100-1102 | 3 | |
| β-strand | 1108 | 1 | 33 |
| α-helix | 1110-1133 | 24 | |
| α-helix | 1138-1150 | 13 | |
| α-helix | 1168-1175 | 8 | |
| β-strand | 1182-1183 | 2 | 15 |
| α-helix | 1192-1201 | 10 | |
| β-strand | 1209-1210 | 2 | 47 |
| β-strand | 1212-1213 | 2 | 46 |
| α-helix | 1219 | 1 | |
| β-strand | 1220 | 1 | 46 |
| α-helix | 1221 | 1 | |
| β-strand | 1225-1226 | 2 | 47 |
| β-strand | 1227-1232 | 6 | 40 |
| β-strand | 1233-1234 | 2 | 45 |
| β-strand | 1235 | 1 | 34 |
| α-helix | 1239-1242 | 4 | |
| β-strand | 1244-1246 | 3 | 48 |
| β-strand | 1251 | 1 | 49 |
| β-strand | 1258 | 1 | 49 |
| β-strand | 1268-1270 | 3 | 50 |
| α-helix | 1272-1280 | 9 | |
| α-helix | 1284-1288 | 5 | |
| α-helix | 1289-1293 | 5 | |
| α-helix | 1298-1309 | 12 | |
| α-helix | 1321-1331 | 11 | |
| β-strand | 1336-1339 | 4 | 51 |
Chain J: 56 helices, 85 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 20-23 | 4 | 51 |
| α-helix | 27-33 | 7 | |
| β-strand | 34-37 | 4 | 52 |
| β-strand | 44 | 1 | 53 |
| β-strand | 51 | 1 | 53 |
| β-strand | 53 | 1 | 54 |
| β-strand | 58 | 1 | 54 |
| β-strand | 66 | 1 | 55 |
| β-strand | 69 | 1 | 55 |
| α-helix | 78-80 | 3 | |
| β-strand | 84 | 1 | 56 |
| β-strand | 91 | 1 | 56 |
| α-helix | 95-99 | 5 | |
| β-strand | 102-105 | 4 | 52 |
| β-strand | 112 | 1 | 57 |
| α-helix | 114-116 | 3 | |
| α-helix | 123-128 | 6 | |
| α-helix | 132-139 | 8 | |
| β-strand | 144-146 | 3 | 58 |
| β-strand | 159-160 | 2 | 58 |
| α-helix | 162-171 | 10 | |
| β-strand | 178-179 | 2 | 58 |
| α-helix | 181-191 | 11 | |
| α-helix | 194-206 | 13 | |
| α-helix | 211-229 | 19 | |
| α-helix | 234-236 | 3 | |
| β-strand | 238 | 1 | 57 |
| β-strand | 242-244 | 3 | 52 |
| α-helix | 245-246 | 2 | |
| α-helix | 247-249 | 3 | |
| β-strand | 252-253 | 2 | 59 |
| β-strand | 261-262 | 2 | 59 |
| α-helix | 264-283 | 20 | |
| α-helix | 289-308 | 20 | |
| α-helix | 323-325 | 3 | |
| α-helix | 327-331 | 5 | |
| β-strand | 345-347 | 3 | 50 |
| β-strand | 350-354 | 5 | 48 |
| β-strand | 355-356 | 2 | 60 |
| β-strand | 365-369 | 5 | 60 |
| α-helix | 370-376 | 7 | |
| α-helix | 378-388 | 11 | |
| α-helix | 394-403 | 10 | |
| α-helix | 408-416 | 9 | |
| β-strand | 421-424 | 4 | 48 |
| α-helix | 431-433 | 3 | |
| β-strand | 434-437 | 4 | 48 |
| β-strand | 438-442 | 5 | 60 |
| β-strand | 447-448 | 2 | 60 |
| α-helix | 451-453 | 3 | |
| α-helix | 454-457 | 4 | |
| β-strand | 465-469 | 5 | 48 |
| α-helix | 474-477 | 4 | |
| α-helix | 479-482 | 4 | |
| β-strand | 485 | 1 | 48 |
| β-strand | 491-492 | 2 | 61 |
| β-strand | 495-498 | 4 | 61 |
| α-helix | 505-513 | 9 | |
| β-strand | 517 | 1 | 62 |
| β-strand | 526-527 | 2 | 63 |
| α-helix | 530-539 | 10 | |
| β-strand | 546 | 1 | 62 |
| β-strand | 547-556 | 10 | 63 |
| β-strand | 564-573 | 10 | 63 |
| α-helix | 574-580 | 7 | |
| α-helix | 599-612 | 14 | |
| α-helix | 615-635 | 21 | |
| α-helix | 650-669 | 20 | |
| α-helix | 675-702 | 28 | |
| β-strand | 706-707 | 2 | 64 |
| β-strand | 714-715 | 2 | 64 |
| α-helix | 721-728 | 8 | |
| α-helix | 734-741 | 8 | |
| β-strand | 745 | 1 | 65 |
| β-strand | 748 | 1 | 66 |
| β-strand | 754 | 1 | 66 |
| β-strand | 759 | 1 | 65 |
| α-helix | 769-788 | 20 | |
| α-helix | 795-803 | 9 | |
| β-strand | 809-811 | 3 | 67 |
| β-strand | 820-822 | 3 | 68 |
| α-helix | 835-838 | 4 | |
| β-strand | 843 | 1 | 69 |
| β-strand | 844 | 1 | 68 |
| β-strand | 848 | 1 | 70 |
| β-strand | 858 | 1 | 70 |
| β-strand | 863 | 1 | 69 |
| α-helix | 866-874 | 9 | |
| β-strand | 880-882 | 3 | 68 |
| α-helix | 885-887 | 3 | |
| β-strand | 894-895 | 2 | 67 |
| α-helix | 909-910 | 2 | |
| α-helix | 915-924 | 10 | |
| α-helix | 926-929 | 4 | |
| β-strand | 949 | 1 | 71 |
| β-strand | 956 | 1 | 72 |
| β-strand | 957-961 | 5 | 73 |
| β-strand | 965-967 | 3 | 71 |
| β-strand | 973-975 | 3 | 71 |
| β-strand | 981-985 | 5 | 73 |
| β-strand | 993-996 | 4 | 73 |
| β-strand | 1002-1003 | 2 | 71 |
| β-strand | 1011 | 1 | 72 |
| β-strand | 1019 | 1 | 71 |
| β-strand | 1021 | 1 | 74 |
| β-strand | 1024 | 1 | 74 |
| β-strand | 1026 | 1 | 75 |
| β-strand | 1033-1038 | 6 | 76 |
| β-strand | 1046-1051 | 6 | 77 |
| β-strand | 1056-1061 | 6 | 77 |
| β-strand | 1077-1081 | 5 | 76 |
| α-helix | 1088 | 1 | |
| β-strand | 1089-1090 | 2 | 78 |
| β-strand | 1093-1096 | 4 | 78 |
| β-strand | 1098-1100 | 3 | 76 |
| β-strand | 1106-1107 | 2 | 75 |
| β-strand | 1113-1115 | 3 | 76 |
| β-strand | 1122-1123 | 2 | 75 |
| α-helix | 1139-1146 | 8 | |
| β-strand | 1156 | 1 | 79 |
| β-strand | 1161 | 1 | 80 |
| β-strand | 1162-1165 | 4 | 81 |
| β-strand | 1175-1178 | 4 | 81 |
| β-strand | 1186-1188 | 3 | 81 |
| β-strand | 1204 | 1 | 80 |
| β-strand | 1209 | 1 | 79 |
| α-helix | 1214-1216 | 3 | |
| α-helix | 1217-1223 | 7 | |
| α-helix | 1226-1243 | 18 | |
| α-helix | 1250-1260 | 11 | |
| β-strand | 1263-1266 | 4 | 82 |
| β-strand | 1279-1281 | 3 | 82 |
| α-helix | 1282-1294 | 13 | |
| β-strand | 1302-1304 | 3 | 82 |
| α-helix | 1309-1312 | 4 | |
| α-helix | 1319-1325 | 7 | |
| α-helix | 1328-1338 | 11 | |
| β-strand | 1341-1342 | 2 | 51 |
| α-helix | 1347-1350 | 4 | |
| α-helix | 1356-1357 | 2 | |
| α-helix | 1363-1372 | 10 | |
Chain K: 4 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 7-13 | 7 | |
| α-helix | 16-31 | 16 | |
| α-helix | 46-55 | 10 | |
| α-helix | 61-74 | 14 | |
Chain L: 29 helices, 5 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 9-19 | 11 | |
| β-strand | 22-23 | 2 | 83 |
| α-helix | 24-30 | 7 | |
| α-helix | 38-51 | 14 | |
| α-helix | 54 | 1 | |
| β-strand | 55-56 | 2 | 83 |
| α-helix | 76-87 | 12 | |
| α-helix | 97-106 | 10 | |
| α-helix | 116-135 | 20 | |
| α-helix | 138-152 | 15 | |
| α-helix | 215-233 | 19 | |
| α-helix | 244-256 | 13 | |
| α-helix | 263-291 | 29 | |
| α-helix | 299-306 | 8 | |
| α-helix | 320-322 | 3 | |
| α-helix | 334-351 | 18 | |
| α-helix | 355-391 | 37 | |
| α-helix | 392-394 | 3 | |
| α-helix | 401-416 | 16 | |
| α-helix | 427-446 | 20 | |
| α-helix | 454-474 | 21 | |
| α-helix | 480-486 | 7 | |
| α-helix | 493-500 | 8 | |
| α-helix | 502-504 | 3 | |
| β-strand | 505-506 | 2 | 59 |
| β-strand | 510 | 1 | 84 |
| β-strand | 518 | 1 | 84 |
| α-helix | 519-521 | 3 | |
| α-helix | 528-530 | 3 | |
| α-helix | 535-549 | 15 | |
| α-helix | 553-562 | 10 | |
| α-helix | 573-580 | 8 | |
| α-helix | 584-599 | 16 | |
| α-helix | 605-608 | 4 | |
Chain M: 6 helices, 2 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 251-254 | 4 | |
| β-strand | 256 | 1 | 85 |
| α-helix | 264-272 | 9 | |
| β-strand | 277 | 1 | 85 |
| α-helix | 278-281 | 4 | |
| α-helix | 286-290 | 5 | |
| α-helix | 297-309 | 13 | |
| α-helix | 316-318 | 3 | |
Chain N: 4 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 4-26 | 23 | |
| α-helix | 42-45 | 4 | |
| α-helix | 46-51 | 6 | |
| α-helix | 59-70 | 12 | |
Molecules and chains
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|
| DNA-directed RNA polymerase subunit alpha | G, H, M | protein | 329 | Escherichia coli | P0A7Z4 (AlphaFold model) |
| DNA-directed RNA polymerase subunit beta | I | protein | 1342 | Escherichia coli | P0A8V2 (AlphaFold model) |
| DNA-directed RNA polymerase subunit beta' | J | protein | 1430 | Escherichia coli | P0A8T7 (AlphaFold model) |
| DNA-directed RNA polymerase subunit omega | K | protein | 91 | Escherichia coli | P0A800 (AlphaFold model) |
| RNA polymerase sigma factor RpoD | L | protein | 616 | Escherichia coli | P00579 |
| Protein TraR | N | protein | 72 | Escherichia coli | P41065 |
| DNA (85-mer) | O | DNA | 85 | Escherichia coli | |
| DNA (85-mer) | P | DNA | 85 | Escherichia coli | |
Sequence of entity 1 (G, H, M), FASTA
>6PSR_1 DNA-directed RNA polymerase subunit alpha (chains G, H, M)
MQGSVTEFLKPRLVDIEQVSSTHAKVTLEPLERGFGHTLGNALRRILLSSMPGCAVTEVE
IDGVLHEYSTKEGVQEDILEILLNLKGLAVRVQGKDEVILTLNKSGIGPVTAADITHDGD
VEIVKPQHVICHLTDENASISMRIKVQRGRGYVPASTRIHSEEDERPIGRLLVDACYSPV
ERIAYNVEAARVEQRTDLDKLVIEMETNGTIDPEEAIRRAATILAEQLEAFVDLRDVRQP
EVKEEKPEFDPILLRPVDDLELTVRSANCLKAEAIHYIGDLVQRTEVELLKTPNLGKKSL
TEIKDVLASRGLSLGMRLENWPPASIADE
Sequence of entity 2 (I), FASTA
>6PSR_2 DNA-directed RNA polymerase subunit beta (chains I)
MVYSYTEKKRIRKDFGKRPQVLDVPYLLSIQLDSFQKFIEQDPEGQYGLEAAFRSVFPIQ
SYSGNSELQYVSYRLGEPVFDVQECQIRGVTYSAPLRVKLRLVIYEREAPEGTVKDIKEQ
EVYMGEIPLMTDNGTFVINGTERVIVSQLHRSPGVFFDSDKGKTHSSGKVLYNARIIPYR
GSWLDFEFDPKDNLFVRIDRRRKLPATIILRALNYTTEQILDLFFEKVIFEIRDNKLQME
LVPERLRGETASFDIEANGKVYVEKGRRITARHIRQLEKDDVKLIEVPVEYIAGKVVAKD
YIDESTGELICAANMELSLDLLAKLSQSGHKRIETLFTNDLDHGPYISETLRVDPTNDRL
SALVEIYRMMRPGEPPTREAAESLFENLFFSEDRYDLSAVGRMKFNRSLLREEIEGSGIL
SKDDIIDVMKKLIDIRNGKGEVDDIDHLGNRRIRSVGEMAENQFRVGLVRVERAVKERLS
LGDLDTLMPQDMINAKPISAAVKEFFGSSQLSQFMDQNNPLSEITHKRRISALGPGGLTR
ERAGFEVRDVHPTHYGRVCPIETPEGPNIGLINSLSVYAQTNEYGFLETPYRKVTDGVVT
DEIHYLSAIEEGNYVIAQANSNLDEEGHFVEDLVTCRSKGESSLFSRDQVDYMDVSTQQV
VSVGASLIPFLEHDDANRALMGANMQRQAVPTLRADKPLVGTGMERAVAVDSGVTAVAKR
GGVVQYVDASRIVIKVNEDEMYPGEAGIDIYNLTKYTRSNQNTCINQMPCVSLGEPVERG
DVLADGPSTDLGELALGQNMRVAFMPWNGYNFEDSILVSERVVQEDRFTTIHIQELACVS
RDTKLGPEEITADIPNVGEAALSKLDESGIVYIGAEVTGGDILVGKVTPKGETQLTPEEK
LLRAIFGEKASDVKDSSLRVPNGVSGTVIDVQVFTRDGVEKDKRALEIEEMQLKQAKKDL
SEELQILEAGLFSRIRAVLVAGGVEAEKLDKLPRDRWLELGLTDEEKQNQLEQLAEQYDE
LKHEFEKKLEAKRRKITQGDDLAPGVLKIVKVYLAVKRRIQPGDKMAGRHGNKGVISKIN
PIEDMPYDENGTPVDIVLNPLGVPSRMNIGQILETHLGMAAKGIGDKINAMLKQQQEVAK
LREFIQRAYDLGADVRQKVDLSTFSDEEVMRLAENLRKGMPIATPVFDGAKEAEIKELLK
LGDLPTSGQIRLYDGRTGEQFERPVTVGYMYMLKLNHLVDDKMHARSTGSYSLVTQQPLG
GKAQFGGQRFGEMEVWALEAYGAAYTLQEMLTVKSDDVNGRTKMYKNIVDGNHQMEPGMP
ESFNVLLKEIRSLGINIELEDE
Sequence of entity 3 (J), FASTA
>6PSR_3 DNA-directed RNA polymerase subunit beta' (chains J)
VKDLLKFLKAQTKTEEFDAIKIALASPDMIRSWSFGEVKKPETINYRTFKPERDGLFCAR
IFGPVKDYECLCGKYKRLKHRGVICEKCGVEVTQTKVRRERMGHIELASPTAHIWFLKSL
PSRIGLLLDMPLRDIERVLYFESYVVIEGGMTNLERQQILTEEQYLDALEEFGDEFDAKM
GAEAIQALLKSMDLEQECEQLREELNETNSETKRKKLTKRIKLLEAFVQSGNKPEWMILT
VLPVLPPDLRPLVPLDGGRFATSDLNDLYRRVINRNNRLKRLLDLAAPDIIVRNEKRMLQ
EAVDALLDNGRRGRAITGSNKRPLKSLADMIKGKQGRFRQNLLGKRVDYSGRSVITVGPY
LRLHQCGLPKKMALELFKPFIYGKLELRGLATTIKAAKKMVEREEAVVWDILDEVIREHP
VLLNRAPTLHRLGIQAFEPVLIEGKAIQLHPLVCAAYNADFDGDQMAVHVPLTLEAQLEA
RALMMSTNNILSPANGEPIIVPSQDVVLGLYYMTRDCVNAKGEGMVLTGPKEAERLYRSG
LASLHARVKVRITEYEKDANGELVAKTSLKDTTVGRAILWMIVPKGLPYSIVNQALGKKA
ISKMLNTCYRILGLKPTVIFADQIMYTGFAYAARSGASVGIDDMVIPEKKHEIISEAEAE
VAEIQEQFQSGLVTAGERYNKVIDIWAAANDRVSKAMMDNLQTETVINRDGQEEKQVSFN
SIYMMADSGARGSAAQIRQLAGMRGLMAKPDGSIIETPITANFREGLNVLQYFISTHGAR
KGLADTALKTANSGYLTRRLVDVAQDLVVTEDDCGTHEGIMMTPVIEGGDVKEPLRDRVL
GRVTAEDVLKPGTADILVPRNTLLHEQWCDLLEENSVDAVKVRSVVSCDTDFGVCAHCYG
RDLARGHIINKGEAIGVIAAQSIGEPGTQLTMRTFHIGGAASRAAAESSIQVKNKGSIKL
SNVKSVVNSSGKLVITSRNTELKLIDEFGRTKESYKVPYGAVLAKGDGEQVAGGETVANW
DPHTMPVITEVSGFVRFTDMIDGQTITRQTDELTGLSSLVVLDSAERTAGGKDLRPALKI
VDAQGNDVLIPGTDMPAQYFLPGKAIVQLEDGVQISSGDTLARIPQESGGTKDITGGLPR
VADLFEARRPKEPAILAEISGIVSFGKETKGKRRLVITPVDGSDPYEEMIPKWRQLNVFE
GERVERGDVISDGPEAPHDILRLRGVHAVTRYIVNEVQDVYRLQGVKINDKHIEVIVRQM
LRKATIVNAGSSDFLEGEQVEYSRVKIANRELEANGKVGATYSRDLLGITKASLATESFI
SAASFQETTRVLTEAAVAGKRDELRGLKENVIVGRLIPAGTGYAYHQDRMRRRAAGEAPA
APQVTAEDASASLAELLNAGLGGSDNELELEVLFQGPSSGHHHHHHHHHH
Sequence of entity 4 (K), FASTA
>6PSR_4 DNA-directed RNA polymerase subunit omega (chains K)
MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN
NQILDVRERQEQQEQEAAELQAVTAIAEGRR
Sequence of entity 5 (L), FASTA
>6PSR_5 RNA polymerase sigma factor RpoD (chains L)
SEFMEQNPQSQLKLLVTRGKEQGYLTYAEVNDHLPEDIVDSDQIEDIIQMINDMGIQVME
EAPDADDLMLAENTADEDAAEAAAQVLSSVESEIGRTTDPVRMYMREMGTVELLTREGEI
DIAKRIEDGINQVQCSVAEYPEAITYLLEQYDRVEAEEARLSDLITGFVDPNAEEDLAPT
ATHVGSELSQEDLDDDEDEDEEDGDDDSADDDNSIDPELAREKFAELRAQYVVTRDTIKA
KGRSHATAQEEILKLSEVFKQFRLVPKQFDYLVNSMRVMMDRVRTQERLIMKLCVEQCKM
PKKNFITLFTGNETSDTWFNAAIAMNKPWSEKLHDVSEEVHRALQKLQQIEEETGLTIEQ
VKDINRRMSIGEAKARRAKKEMVEANLRLVISIAKKYTNRGLQFLDLIQEGNIGLMKAVD
KFEYRRGYKFSTYATWWIRQAITRSIADQARTIRIPVHMIETINKLNRISRQMLQEMGRE
PTPEELAERMLMPEDKIRKVLKIAKEPISMETPIGDDEDSHLGDFIEDTTLELPLDSATT
ESLRAATHDVLAGLTAREAKVLRMRFGIDMNTDYTLEEVGKQFDVTRERIRQIEAKALRK
LRHPSRSEVLRSFLDD
Sequence of entity 6 (N), FASTA
>6PSR_6 Protein TraR (chains N)
SDEADEAYSVTEQLTMTGINRIRQKINAHGIPVYLCEACGNPIPEARRKIFPGVTLCVEC
QAYQERQRKHYA
Sequence of entity 7 (O), FASTA
>6PSR_7 DNA (85-MER) (chains O)
GGCGGCGCTTATTTGCACAAATCCATTGACAAAAGAAGGCTAAAAGGGCATATTCCTCGG
CCTTTGAATTGTCCATATAGAACGC
Sequence of entity 8 (P), FASTA
>6PSR_8 DNA (85-MER) (chains P)
GCGTTCTATATGGACAATTCAAAGGCCGAGGAATATGCCCTTTTAGCCTTCTTTTGTCAA
TGGATTTGTGCAAATAAGCGCCGCC
Ligands and cofactors
| ID | Name | Formula | Copies |
|---|
| 1N7 | Chapso | C32 H59 N2 O8 S | 4 |
| ZN | Zinc ion | Zn | 3 |
| MG | Magnesium ion | Mg | 1 |
Primary citation
Stepwise Promoter Melting by Bacterial RNA Polymerase. Chen, J., Chiu, C., Gopalkrishnan, S. et al. Mol Cell (2020) 78:275. DOI 10.1016/j.molcel.2020.02.017 · PubMed
Other PDB entries of the same protein (UniProt P0A7Z4 (AlphaFold model), which also has an AlphaFold model), best resolution first:
- 3K4G 2.05 Å, Crystal structure of E. coli RNA polymerase alpha subunit C-terminal domain
- 8FVW 2.1 Å, CryoEM structure of E.coli transcription elongation complex bound to ppGpp
- 8FVR 2.42 Å, CryoEM structure of E.coli transcription elongation complex
- 9ZP4 2.42 Å, E. coli RNA polymerase elongation complex containing the unnatural dZ:PTP base pair in a…
- 8HKC 2.49 Å, Cryo-EM structure of E. coli RNAP sigma32 complex
- 1BDF 2.5 Å, Structure of escherichia coli RNA polymerase alpha subunit N-terminal domain
- 6XL5 2.5 Å, Cryo-EM structure of EcmrR-RNAP-promoter open complex (EcmrR-RPo)
- 6XL9 2.5 Å, Cryo-EM structure of EcmrR-RNAP-promoter initial transcribing complex with 3-nt RNA…
- 12EC 2.6 Å, Half-translocated RNA polymerase elemental paused elongation complex, swiveled (ePEC…
- 8F1J 2.6 Å, SigN RNA polymerase early-melted intermediate bound to mismatch DNA fragment dhsU36mm2…
- 8PIB 2.6 Å, autoinhibited RfaH bound to E. coli transcription complex paused at ops site (encounter…
- 9MSF 2.6 Å, de novo SigN RNA polymerase transcription initiation intermediate with post-catalytic…
Browse structure collections
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