7MEI: Composite structure of EC+EC
Composite structure of EC+EC. Determined by electron microscopy at 3.54 Å resolution. Released 2 Mar 2022.
- Method
- Electron microscopy
- Resolution
- 3.54 Å
- Organism
- Saccharomyces cerevisiae
- Chains
- 30
- Atoms
- 69,281
- Mol. weight
- 1213.88 kDa
- Ligands
- MG, ZN
- Released
- 2 Mar 2022
Explore 7MEI in 3D
Show helices and sheets
RCSB PDB
PDBe
Secondary structure: helices and β-sheets
7MEI contains 343 α-helices and 458 β-strands across 26 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 a: 68 helices, 74 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 11 | 1 | 1 |
| β-strand | 17-18 | 2 | 2 |
| α-helix | 24-30 | 7 | |
| β-strand | 34 | 1 | 3 |
| β-strand | 82-83 | 2 | 3 |
| β-strand | 90 | 1 | 4 |
| α-helix | 93-95 | 3 | |
| α-helix | 97-105 | 9 | |
| β-strand | 106-107 | 2 | 5 |
| β-strand | 112-113 | 2 | 5 |
| α-helix | 121-127 | 7 | |
| α-helix | 133-141 | 9 | |
| β-strand | 147 | 1 | 6 |
| β-strand | 170 | 1 | 6 |
| α-helix | 171-172 | 2 | |
| β-strand | 173-177 | 5 | 7 |
| β-strand | 180-185 | 6 | 7 |
| β-strand | 192 | 1 | 8 |
| β-strand | 196 | 1 | 8 |
| α-helix | 197 | 1 | |
| β-strand | 198-201 | 4 | 7 |
| α-helix | 202-203 | 2 | |
| α-helix | 204-213 | 10 | |
| α-helix | 216-221 | 6 | |
| α-helix | 231-234 | 4 | |
| β-strand | 236 | 1 | 4 |
| β-strand | 240-241 | 2 | 3 |
| α-helix | 244-246 | 3 | |
| β-strand | 249 | 1 | 9 |
| β-strand | 259 | 1 | 9 |
| α-helix | 261-281 | 21 | |
| α-helix | 289-304 | 16 | |
| β-strand | 315 | 1 | 10 |
| β-strand | 321 | 1 | 10 |
| α-helix | 322 | 1 | |
| α-helix | 325-329 | 5 | |
| β-strand | 343-344 | 2 | 11 |
| β-strand | 348-352 | 5 | 12 |
| β-strand | 353-354 | 2 | 13 |
| β-strand | 365-367 | 3 | 13 |
| α-helix | 368-373 | 6 | |
| β-strand | 376-379 | 4 | 14 |
| α-helix | 385-394 | 10 | |
| β-strand | 402-406 | 5 | 14 |
| β-strand | 412-414 | 3 | 14 |
| β-strand | 431-434 | 4 | 14 |
| β-strand | 442-445 | 4 | 12 |
| β-strand | 455-458 | 4 | 12 |
| β-strand | 461-463 | 3 | 13 |
| β-strand | 468-469 | 2 | 13 |
| α-helix | 472-474 | 3 | |
| α-helix | 475-478 | 4 | |
| β-strand | 486-490 | 5 | 12 |
| α-helix | 495-501 | 7 | |
| β-strand | 506 | 1 | 12 |
| α-helix | 507-510 | 4 | |
| β-strand | 512-513 | 2 | 15 |
| β-strand | 518-519 | 2 | 15 |
| α-helix | 525-534 | 10 | |
| α-helix | 543-552 | 10 | |
| α-helix | 560-563 | 4 | |
| β-strand | 565 | 1 | 16 |
| β-strand | 571 | 1 | 16 |
| α-helix | 574-580 | 7 | |
| α-helix | 583 | 1 | |
| β-strand | 587-589 | 3 | 17 |
| β-strand | 606-608 | 3 | 17 |
| β-strand | 611-612 | 2 | 17 |
| α-helix | 619-622 | 4 | |
| α-helix | 629-636 | 8 | |
| α-helix | 641-660 | 20 | |
| β-strand | 663 | 1 | 18 |
| α-helix | 666-668 | 3 | |
| α-helix | 673-698 | 26 | |
| α-helix | 710-736 | 27 | |
| α-helix | 742-748 | 7 | |
| α-helix | 755-762 | 8 | |
| β-strand | 767 | 1 | 19 |
| β-strand | 799 | 1 | 19 |
| α-helix | 810-842 | 33 | |
| β-strand | 849-850 | 2 | 20 |
| β-strand | 856-857 | 2 | 20 |
| β-strand | 863-865 | 3 | 20 |
| α-helix | 868-870 | 3 | |
| β-strand | 873 | 1 | 21 |
| β-strand | 879 | 1 | 22 |
| α-helix | 881 | 1 | |
| β-strand | 882 | 1 | 23 |
| α-helix | 883 | 1 | |
| α-helix | 890-897 | 8 | |
| α-helix | 907-909 | 3 | |
| α-helix | 910-912 | 3 | |
| β-strand | 913 | 1 | 24 |
| α-helix | 923-946 | 24 | |
| β-strand | 953 | 1 | 23 |
| β-strand | 956 | 1 | 22 |
| α-helix | 961-969 | 9 | |
| β-strand | 979 | 1 | 24 |
| α-helix | 983-996 | 14 | |
| α-helix | 1005-1014 | 10 | |
| α-helix | 1016-1025 | 10 | |
| α-helix | 1028-1030 | 3 | |
| α-helix | 1031-1035 | 5 | |
| α-helix | 1039-1055 | 17 | |
| β-strand | 1057 | 1 | 21 |
| α-helix | 1058-1059 | 2 | |
| α-helix | 1064-1077 | 14 | |
| α-helix | 1097-1105 | 9 | |
| β-strand | 1116-1119 | 4 | 25 |
| β-strand | 1120 | 1 | 26 |
| α-helix | 1128-1138 | 11 | |
| β-strand | 1142 | 1 | 27 |
| α-helix | 1143-1146 | 4 | |
| β-strand | 1147-1154 | 8 | 28 |
| α-helix | 1168-1172 | 5 | |
| β-strand | 1188 | 1 | 29 |
| β-strand | 1191-1197 | 7 | 28 |
| α-helix | 1199-1204 | 6 | |
| α-helix | 1209-1219 | 11 | |
| β-strand | 1224-1228 | 5 | 28 |
| β-strand | 1236-1242 | 7 | 28 |
| β-strand | 1243 | 1 | 29 |
| α-helix | 1256-1268 | 13 | |
| β-strand | 1272 | 1 | 27 |
| β-strand | 1283-1292 | 10 | 25 |
| β-strand | 1298-1307 | 10 | 25 |
| α-helix | 1316-1318 | 3 | |
| β-strand | 1322 | 1 | 26 |
| β-strand | 1328-1329 | 2 | 25 |
| α-helix | 1332-1338 | 7 | |
| α-helix | 1341-1357 | 17 | |
| α-helix | 1365-1376 | 12 | |
| β-strand | 1377 | 1 | 30 |
| β-strand | 1380 | 1 | 30 |
| α-helix | 1396-1400 | 5 | |
| α-helix | 1407-1415 | 9 | |
| β-strand | 1418-1419 | 2 | 2 |
| α-helix | 1424-1430 | 7 | |
| β-strand | 1437 | 1 | 31 |
| α-helix | 1438-1440 | 3 | |
| β-strand | 1443-1445 | 3 | 32 |
| α-helix | 1448-1452 | 5 | |
Chain A: 67 helices, 65 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 11 | 1 | 77 |
| β-strand | 17-18 | 2 | 78 |
| α-helix | 24-30 | 7 | |
| β-strand | 34 | 1 | 79 |
| β-strand | 83-90 | 8 | 79 |
| α-helix | 93-95 | 3 | |
| α-helix | 96-105 | 10 | |
| β-strand | 106-107 | 2 | 80 |
| β-strand | 112-113 | 2 | 80 |
| α-helix | 120-127 | 8 | |
| α-helix | 133-141 | 9 | |
| β-strand | 147 | 1 | 81 |
| β-strand | 170 | 1 | 81 |
| α-helix | 171-172 | 2 | |
| β-strand | 173-177 | 5 | 82 |
| β-strand | 180-185 | 6 | 82 |
| β-strand | 198-201 | 4 | 82 |
| α-helix | 204-212 | 9 | |
| α-helix | 216-221 | 6 | |
| α-helix | 231-234 | 4 | |
| β-strand | 236-240 | 5 | 79 |
| α-helix | 244-246 | 3 | |
| α-helix | 261-281 | 21 | |
| α-helix | 288-304 | 17 | |
| β-strand | 315 | 1 | 83 |
| β-strand | 321 | 1 | 83 |
| α-helix | 322-323 | 2 | |
| α-helix | 325-329 | 5 | |
| β-strand | 343-345 | 3 | 84 |
| β-strand | 348-352 | 5 | 85 |
| β-strand | 353-355 | 3 | 86 |
| β-strand | 363-367 | 5 | 86 |
| α-helix | 368-373 | 6 | |
| β-strand | 376-379 | 4 | 87 |
| α-helix | 385-394 | 10 | |
| β-strand | 402-406 | 5 | 87 |
| β-strand | 412-414 | 3 | 87 |
| β-strand | 431-434 | 4 | 87 |
| β-strand | 442-445 | 4 | 85 |
| α-helix | 449 | 1 | |
| β-strand | 455-458 | 4 | 85 |
| β-strand | 459-463 | 5 | 86 |
| β-strand | 468-470 | 3 | 86 |
| α-helix | 475-478 | 4 | |
| β-strand | 486-490 | 5 | 85 |
| α-helix | 495-504 | 10 | |
| β-strand | 506 | 1 | 85 |
| α-helix | 507-510 | 4 | |
| β-strand | 512-513 | 2 | 88 |
| β-strand | 518-519 | 2 | 88 |
| α-helix | 525-534 | 10 | |
| α-helix | 543-552 | 10 | |
| α-helix | 560-563 | 4 | |
| β-strand | 565 | 1 | 89 |
| β-strand | 571 | 1 | 89 |
| α-helix | 574-581 | 8 | |
| α-helix | 583 | 1 | |
| β-strand | 588-589 | 2 | 90 |
| β-strand | 605-608 | 4 | 90 |
| β-strand | 611-615 | 5 | 90 |
| α-helix | 619-622 | 4 | |
| α-helix | 629-636 | 8 | |
| α-helix | 641-660 | 20 | |
| β-strand | 663 | 1 | 91 |
| α-helix | 666-669 | 4 | |
| α-helix | 673-698 | 26 | |
| α-helix | 710-736 | 27 | |
| α-helix | 742-748 | 7 | |
| α-helix | 755-762 | 8 | |
| α-helix | 774-775 | 2 | |
| β-strand | 779 | 1 | 92 |
| β-strand | 782 | 1 | 92 |
| α-helix | 810-844 | 35 | |
| β-strand | 849-850 | 2 | 93 |
| β-strand | 856-857 | 2 | 93 |
| β-strand | 863-865 | 3 | 93 |
| α-helix | 868-870 | 3 | |
| β-strand | 873 | 1 | 94 |
| β-strand | 879-882 | 4 | 95 |
| α-helix | 883 | 1 | |
| α-helix | 890-897 | 8 | |
| α-helix | 907-909 | 3 | |
| β-strand | 913 | 1 | 96 |
| α-helix | 914-916 | 3 | |
| α-helix | 924-946 | 23 | |
| β-strand | 953-956 | 4 | 95 |
| α-helix | 961-971 | 11 | |
| β-strand | 979 | 1 | 96 |
| α-helix | 983-996 | 14 | |
| α-helix | 1005-1014 | 10 | |
| α-helix | 1016-1025 | 10 | |
| α-helix | 1028-1030 | 3 | |
| α-helix | 1031-1035 | 5 | |
| α-helix | 1039-1055 | 17 | |
| β-strand | 1057 | 1 | 94 |
| α-helix | 1058-1059 | 2 | |
| α-helix | 1064-1073 | 10 | |
| α-helix | 1074-1076 | 3 | |
| α-helix | 1097-1105 | 9 | |
| β-strand | 1116-1119 | 4 | 97 |
| β-strand | 1120 | 1 | 98 |
| α-helix | 1128-1138 | 11 | |
| β-strand | 1139 | 1 | 99 |
| β-strand | 1142 | 1 | 100 |
| α-helix | 1143-1146 | 4 | |
| β-strand | 1147-1154 | 8 | 101 |
| α-helix | 1164-1166 | 3 | |
| α-helix | 1168-1173 | 6 | |
| β-strand | 1188 | 1 | 102 |
| β-strand | 1191-1197 | 7 | 101 |
| α-helix | 1199-1204 | 6 | |
| α-helix | 1209-1220 | 12 | |
| β-strand | 1224-1228 | 5 | 101 |
| β-strand | 1236-1242 | 7 | 101 |
| β-strand | 1243 | 1 | 102 |
| α-helix | 1256-1270 | 15 | |
| β-strand | 1272 | 1 | 100 |
| β-strand | 1276 | 1 | 99 |
| β-strand | 1283-1292 | 10 | 97 |
| β-strand | 1298-1307 | 10 | 97 |
| β-strand | 1322 | 1 | 98 |
| β-strand | 1328-1329 | 2 | 97 |
| α-helix | 1332-1338 | 7 | |
| α-helix | 1341-1357 | 17 | |
| α-helix | 1365-1376 | 12 | |
| α-helix | 1396-1400 | 5 | |
| α-helix | 1405-1415 | 11 | |
| β-strand | 1418-1419 | 2 | 78 |
| α-helix | 1424-1430 | 7 | |
| α-helix | 1437-1439 | 3 | |
| β-strand | 1441-1445 | 5 | 103 |
| α-helix | 1447-1452 | 6 | |
Chain b: 49 helices, 80 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 28-30 | 3 | |
| α-helix | 31-41 | 11 | |
| α-helix | 45-56 | 12 | |
| α-helix | 59-65 | 7 | |
| β-strand | 69-73 | 5 | 34 |
| β-strand | 84 | 1 | 35 |
| β-strand | 86-90 | 5 | 34 |
| β-strand | 92-97 | 6 | 36 |
| β-strand | 101-103 | 3 | 37 |
| α-helix | 108 | 1 | |
| β-strand | 109-111 | 3 | 37 |
| α-helix | 114-120 | 7 | |
| β-strand | 125-132 | 8 | 36 |
| β-strand | 140 | 1 | 35 |
| β-strand | 165-171 | 7 | 36 |
| α-helix | 180-183 | 4 | |
| α-helix | 186-191 | 6 | |
| β-strand | 203-204 | 2 | 38 |
| β-strand | 209-210 | 2 | 38 |
| β-strand | 214-218 | 5 | 39 |
| β-strand | 224-227 | 4 | 40 |
| β-strand | 234-240 | 7 | 40 |
| α-helix | 247-249 | 3 | |
| β-strand | 254-259 | 6 | 40 |
| β-strand | 268-273 | 6 | 40 |
| β-strand | 276-281 | 6 | 40 |
| α-helix | 282-289 | 8 | |
| α-helix | 294-301 | 8 | |
| α-helix | 309-320 | 12 | |
| α-helix | 321-323 | 3 | |
| α-helix | 327-332 | 6 | |
| α-helix | 349-358 | 10 | |
| α-helix | 371-389 | 19 | |
| β-strand | 404-407 | 4 | 39 |
| α-helix | 409-429 | 21 | |
| α-helix | 445-463 | 19 | |
| α-helix | 481 | 1 | |
| β-strand | 482 | 1 | 38 |
| α-helix | 483-484 | 2 | |
| α-helix | 488-495 | 8 | |
| β-strand | 498-499 | 2 | 39 |
| α-helix | 516-518 | 3 | |
| β-strand | 522 | 1 | 41 |
| β-strand | 537 | 1 | 39 |
| β-strand | 539 | 1 | 41 |
| β-strand | 544-545 | 2 | 42 |
| α-helix | 552-560 | 9 | |
| β-strand | 564 | 1 | 43 |
| α-helix | 566-568 | 3 | |
| β-strand | 578-582 | 5 | 43 |
| β-strand | 585-590 | 6 | 43 |
| α-helix | 593-606 | 14 | |
| β-strand | 614-618 | 5 | 43 |
| β-strand | 623-627 | 5 | 43 |
| β-strand | 633-639 | 7 | 42 |
| β-strand | 640-641 | 2 | 44 |
| β-strand | 650-651 | 2 | 44 |
| α-helix | 655-667 | 13 | |
| α-helix | 681-687 | 7 | |
| β-strand | 690-694 | 5 | 42 |
| α-helix | 695-698 | 4 | |
| β-strand | 703-704 | 2 | 42 |
| β-strand | 740-741 | 2 | 42 |
| α-helix | 745-748 | 4 | |
| α-helix | 751-755 | 5 | |
| α-helix | 759-761 | 3 | |
| β-strand | 762 | 1 | 45 |
| α-helix | 764-774 | 11 | |
| β-strand | 777 | 1 | 46 |
| β-strand | 792-796 | 5 | 47 |
| α-helix | 809-812 | 4 | |
| β-strand | 821-827 | 7 | 48 |
| β-strand | 828 | 1 | 18 |
| β-strand | 839-842 | 4 | 48 |
| α-helix | 843-848 | 6 | |
| β-strand | 853-862 | 10 | 47 |
| β-strand | 873 | 1 | 49 |
| α-helix | 890-892 | 3 | |
| β-strand | 898 | 1 | 50 |
| α-helix | 899-900 | 2 | |
| β-strand | 904-905 | 2 | 47 |
| β-strand | 910-912 | 3 | 50 |
| β-strand | 915 | 1 | 49 |
| β-strand | 936 | 1 | 49 |
| β-strand | 939-940 | 2 | 50 |
| α-helix | 941-942 | 2 | |
| β-strand | 947-955 | 9 | 47 |
| β-strand | 963-969 | 7 | 47 |
| β-strand | 972 | 1 | 47 |
| β-strand | 978 | 1 | 51 |
| β-strand | 979 | 1 | 52 |
| β-strand | 980-981 | 2 | 51 |
| β-strand | 989 | 1 | 52 |
| β-strand | 990-994 | 5 | 48 |
| α-helix | 996-998 | 3 | |
| β-strand | 1001 | 1 | 53 |
| β-strand | 1010-1012 | 3 | 48 |
| α-helix | 1014-1016 | 3 | |
| β-strand | 1022 | 1 | 45 |
| α-helix | 1024-1038 | 15 | |
| α-helix | 1052-1062 | 11 | |
| β-strand | 1069-1070 | 2 | 54 |
| β-strand | 1073 | 1 | 53 |
| α-helix | 1079 | 1 | |
| β-strand | 1080 | 1 | 53 |
| α-helix | 1081 | 1 | |
| β-strand | 1085-1086 | 2 | 54 |
| β-strand | 1087-1092 | 6 | 48 |
| β-strand | 1093-1098 | 6 | 51 |
| α-helix | 1099-1102 | 4 | |
| β-strand | 1104-1106 | 3 | 12 |
| β-strand | 1111 | 1 | 55 |
| β-strand | 1118 | 1 | 55 |
| α-helix | 1119 | 1 | |
| α-helix | 1128 | 1 | |
| β-strand | 1129-1130 | 2 | 11 |
| α-helix | 1132-1141 | 10 | |
| β-strand | 1143 | 1 | 31 |
| α-helix | 1144-1152 | 9 | |
| β-strand | 1158-1162 | 5 | 1 |
| β-strand | 1163 | 1 | 56 |
| β-strand | 1168 | 1 | 56 |
| β-strand | 1174 | 1 | 57 |
| β-strand | 1179 | 1 | 57 |
| β-strand | 1182 | 1 | 58 |
| β-strand | 1187 | 1 | 58 |
| β-strand | 1192-1196 | 5 | 1 |
| α-helix | 1198-1209 | 12 | |
| β-strand | 1215-1216 | 2 | 2 |
Chain B: 50 helices, 77 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 27-29 | 3 | |
| α-helix | 30-41 | 12 | |
| α-helix | 45-56 | 12 | |
| α-helix | 60-65 | 6 | |
| β-strand | 68-70 | 3 | 104 |
| β-strand | 73 | 1 | 105 |
| β-strand | 86 | 1 | 105 |
| β-strand | 89-91 | 3 | 104 |
| β-strand | 92-97 | 6 | 106 |
| β-strand | 101-103 | 3 | 107 |
| α-helix | 108 | 1 | |
| β-strand | 109-111 | 3 | 107 |
| α-helix | 114-120 | 7 | |
| β-strand | 125-132 | 8 | 106 |
| β-strand | 165-171 | 7 | 106 |
| α-helix | 180-183 | 4 | |
| α-helix | 186-191 | 6 | |
| β-strand | 203-204 | 2 | 108 |
| β-strand | 209-210 | 2 | 108 |
| β-strand | 214-218 | 5 | 109 |
| β-strand | 224-226 | 3 | 110 |
| β-strand | 234-240 | 7 | 110 |
| β-strand | 254-259 | 6 | 110 |
| β-strand | 268-272 | 5 | 110 |
| β-strand | 280-281 | 2 | 110 |
| α-helix | 282-289 | 8 | |
| α-helix | 294-301 | 8 | |
| α-helix | 309-320 | 12 | |
| α-helix | 327-331 | 5 | |
| α-helix | 349-354 | 6 | |
| α-helix | 355-359 | 5 | |
| α-helix | 371-389 | 19 | |
| β-strand | 404-407 | 4 | 109 |
| α-helix | 409-429 | 21 | |
| α-helix | 445-463 | 19 | |
| α-helix | 481 | 1 | |
| β-strand | 482 | 1 | 108 |
| α-helix | 483-484 | 2 | |
| α-helix | 488-495 | 8 | |
| β-strand | 497 | 1 | 111 |
| β-strand | 498-499 | 2 | 109 |
| α-helix | 516-518 | 3 | |
| β-strand | 522 | 1 | 112 |
| β-strand | 538 | 1 | 111 |
| β-strand | 539 | 1 | 112 |
| β-strand | 544-547 | 4 | 113 |
| α-helix | 552-560 | 9 | |
| β-strand | 564-565 | 2 | 114 |
| α-helix | 566-568 | 3 | |
| β-strand | 578-582 | 5 | 114 |
| β-strand | 585-590 | 6 | 114 |
| α-helix | 593-605 | 13 | |
| β-strand | 614-618 | 5 | 114 |
| β-strand | 623-627 | 5 | 114 |
| β-strand | 630-635 | 6 | 113 |
| β-strand | 638-639 | 2 | 115 |
| β-strand | 640-641 | 2 | 116 |
| β-strand | 650-651 | 2 | 116 |
| α-helix | 655-666 | 12 | |
| α-helix | 681-686 | 6 | |
| β-strand | 690 | 1 | 115 |
| β-strand | 693-694 | 2 | 113 |
| α-helix | 697-700 | 4 | |
| β-strand | 703-704 | 2 | 115 |
| β-strand | 740-741 | 2 | 115 |
| α-helix | 745-748 | 4 | |
| α-helix | 751-754 | 4 | |
| α-helix | 759-761 | 3 | |
| β-strand | 762 | 1 | 117 |
| α-helix | 764-774 | 11 | |
| α-helix | 784-786 | 3 | |
| β-strand | 792-796 | 5 | 118 |
| β-strand | 800 | 1 | 119 |
| α-helix | 808-811 | 4 | |
| β-strand | 822-827 | 6 | 120 |
| β-strand | 828 | 1 | 91 |
| β-strand | 838-842 | 5 | 120 |
| α-helix | 843-848 | 6 | |
| β-strand | 853-862 | 10 | 118 |
| β-strand | 865 | 1 | 121 |
| β-strand | 871 | 1 | 121 |
| α-helix | 890-892 | 3 | |
| β-strand | 893 | 1 | 122 |
| β-strand | 899 | 1 | 122 |
| α-helix | 900 | 1 | |
| β-strand | 904 | 1 | 118 |
| β-strand | 910 | 1 | 123 |
| α-helix | 938-939 | 2 | |
| β-strand | 940 | 1 | 123 |
| α-helix | 941-942 | 2 | |
| β-strand | 948-955 | 8 | 118 |
| β-strand | 963-969 | 7 | 118 |
| β-strand | 972 | 1 | 118 |
| β-strand | 979-981 | 3 | 120 |
| β-strand | 988-994 | 7 | 120 |
| α-helix | 996-998 | 3 | |
| β-strand | 1001 | 1 | 124 |
| β-strand | 1010-1012 | 3 | 120 |
| α-helix | 1016-1020 | 5 | |
| β-strand | 1022 | 1 | 117 |
| α-helix | 1024-1038 | 15 | |
| α-helix | 1052-1061 | 10 | |
| β-strand | 1069-1070 | 2 | 125 |
| β-strand | 1073 | 1 | 124 |
| α-helix | 1079 | 1 | |
| β-strand | 1080 | 1 | 124 |
| α-helix | 1081 | 1 | |
| β-strand | 1085-1086 | 2 | 125 |
| β-strand | 1087-1091 | 5 | 120 |
| β-strand | 1093-1094 | 2 | 120 |
| α-helix | 1099-1102 | 4 | |
| β-strand | 1104-1106 | 3 | 85 |
| β-strand | 1111 | 1 | 126 |
| β-strand | 1118 | 1 | 126 |
| α-helix | 1119-1120 | 2 | |
| β-strand | 1128-1130 | 3 | 84 |
| α-helix | 1132-1141 | 10 | |
| α-helix | 1144-1152 | 9 | |
| β-strand | 1158-1162 | 5 | 77 |
| β-strand | 1163 | 1 | 127 |
| β-strand | 1168 | 1 | 127 |
| β-strand | 1174 | 1 | 128 |
| α-helix | 1175-1177 | 3 | |
| β-strand | 1179 | 1 | 128 |
| β-strand | 1192-1196 | 5 | 77 |
| α-helix | 1198-1209 | 12 | |
| β-strand | 1215-1216 | 2 | 78 |
Chain c: 10 helices, 14 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 8-13 | 6 | 59 |
| β-strand | 17-22 | 6 | 59 |
| α-helix | 27-39 | 13 | |
| β-strand | 42 | 1 | 60 |
| β-strand | 45-51 | 7 | 61 |
| α-helix | 60-67 | 8 | |
| β-strand | 72-74 | 3 | 62 |
| α-helix | 77-79 | 3 | |
| α-helix | 93-95 | 3 | |
| β-strand | 97-104 | 8 | 61 |
| β-strand | 111-112 | 2 | 63 |
| α-helix | 115-117 | 3 | |
| β-strand | 119-120 | 2 | 61 |
| β-strand | 129-132 | 4 | 62 |
| α-helix | 133 | 1 | |
| β-strand | 146-147 | 2 | 63 |
| β-strand | 152-160 | 9 | 61 |
| β-strand | 163 | 1 | 60 |
| α-helix | 168-170 | 3 | |
| β-strand | 176-179 | 4 | 59 |
| α-helix | 205-208 | 4 | |
| α-helix | 218-219 | 2 | |
| β-strand | 228-233 | 6 | 59 |
| α-helix | 240-265 | 26 | |
Chain C: 8 helices, 14 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 8-13 | 6 | 129 |
| β-strand | 17-22 | 6 | 129 |
| α-helix | 27-39 | 13 | |
| β-strand | 42 | 1 | 130 |
| β-strand | 45-54 | 10 | 131 |
| α-helix | 60-67 | 8 | |
| β-strand | 72-74 | 3 | 132 |
| α-helix | 93-95 | 3 | |
| β-strand | 97-104 | 8 | 131 |
| β-strand | 111-114 | 4 | 133 |
| α-helix | 115-117 | 3 | |
| β-strand | 119-120 | 2 | 131 |
| β-strand | 129-132 | 4 | 132 |
| α-helix | 133 | 1 | |
| β-strand | 143-147 | 5 | 133 |
| β-strand | 152-160 | 9 | 131 |
| β-strand | 163 | 1 | 130 |
| α-helix | 168-170 | 3 | |
| β-strand | 176-179 | 4 | 129 |
| α-helix | 211-212 | 2 | |
| β-strand | 228-233 | 6 | 129 |
| α-helix | 240-265 | 26 | |
Chain d: 9 helices, 3 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 36-37 | 2 | 64 |
| β-strand | 45-46 | 2 | 64 |
| β-strand | 49 | 1 | 32 |
| α-helix | 52-74 | 23 | |
| α-helix | 119-133 | 15 | |
| α-helix | 139-151 | 13 | |
| α-helix | 157-170 | 14 | |
| α-helix | 174-178 | 5 | |
| α-helix | 179-182 | 4 | |
| α-helix | 188-194 | 7 | |
| α-helix | 196-201 | 6 | |
| α-helix | 204-215 | 12 | |
Chain D: 9 helices, 3 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 36-38 | 3 | 134 |
| β-strand | 44-46 | 3 | 134 |
| β-strand | 48-49 | 2 | 103 |
| α-helix | 52-75 | 24 | |
| α-helix | 119-133 | 15 | |
| α-helix | 139-151 | 13 | |
| α-helix | 157-170 | 14 | |
| α-helix | 174-182 | 9 | |
| α-helix | 188-194 | 7 | |
| α-helix | 196-201 | 6 | |
| α-helix | 204-215 | 12 | |
| α-helix | 219-220 | 2 | |
18 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.
Molecules and chains
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|
| DNA (74-mer) | N | DNA | 74 | Saccharomyces cerevisiae | |
| DNA (74-mer) | O | DNA | 74 | Saccharomyces cerevisiae | |
| DNA-directed RNA polymerase subunit | A, a | protein | 1733 | Saccharomyces cerevisiae | P04050 (AlphaFold model) |
| DNA-directed RNA polymerase subunit beta | B, b | protein | 1224 | Saccharomyces cerevisiae | P08518 (AlphaFold model) |
| DNA-directed RNA polymerase II subunit RPB3 | C, c | protein | 318 | Saccharomyces cerevisiae | P16370 (AlphaFold model) |
| DNA-directed RNA polymerase II subunit RPB4 | D, d | protein | 221 | Saccharomyces cerevisiae | P20433 (AlphaFold model) |
| DNA-directed RNA polymerases I, II, and III subunit RPABC1 | E, e | protein | 215 | Saccharomyces cerevisiae | P20434 |
| DNA-directed RNA polymerases I, II, and III subunit RPABC2 | F, f | protein | 155 | Saccharomyces cerevisiae | P20435 |
| DNA-directed RNA polymerase II subunit RPB7 | G, g | protein | 171 | Saccharomyces cerevisiae | P34087 |
| DNA-directed RNA polymerases I, II, and III subunit RPABC3 | H, h | protein | 146 | Saccharomyces cerevisiae | P20436 |
| DNA-directed RNA polymerase II subunit RPB9 | I, i | protein | 122 | Saccharomyces cerevisiae | P27999 |
| DNA-directed RNA polymerases II subunit RPABC5 | J, j | protein | 70 | Saccharomyces cerevisiae | P22139 |
6 more molecules are not listed.
Sequence of entity 1 (N), FASTA
>7MEI_1 DNA (74-MER) (chains N)
CACTAGTGCCTAAAAAAAATTTATAGTGCAAAAAAACCAAAAAAAAAAATTCTCCTTCGA
GTGCTTATCGGTAA
Sequence of entity 2 (O), FASTA
>7MEI_2 DNA (74-MER) (chains O)
CTACCGATAAGCACTCGGATAGTAGAGTTTTTTTTTGGTTTTTTTGCACTATATTTGTGG
GGAAGGCACTAGTG
Sequence of entity 3 (A, a), FASTA
>7MEI_3 DNA-directed RNA polymerase subunit (chains A, a)
MVGQQYSSAPLRTVKEVQFGLFSPEEVRAISVAKIRFPETMDETQTRAKIGGLNDPRLGS
IDRNLKCQTCQEGMNECPGHFGHIDLAKPVFHVGFIAKIKKVCECVCMHCGKLLLDEHNE
LMRQALAIKDSKKRFAAIWTLCKTKMVCETDVPSEDDPTQLVSRGGCGNTQPTIRKDGLK
LVGSWKKDRATGDADEPELRVLSTEEILNIFKHISVKDFTSLGFNEVFSRPEWMILTCLP
VPPPPVRPSISFNESQRGEDDLTFKLADILKANISLETLEHNGAPHHAIEEAESLLQFHV
ATYMDNDIAGQPQALQKSGRPVKSIRARLKGKEGRIRGNLMGKRVDFSARTVISGDPNLE
LDQVGVPKSIAKTLTYPEVVTPYNIDRLTQLVRNGPNEHPGAKYVIRDSGDRIDLRYSKR
AGDIQLQYGWKVERHIMDNDPVLFNRQPSLHKMSMMAHRVKVIPYSTFRLNLSVTSPYNA
DFDGDEMNLHVPQSEETRAELSQLCAVPLQIVSPQSNKPCMGIVQDTLCGIRKLTLRDTF
IELDQVLNMLYWVPDWDGVIPTPAIIKPKPLWSGKQILSVAIPNGIHLQRFDEGTTLLSP
KDNGMLIIDGQIIFGVVEKKTVGSSNGGLIHVVTREKGPQVCAKLFGNIQKVVNFWLLHN
GFSTGIGDTIADGPTMREITETIAEAKKKVLDVTKEAQANLLTAKHGMTLRESFEDNVVR
FLNEARDKAGRLAEVNLKDLNNVKQMVMAGSKGSFINIAQMSACVGQQSVEGKRIAFGFV
DRTLPHFSKDDYSPESKGFVENSYLRGLTPQEFFFHAMGGREGLIDTAVKTAETGYIQRR
LVKALEDIMVHYDNTTRNSLGNVIQFIYGEDGMDAAHIEKQSLDTIGGSDAAFEKRYRVD
LLNTDHTLDPSLLESGSEILGDLKLQVLLDEEYKQLVKDRKFLREVFVDGEANWPLPVNI
RRIIQNAQQTFHIDHTKPSDLTIKDIVLGVKDLQENLLVLRGKNEIIQNAQRDAVTLFCC
LLRSRLATRRVLQEYRLTKQAFDWVLSNIEAQFLRSVVHPGEMVGVLAAQSIGEPATQMT
LNTFHFAGVASKKVTSGVPRLKEILNVAKNMKTPSLTVYLEPGHAADQEQAKLIRSAIEH
TTLKSVTIASEIYYDPDPRSTVIPEDEEIIQLHFSLLDEEAEQSFDQQSPWLLRLELDRA
AMNDKDLTMGQVGERIKQTFKNDLFVIWSEDNDEKLIIRCRVVRPKSLDAETEAEEDHML
KKIENTMLENITLRGVENIERVVMMKYDRKVPSPTGEYVKEPEWVLETDGVNLSEVMTVP
GIDPTRIYTNSFIDIMEVLGIEAGRAALYKEVYNVIASDGSYVNYRHMALLVDVMTTQGG
LTSVTRHGFNRSNTGALMRCSFEETVEILFEAGASAELDDCRGVSENVILGQMAPIGTGA
FDVMIDEESLVKYMPEQKITEIEDGQDGGVTPYSNESGLVNADLDVKDELMFSPLVDSGS
NDAMAGGFTAYGGADYGEATSPFGAYGEAPTSPGFGVSSPGFSPTSPTYSPTSPAYSPTS
PSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYS
PTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPAYSPTSPSYSPTSPSYSPTSP
SYSPTSPSYSPTSPNYSPTSPSYSPTSPGYSPGSPAYSPKQDEQKHNENENSR
Sequence of entity 4 (B, b), FASTA
>7MEI_4 DNA-directed RNA polymerase subunit beta (chains B, b)
MSDLANSEKYYDEDPYGFEDESAPITAEDSWAVISAFFREKGLVSQQLDSFNQFVDYTLQ
DIICEDSTLILEQLAQHTTESDNISRKYEISFGKIYVTKPMVNESDGVTHALYPQEARLR
NLTYSSGLFVDVKKRTYEAIDVPGRELKYELIAEESEDDSESGKVFIGRLPIMLRSKNCY
LSEATESDLYKLKECPFDMGGYFIINGSEKVLIAQERSAGNIVQVFKKAAPSPISHVAEI
RSALEKGSRFISTLQVKLYGREGSSARTIKATLPYIKQDIPIVIIFRALGIIPDGEILEH
ICYDVNDWQMLEMLKPCVEDGFVIQDRETALDFIGRRGTALGIKKEKRIQYAKDILQKEF
LPHITQLEGFESRKAFFLGYMINRLLLCALDRKDQDDRDHFGKKRLDLAGPLLAQLFKTL
FKKLTKDIFRYMQRTVEEAHDFNMKLAINAKTITSGLKYALATGNWGEQKKAMSSRAGVS
QVLNRYTYSSTLSHLRRTNTPIGRDGKLAKPRQLHNTHWGLVCPAETPEGQACGLVKNLS
LMSCISVGTDPMPIITFLSEWGMEPLEDYVPHQSPDATRVFVNGVWHGVHRNPARLMETL
RTLRRKGDINPEVSMIRDIREKELKIFTDAGRVYRPLFIVEDDESLGHKELKVRKGHIAK
LMATEYQDIEGGFEDVEEYTWSSLLNEGLVEYIDAEEEESILIAMQPEDLEPAEANEEND
LDVDPAKRIRVSHHATTFTHCEIHPSMILGVAASIIPFPDHNQSPRNTYQSAMGKQAMGV
FLTNYNVRMDTMANILYYPQKPLGTTRAMEYLKFRELPAGQNAIVAIACYSGYNQEDSMI
MNQSSIDRGLFRSLFFRSYMDQEKKYGMSITETFEKPQRTNTLRMKHGTYDKLDDDGLIA
PGVRVSGEDVIIGKTTPISPDEEELGQRTAYHSKRDASTPLRSTENGIVDQVLVTTNQDG
LKFVKVRVRTTKIPQIGDKFASRHGQKGTIGITYRREDMPFTAEGIVPDLIINPHAIPSR
MTVAHLIECLLSKVAALSGNEGDASPFTDITVEGISKLLREHGYQSRGFEVMYNGHTGKK
LMAQIFFGPTYYQRLRHMVDDKIHARARGPMQVLTRQPVEGRSRDGGLRFGEMERDCMIA
HGAASFLKERLMEASDAFRVHICGICGLMTVIAKLNHNQFECKGCDNKIDIYQIHIPYAA
KLLFQELMAMNITPRLYTDRSRDF
Sequence of entity 5 (C, c), FASTA
>7MEI_5 DNA-directed RNA polymerase II subunit RPB3 (chains C, c)
MSEEGPQVKIREASKDNVDFILSNVDLAMANSLRRVMIAEIPTLAIDSVEVETNTTVLAD
EFIAHRLGLIPLQSMDIEQLEYSRDCFCEDHCDKCSVVLTLQAFGESESTTNVYSKDLVI
VSNLMGRNIGHPIIQDKEGNGVLICKLRKGQELKLTCVAKKGIAKEHAKWGPAAAIEFEY
DPWNKLKHTDYWYEQDSAKEWPQSKNCEYEDPPNEGDPFDYKAQADTFYMNVESVGSIPV
DQVVVRGIDTLQKKVASILLALTQMDQDKVNFASGDNNTASNMLGSNEDVMMTGAEQDPY
SNASQMGNTGSGGYDNAW
Sequence of entity 6 (D, d), FASTA
>7MEI_6 DNA-directed RNA polymerase II subunit RPB4 (chains D, d)
MNVSTSTFQTRRRRLKKVEEEENAATLQLGQEFQLKQINHQGEEEELIALNLSEARLVIK
EALVERRRAFKRSQKKHKKKHLKHENANDETTAVEDEDDDLDEDDVNADDDDFMHSETRE
KELESIDVLLEQTTGGNNKDLKNTMQYLTNFSRFRDQETVGAVIQLLKSTGLHPFEVAQL
GSLACDTADEAKTLIPSLNNKISDDELERILKELSNLETLY
Sequence of entity 7 (E, e), FASTA
>7MEI_7 DNA-directed RNA polymerases I, II, and III subunit RPABC1 (chains E, e)
MDQENERNISRLWRAFRTVKEMVKDRGYFITQEEVELPLEDFKAKYCDSMGRPQRKMMSF
QANPTEESISKFPDMGSLWVEFCDEPSVGVKTMKTFVIHIQEKNFQTGIFVYQNNITPSA
MKLVPSIPPATIETFNEAALVVNITHHELVPKHIRLSSDEKRELLKRYRLKESQLPRIQR
ADPVALYLGLKRGEVVKIIRKSETSGRYASYRICM
Sequence of entity 8 (F, f), FASTA
>7MEI_8 DNA-directed RNA polymerases I, II, and III subunit RPABC2 (chains F, f)
MSDYEEAFNDGNENFEDFDVEHFSDEETYEEKPQFKDGETTDANGKTIVTGGNGPEDFQQ
HEQIRRKTLKEKAIPKDQRATTPYMTKYERARILGTRALQISMNAPVFVDLEGETDPLRI
AMKELAEKKIPLVIRRYLPDGSFEDWSVEELIVDL
Sequence of entity 9 (G, g), FASTA
>7MEI_9 DNA-directed RNA polymerase II subunit RPB7 (chains G, g)
MFFIKDLSLNITLHPSFFGPRMKQYLKTKLLEEVEGSCTGKFGYILCVLDYDNIDIQRGR
ILPTDGSAEFNVKYRAVVFKPFKGEVVDGTVVSCSQHGFEVQVGPMKVFVTKHLMPQDLT
FNAGSNPPSYQSSEDVITIKSRIRVKIEGCISQVSSIHAIGSIKEDYLGAI
Sequence of entity 10 (H, h), FASTA
>7MEI_10 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H, h)
MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIA
SSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGG
LLMRLEGNYRNLNNLKQENAYLLIRR
Sequence of entity 11 (I, i), FASTA
>7MEI_11 DNA-directed RNA polymerase II subunit RPB9 (chains I, i)
MTTFRFCRDCNNMLYPREDKENNRLLFECRTCSYVEEAGSPLVYRHELITNIGETAGVVQ
DIGSDPTLPRSDRECPKCHSRENVFFQSQQRRKDTSMVLFFVCLSCSHIFTSDQKNKRTQ
FS
Sequence of entity 12 (J, j), FASTA
>7MEI_12 DNA-directed RNA polymerases II subunit RPABC5 (chains J, j)
MIVPVRCFSCGKVVGDKWESYLNLLQEDELDEGTALSRLGLKRYCCRRMILTHVDLIEKF
LRYNPLEKRD
Ligands and cofactors
| ID | Name | Formula | Copies |
|---|
| MG | Magnesium ion | Mg | 4 |
| ZN | Zinc ion | Zn | 16 |
Primary citation
Structural visualization of de novo transcription initiation by Saccharomyces cerevisiae RNA polymerase II. Yang, C., Fujiwara, R., Kim, H.J. et al. Mol Cell (2022) 82:660-676.e9. DOI 10.1016/j.molcel.2021.12.020 · PubMed
Other PDB entries of the same protein (UniProt P04050 (AlphaFold model), which also has an AlphaFold model), best resolution first:
- 5VKO 1.8 Å, SPT6 tSH2-RPB1 1468-1500 pT1471, pS1493
- 9SV6 1.96 Å, CryoEM structure of transcribing RNA polymerase II elongation complex with ATP and Elf1
- 5VKL 2.2 Å, SPT6 tSH2-RPB1 1476-1500 pS1493
- 9W8V 2.23 Å, Structure of post-translocation state of yeast Pol II complexed with a cisplatin-induced…
- 9QEB 2.26 Å, CryoEM structure of transcribing RNA polymerase II elongation complex
- 1TWF 2.3 Å, RNA polymerase II complexed with UTP at 2.3 A resolution
- 9RYB 2.33 Å, CryoEM structure of transcribing RNA polymerase II elongation complex in post-catalysis…
- 9KD8 2.46 Å, The structure of RNA polymerase II elongation complex paused at N-2 state by actinomycin…
- 6NPW 2.49 Å, SSu72/Sympk in complex with Ser2/Ser5 phosphorylated peptide
- 9K7F 2.5 Å, RNA polymerase II elongation complex apo structure.
- 30ES 2.54 Å, Cryo-EM structure of the yeast RNA polymerase II elongation complex with 19-mer RNA in…
- 30EP 2.55 Å, Cryo-EM structure of the yeast RNA polymerase II elongation complex with 19-mer RNA in…
Browse structure collections
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