9LKT: DNA-directed RNA polymerase III subunit RPC1
Human RNA Polymerase III de novo transcribing complex 10 (TC10). Determined by electron microscopy at 3.5 Å resolution. Released 16 Apr 2025.
- Method
- Electron microscopy
- Resolution
- 3.5 Å
- Organism
- Homo sapiens
- Chains
- 21
- Atoms
- 44,609
- Mol. weight
- 835.35 kDa
- Ligands
- GTP, SF4, 3AT, MG
- Released
- 16 Apr 2025
Explore 9LKT in 3D
Show helices and sheets
RCSB PDB
PDBe
Secondary structure: helices and β-sheets
9LKT contains 249 α-helices and 275 β-strands across 18 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: 71 helices, 59 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 5 | 1 | 1 |
| β-strand | 13-21 | 9 | 2 |
| α-helix | 25-31 | 7 | |
| β-strand | 34-35 | 2 | 3 |
| β-strand | 38 | 1 | 4 |
| β-strand | 42 | 1 | 5 |
| α-helix | 49 | 1 | |
| β-strand | 50 | 1 | 5 |
| α-helix | 51 | 1 | |
| β-strand | 54 | 1 | 4 |
| α-helix | 58-60 | 3 | |
| β-strand | 84-93 | 10 | 3 |
| α-helix | 98-107 | 10 | |
| β-strand | 108 | 1 | 6 |
| β-strand | 115 | 1 | 6 |
| α-helix | 119-129 | 11 | |
| α-helix | 136-152 | 17 | |
| β-strand | 155 | 1 | 7 |
| β-strand | 162 | 1 | 7 |
| β-strand | 166-168 | 3 | 8 |
| β-strand | 174-176 | 3 | 8 |
| α-helix | 186-187 | 2 | |
| α-helix | 188-195 | 8 | |
| α-helix | 198-203 | 6 | |
| α-helix | 205-207 | 3 | |
| α-helix | 209-211 | 3 | |
| β-strand | 216-217 | 2 | 8 |
| α-helix | 220-227 | 8 | |
| α-helix | 232-234 | 3 | |
| α-helix | 236-238 | 3 | |
| α-helix | 247-249 | 3 | |
| β-strand | 251-257 | 7 | 3 |
| β-strand | 266-268 | 3 | 9 |
| β-strand | 273-275 | 3 | 9 |
| α-helix | 278-299 | 22 | |
| α-helix | 303-321 | 19 | |
| α-helix | 341-345 | 5 | |
| α-helix | 353-357 | 5 | |
| β-strand | 359-360 | 2 | 10 |
| β-strand | 364-371 | 8 | 11 |
| β-strand | 379-383 | 5 | 11 |
| α-helix | 384-389 | 6 | |
| β-strand | 391-395 | 5 | 12 |
| α-helix | 401-410 | 10 | |
| β-strand | 418-422 | 5 | 12 |
| β-strand | 429-431 | 3 | 12 |
| α-helix | 437-442 | 6 | |
| β-strand | 449-453 | 5 | 12 |
| β-strand | 459-464 | 6 | 11 |
| α-helix | 470-472 | 3 | |
| β-strand | 473-481 | 9 | 11 |
| β-strand | 486-488 | 3 | 11 |
| α-helix | 490-492 | 3 | |
| α-helix | 493-496 | 4 | |
| β-strand | 504-508 | 5 | 11 |
| α-helix | 513-522 | 10 | |
| β-strand | 524 | 1 | 11 |
| β-strand | 530 | 1 | 13 |
| β-strand | 537 | 1 | 13 |
| α-helix | 546-553 | 8 | |
| β-strand | 559 | 1 | 14 |
| α-helix | 561-569 | 9 | |
| α-helix | 574-578 | 5 | |
| α-helix | 583-586 | 4 | |
| β-strand | 588 | 1 | 15 |
| β-strand | 592 | 1 | 16 |
| β-strand | 594 | 1 | 15 |
| β-strand | 595 | 1 | 14 |
| α-helix | 597-605 | 9 | |
| β-strand | 617-620 | 4 | 17 |
| β-strand | 637-641 | 5 | 17 |
| β-strand | 644-647 | 4 | 17 |
| α-helix | 652-655 | 4 | |
| α-helix | 663-671 | 9 | |
| α-helix | 673-694 | 22 | |
| α-helix | 700-702 | 3 | |
| α-helix | 704-706 | 3 | |
| α-helix | 707-732 | 26 | |
| α-helix | 738-739 | 2 | |
| α-helix | 744-770 | 27 | |
| α-helix | 772 | 1 | |
| α-helix | 776-783 | 8 | |
| α-helix | 789-796 | 8 | |
| α-helix | 808-810 | 3 | |
| β-strand | 813 | 1 | 18 |
| β-strand | 816 | 1 | 18 |
| α-helix | 828-831 | 4 | |
| α-helix | 844-879 | 36 | |
| β-strand | 883-884 | 2 | 19 |
| β-strand | 890-891 | 2 | 19 |
| β-strand | 897-899 | 3 | 19 |
| α-helix | 902-904 | 3 | |
| β-strand | 907 | 1 | 20 |
| α-helix | 909-911 | 3 | |
| α-helix | 921-931 | 11 | |
| α-helix | 942-953 | 12 | |
| α-helix | 963-986 | 24 | |
| α-helix | 998-1002 | 5 | |
| α-helix | 1008-1024 | 17 | |
| β-strand | 1026 | 1 | 20 |
| α-helix | 1027-1028 | 2 | |
| α-helix | 1033-1047 | 15 | |
| α-helix | 1067-1075 | 9 | |
| β-strand | 1085-1089 | 5 | 21 |
| α-helix | 1095-1105 | 11 | |
| β-strand | 1108-1109 | 2 | 22 |
| α-helix | 1110-1113 | 4 | |
| β-strand | 1114-1122 | 9 | 23 |
| β-strand | 1125-1132 | 8 | 23 |
| α-helix | 1134-1140 | 7 | |
| α-helix | 1146-1152 | 7 | |
| β-strand | 1165-1167 | 3 | 23 |
| β-strand | 1172-1175 | 4 | 23 |
| α-helix | 1189-1195 | 7 | |
| β-strand | 1200-1202 | 3 | 22 |
| β-strand | 1210-1215 | 6 | 21 |
| β-strand | 1222-1227 | 6 | 21 |
| α-helix | 1232-1237 | 6 | |
| β-strand | 1241-1248 | 8 | 21 |
| α-helix | 1251-1258 | 8 | |
| α-helix | 1260-1277 | 18 | |
| α-helix | 1284-1294 | 11 | |
| α-helix | 1305-1311 | 7 | |
| α-helix | 1315-1321 | 7 | |
| α-helix | 1324-1334 | 11 | |
| β-strand | 1337-1339 | 3 | 2 |
| α-helix | 1343-1349 | 7 | |
| α-helix | 1356-1358 | 3 | |
| β-strand | 1361-1364 | 4 | 1 |
| α-helix | 1372-1377 | 6 | |
Chain B: 53 helices, 77 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 19-21 | 3 | |
| α-helix | 24-28 | 5 | |
| α-helix | 29-34 | 6 | |
| α-helix | 41-49 | 9 | |
| α-helix | 50-54 | 5 | |
| α-helix | 55-61 | 7 | |
| β-strand | 64-65 | 2 | 24 |
| β-strand | 75-81 | 7 | 24 |
| β-strand | 87 | 1 | 25 |
| β-strand | 95 | 1 | 25 |
| α-helix | 99-105 | 7 | |
| β-strand | 110-120 | 11 | 24 |
| β-strand | 125-137 | 13 | 24 |
| α-helix | 138-139 | 2 | |
| α-helix | 152-157 | 6 | |
| β-strand | 169-171 | 3 | 26 |
| β-strand | 174-178 | 5 | 26 |
| α-helix | 179 | 1 | |
| β-strand | 180-184 | 5 | 27 |
| α-helix | 185 | 1 | |
| β-strand | 189-193 | 5 | 28 |
| β-strand | 199-206 | 8 | 28 |
| β-strand | 211-217 | 7 | 28 |
| β-strand | 224-226 | 3 | 28 |
| β-strand | 230 | 1 | 29 |
| β-strand | 234-235 | 2 | 28 |
| α-helix | 236-242 | 7 | |
| α-helix | 248-255 | 8 | |
| α-helix | 259-274 | 16 | |
| α-helix | 280-290 | 11 | |
| β-strand | 291 | 1 | 29 |
| α-helix | 305-311 | 7 | |
| α-helix | 312-316 | 5 | |
| α-helix | 329-345 | 17 | |
| α-helix | 351-353 | 3 | |
| α-helix | 357-359 | 3 | |
| β-strand | 360-363 | 4 | 27 |
| α-helix | 365-391 | 27 | |
| α-helix | 402-404 | 3 | |
| α-helix | 409-420 | 12 | |
| β-strand | 424-426 | 3 | 30 |
| β-strand | 431-433 | 3 | 30 |
| β-strand | 437-439 | 3 | 26 |
| α-helix | 440-441 | 2 | |
| α-helix | 445-452 | 8 | |
| β-strand | 454-457 | 4 | 27 |
| α-helix | 473-475 | 3 | |
| β-strand | 479 | 1 | 31 |
| β-strand | 494-495 | 2 | 27 |
| β-strand | 496 | 1 | 31 |
| β-strand | 501-502 | 2 | 32 |
| α-helix | 509-517 | 9 | |
| β-strand | 521 | 1 | 33 |
| α-helix | 528-532 | 5 | |
| β-strand | 536-541 | 6 | 33 |
| β-strand | 544-550 | 7 | 33 |
| α-helix | 552-565 | 14 | |
| β-strand | 573-577 | 5 | 33 |
| β-strand | 582-586 | 5 | 33 |
| β-strand | 592-598 | 7 | 32 |
| β-strand | 599 | 1 | 34 |
| β-strand | 604 | 1 | 34 |
| α-helix | 608-616 | 9 | |
| α-helix | 621-626 | 6 | |
| β-strand | 630-634 | 5 | 32 |
| α-helix | 635-640 | 6 | |
| β-strand | 643-644 | 2 | 32 |
| β-strand | 656-657 | 2 | 32 |
| α-helix | 661-664 | 4 | |
| α-helix | 667-670 | 4 | |
| α-helix | 675-677 | 3 | |
| α-helix | 680-690 | 11 | |
| β-strand | 693 | 1 | 35 |
| β-strand | 708-712 | 5 | 36 |
| β-strand | 716 | 1 | 37 |
| α-helix | 723-728 | 6 | |
| α-helix | 730-732 | 3 | |
| β-strand | 737-743 | 7 | 38 |
| β-strand | 755-758 | 4 | 38 |
| α-helix | 759-763 | 5 | |
| β-strand | 769-779 | 11 | 36 |
| β-strand | 781 | 1 | 39 |
| β-strand | 787 | 1 | 39 |
| β-strand | 789-790 | 2 | 40 |
| α-helix | 791-793 | 3 | |
| β-strand | 795-796 | 2 | 41 |
| β-strand | 801-802 | 2 | 41 |
| β-strand | 809 | 1 | 42 |
| β-strand | 814 | 1 | 43 |
| β-strand | 815 | 1 | 42 |
| α-helix | 816 | 1 | |
| β-strand | 820-821 | 2 | 36 |
| β-strand | 826 | 1 | 44 |
| β-strand | 828 | 1 | 43 |
| β-strand | 830-833 | 4 | 40 |
| β-strand | 851-853 | 3 | 40 |
| β-strand | 857 | 1 | 44 |
| β-strand | 864-873 | 10 | 36 |
| α-helix | 878 | 1 | |
| β-strand | 879-889 | 11 | 36 |
| β-strand | 896-898 | 3 | 45 |
| β-strand | 905-906 | 2 | 45 |
| β-strand | 907-911 | 5 | 38 |
| β-strand | 918-919 | 2 | 46 |
| β-strand | 927-929 | 3 | 38 |
| α-helix | 933-937 | 5 | |
| α-helix | 940-955 | 16 | |
| α-helix | 969-979 | 11 | |
| β-strand | 986-987 | 2 | 38 |
| β-strand | 989-990 | 2 | 46 |
| β-strand | 997 | 1 | 46 |
| α-helix | 998 | 1 | |
| β-strand | 1002-1009 | 8 | 38 |
| β-strand | 1010-1011 | 2 | 45 |
| β-strand | 1012 | 1 | 35 |
| α-helix | 1016-1019 | 4 | |
| β-strand | 1021-1023 | 3 | 11 |
| α-helix | 1043-1045 | 3 | |
| β-strand | 1046-1047 | 2 | 10 |
| α-helix | 1049-1058 | 10 | |
| α-helix | 1061-1065 | 5 | |
| α-helix | 1066-1070 | 5 | |
| α-helix | 1071-1073 | 3 | |
| β-strand | 1074-1080 | 7 | 47 |
| β-strand | 1086-1087 | 2 | 47 |
| β-strand | 1092 | 1 | 48 |
| β-strand | 1097 | 1 | 48 |
| β-strand | 1101-1107 | 7 | 47 |
| α-helix | 1108-1119 | 12 | |
| β-strand | 1123-1130 | 8 | 2 |
Chain C: 14 helices, 25 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 3-12 | 10 | |
| β-strand | 13-15 | 3 | 49 |
| β-strand | 16 | 1 | 50 |
| β-strand | 21 | 1 | 50 |
| β-strand | 30 | 1 | 16 |
| β-strand | 33 | 1 | 16 |
| α-helix | 42-48 | 7 | |
| β-strand | 50-57 | 8 | 49 |
| β-strand | 60-66 | 7 | 49 |
| α-helix | 70-82 | 13 | |
| β-strand | 86-94 | 9 | 51 |
| α-helix | 103-111 | 9 | |
| β-strand | 114 | 1 | 51 |
| β-strand | 115 | 1 | 52 |
| α-helix | 119-121 | 3 | |
| α-helix | 124-126 | 3 | |
| β-strand | 138-145 | 8 | 51 |
| β-strand | 147-148 | 2 | 53 |
| α-helix | 159-162 | 4 | |
| β-strand | 163-164 | 2 | 53 |
| β-strand | 167-169 | 3 | 54 |
| α-helix | 170-172 | 3 | |
| β-strand | 174-176 | 3 | 51 |
| α-helix | 181-184 | 4 | |
| α-helix | 186 | 1 | |
| β-strand | 192 | 1 | 52 |
| β-strand | 198-201 | 4 | 54 |
| β-strand | 207-217 | 11 | 51 |
| α-helix | 223-225 | 3 | |
| β-strand | 228-237 | 10 | 49 |
| β-strand | 240-241 | 2 | 55 |
| β-strand | 246 | 1 | 56 |
| α-helix | 248-256 | 9 | |
| β-strand | 262-266 | 5 | 56 |
| β-strand | 271-275 | 5 | 56 |
| α-helix | 287-289 | 3 | |
| β-strand | 297-298 | 2 | 55 |
| β-strand | 300-312 | 13 | 49 |
| α-helix | 318-343 | 26 | |
Chain D: 8 helices, 1 β-strand
| Element | Residues | Length | Sheet |
|---|
| β-strand | 3-10 | 8 | 1 |
| α-helix | 13-29 | 17 | |
| α-helix | 33-38 | 6 | |
| α-helix | 41-55 | 15 | |
| α-helix | 63-74 | 12 | |
| α-helix | 80-89 | 10 | |
| α-helix | 95 | 1 | |
| α-helix | 96-100 | 5 | |
| α-helix | 112-121 | 10 | |
Chain E: 10 helices, 12 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 5-24 | 20 | |
| α-helix | 30-33 | 4 | |
| α-helix | 37-43 | 7 | |
| β-strand | 58 | 1 | 57 |
| β-strand | 62 | 1 | 58 |
| β-strand | 71 | 1 | 58 |
| β-strand | 72-75 | 4 | 57 |
| β-strand | 81-82 | 2 | 59 |
| α-helix | 84-97 | 14 | |
| β-strand | 101-106 | 6 | 57 |
| β-strand | 109-110 | 2 | 59 |
| α-helix | 112-119 | 8 | |
| β-strand | 126-131 | 6 | 57 |
| α-helix | 132-135 | 4 | |
| β-strand | 147-151 | 5 | 60 |
| α-helix | 152 | 1 | |
| α-helix | 153-163 | 11 | |
| α-helix | 171 | 1 | |
| β-strand | 172-173 | 2 | 60 |
| α-helix | 178-183 | 6 | |
| β-strand | 190-196 | 7 | 60 |
| β-strand | 202-209 | 8 | 60 |
Chain F: 5 helices, 4 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 56 | 1 | 61 |
| α-helix | 57-58 | 2 | |
| α-helix | 59-74 | 16 | |
| α-helix | 77-79 | 3 | |
| α-helix | 89-99 | 11 | |
| β-strand | 104-109 | 6 | 1 |
| α-helix | 110 | 1 | |
| β-strand | 115-119 | 5 | 1 |
| β-strand | 124 | 1 | 61 |
Chain G: 2 helices, 9 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 3-13 | 11 | 1 |
| α-helix | 15-17 | 3 | |
| α-helix | 22-33 | 12 | |
| β-strand | 37-39 | 3 | 1 |
| β-strand | 43-59 | 17 | 1 |
| β-strand | 66-77 | 12 | 1 |
| β-strand | 84-93 | 10 | 62 |
| β-strand | 96-101 | 6 | 62 |
| β-strand | 105-108 | 4 | 62 |
| β-strand | 146-150 | 5 | 62 |
| β-strand | 190-191 | 2 | 62 |
Chain H: 1 helix, 8 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 4-14 | 11 | 15 |
| β-strand | 25-32 | 8 | 15 |
| β-strand | 38-44 | 7 | 15 |
| β-strand | 55-61 | 7 | 15 |
| α-helix | 84-87 | 4 | |
| β-strand | 90-101 | 12 | 15 |
| β-strand | 111-118 | 8 | 15 |
| β-strand | 121-128 | 8 | 15 |
| β-strand | 139-147 | 9 | 15 |
10 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-directed RNA polymerase III subunit RPC1 | A | protein | 1390 | Homo sapiens | O14802 (AlphaFold model) |
| DNA-directed RNA polymerase III subunit RPC2 | B | protein | 1133 | Homo sapiens | Q9NW08 (AlphaFold model) |
| DNA-directed RNA polymerases I and III subunit RPAC1 | C | protein | 346 | Homo sapiens | O15160 (AlphaFold model) |
| DNA-directed RNA polymerase III subunit RPC9 | D | protein | 148 | Homo sapiens | O75575 (AlphaFold model) |
| DNA-directed RNA polymerases I, II, and III subunit RPABC1 | E | protein | 210 | Homo sapiens | P19388 |
| DNA-directed RNA polymerases I, II, and III subunit RPABC2 | F | protein | 127 | Homo sapiens | P61218 |
| DNA-directed RNA polymerase III subunit RPC8 | G | protein | 204 | Homo sapiens | Q9Y535 |
| DNA-directed RNA polymerases I, II, and III subunit RPABC3 | H | protein | 150 | Homo sapiens | P52434 |
| DNA-directed RNA polymerase III subunit RPC10 | I | protein | 108 | Homo sapiens | Q9Y2Y1 |
| DNA-directed RNA polymerases I, II, and III subunit RPABC5 | J | protein | 67 | Homo sapiens | P62875 |
| DNA-directed RNA polymerases I and III subunit RPAC2 | K | protein | 133 | Homo sapiens | P0DPB6 |
| DNA-directed RNA polymerases I, II, and III subunit RPABC4 | L | protein | 58 | Homo sapiens | P53803 |
9 more molecules are not listed.
Sequence of entity 1 (A), FASTA
>9LKT_1 DNA-directed RNA polymerase III subunit RPC1 (chains A)
MVKEQFRETDVAKKISHICFGMKSPEEMRQQAHIQVVSKNLYSQDNQHAPLLYGVLDHRM
GTSEKDRPCETCGKNLADCLGHYGYIDLELPCFHVGYFRAVIGILQMICKTCCHIMLSQE
EKKQFLDYLKRPGLTYLQKRGLKKKISDKCRKKNICHHCGAFNGTVKKCGLLKIIHEKYK
TNKKVVDPIVSNFLQSFETAIEHNKEVEPLLGRAQENLNPLVVLNLFKRIPAEDVPLLLM
NPEAGKPSDLILTRLLVPPLCIRPSVVSDLKSGTNEDDLTMKLTEIIFLNDVIKKHRISG
AKTQMIMEDWDFLQLQCALYINSELSGIPLNMAPKKWTRGFVQRLKGKQGRFRGNLSGKR
VDFSGRTVISPDPNLRIDEVAVPVHVAKILTFPEKVNKANINFLRKLVQNGPEVHPGANF
IQQRHTQMKRFLKYGNREKMAQELKYGDIVERHLIDGDVVLFNRQPSLHKLSIMAHLARV
KPHRTFRFNECVCTPYNADFDGDEMNLHLPQTEEAKAEALVLMGTKANLVTPRNGEPLIA
AIQDFLTGAYLLTLKDTFFDRAKACQIIASILVGKDEKIKVRLPPPTILKPVTLWTGKQI
FSVILRPSDDNPVRANLRTKGKQYCGKGEDLCANDSYVTIQNSELMSGSMDKGTLGSGSK
NNIFYILLRDWGQNEAADAMSRLARLAPVYLSNRGFSIGIGDVTPGQGLLKAKYELLNAG
YKKCDEYIEALNTGKLQQQPGCTAEETLEALILKELSVIRDHAGSACLRELDKSNSPLTM
ALCGSKGSFINISQMIACVGQQAISGSRVPDGFENRSLPHFEKHSKLPAAKGFVANSFYS
GLTPTEFFFHTMAGREGLVDTAVKTAETGYMQRRLVKSLEDLCSQYDLTVRSSTGDIIQF
IYGGDGLDPAAMEGKDEPLEFKRVLDNIKAVFPCPSEPALSKNELILTTESIMKKSEFLC
CQDSFLQEIKKFIKGVSEKIKKTRDKYGINDNGTTEPRVLYQLDRITPTQVEKFLETCRD
KYMRAQMEPGSAVGALCAQSIGEPGTQMTLKTFHFAGVASMNITLGVPRIKEIINASKAI
STPIITAQLDKDDDADYARLVKGRIEKTLLGEISEYIEEVFLPDDCFILVKLSLERIRLL
RLEVNAETVRYSICTSKLRVKPGDVAVHGEAVVCVTPRENSKSSMYYVLQFLKEDLPKVV
VQGIPEVSRAVIHIDEQSGKEKYKLLVEGDNLRAVMATHGVKGTRTTSNNTYEVEKTLGI
EAARTTIINEIQYTMVNHGMSIDRRHVMLLSDLMTYKGEVLGITRFGLAKMKESVLMLAS
FEKTADHLFDAAYFGQKDSVCGVSECIIMGIPMNIGTGLFKLLHKADRDPNPPKRPLIFD
TNEFHIPLVT
Sequence of entity 2 (B), FASTA
>9LKT_2 DNA-directed RNA polymerase III subunit RPC2 (chains B)
MDVLAEEFGNLTPEQLAAPIPTVEEKWRLLPAFLKVKGLVKQHIDSFNYFINVEIKKIMK
ANEKVTSDADPMWYLKYLNIYVGLPDVEESFNVTRPVSPHECRLRDMTYSAPITVDIEYT
RGSQRIIRNALPIGRMPIMLRSSNCVLTGKTPAEFAKLNECPLDPGGYFIVKGVEKVILI
QEQLSKNRIIVEADRKGAVGASVTSSTHEKKSRTNMAVKQGRFYLRHNTLSEDIPIVIIF
KAMGVESDQEIVQMIGTEEHVMAAFGPSLEECQKAQIFTQMQALKYIGNKVRRQRMWGGG
PKKTKIEEARELLASTILTHVPVKEFNFRAKCIYTAVMVRRVILAQGDNKVDDRDYYGNK
RLELAGQLLSLLFEDLFKKFNSEMKKIADQVIPKQRAAQFDVVKHMRQDQITNGMVNAIS
TGNWSLKRFKMDRQGVTQVLSRLSYISALGMMTRISSQFEKTRKVSGPRSLQPSQWGMLC
PSDTPEGEACGLVKNLALMTHITTDMEDGPIVKLASNLGVEDVNLLCGEELSYPNVFLVF
LNGNILGVIRDHKKLVNTFRLMRRAGYINEFVSISTNLTDRCVYISSDGGRLCRPYIIVK
KQKPAVTNKHMEELAQGYRNFEDFLHESLVEYLDVNEENDCNIALYEHTINKDTTHLEIE
PFTLLGVCAGLIPYPHHNQSPRNTYQCAMGKQAMGTIGYNQRNRIDTLMYLLAYPQKPMV
KTKTIELIEFEKLPAGQNATVAVMSYSGYDIEDALVLNKASLDRGFGRCLVYKNAKCTLK
RYTNQTFDKVMGPMLDAATRKPIWRHEILDADGICSPGEKVENKQVLVNKSMPTVTQIPL
EGSNVPQQPQYKDVPITYKGATDSYIEKVMISSNAEDAFLIKMLLRQTRRPEIGDKFSSR
HGQKGVCGLIVPQEDMPFCDSGICPDIIMNPHGFPSRMTVGKLIELLAGKAGVLDGRFHY
GTAFGGSKVKDVCEDLVRHGYNYLGKDYVTSGITGEPLEAYIYFGPVYYQKLKHMVLDKM
HARARGPRAVLTRQPTEGRSRDGGLRLGEMERDCLIGYGASMLLLERLMISSDAFEVDVC
GQCGLLGYSGWCHYCKSSCHVSSLRIPYACKLLFQELQSMNIIPRLKLSKYNE
Sequence of entity 3 (C), FASTA
>9LKT_3 DNA-directed RNA polymerases I and III subunit RPAC1 (chains C)
MAASQAVEEMRSRVVLGEFGVRNVHTTDFPGNYSGYDDAWDQDRFEKNFRVDVVHMDENS
LEFDMVGIDAAIANAFRRILLAEVPTMAVEKVLVYNNTSIVQDEILAHRLGLIPIHADPR
LFEYRNQGDEEGTEIDTLQFRLQVRCTRNPHAAKDSSDPNELYVNHKVYTRHMTWIPLGN
QADLFPEGTIRPVHDDILIAQLRPGQEIDLLMHCVKGIGKDHAKFSPVATASYRLLPDIT
LLEPVEGEAAEELSRCFSPGVIEVQEVQGKKVARVANPRLDTFSREIFRNEKLKKVVRLA
RVRDHYIFSVESTGVLPPDVLVSEAIKVLMGKCRRFLDELDAVQMD
Sequence of entity 4 (D), FASTA
>9LKT_4 DNA-directed RNA polymerase III subunit RPC9 (chains D)
MEVKDANSALLSNYEVFQLLTDLKEQRKESGKNKHSSGQQNLNTITYETLKYISKTPCRH
QSPEIVREFLTALKSHKLTKAEKLQLLNHRPVTAVEIQLMVEESEERLTEEQIEALLHTV
TSILPAEPEAEQKKNTNSNVAMDEEDPA
Sequence of entity 5 (E), FASTA
>9LKT_5 DNA-directed RNA polymerases I, II, and III subunit RPABC1 (chains E)
MDDEEETYRLWKIRKTIMQLCHDRGYLVTQDELDQTLEEFKAQSGDKPSEGRPRRTDLTV
LVAHNDDPTDQMFVFFPEEPKVGIKTIKVYCQRMQEENITRALIVVQQGMTPSAKQSLVD
MAPKYILEQFLQQELLINITEHELVPEHVVMTKEEVTELLARYKLRENQLPRIQAGDPVA
RYFGIKRGQVVKIIRPSETAGRYITYRLVQ
Sequence of entity 6 (F), FASTA
>9LKT_6 DNA-directed RNA polymerases I, II, and III subunit RPABC2 (chains F)
MSDNEDNFDGDDFDDVEEDEGLDDLENAEEEGQENVEILPSGERPQANQKRITTPYMTKY
ERARVLGTRALQIAMCAPVMVELEGETDPLLIAMKELKARKIPIIIRRYLPDGSYEDWGV
DELIITD
Sequence of entity 7 (G), FASTA
>9LKT_7 DNA-directed RNA polymerase III subunit RPC8 (chains G)
MFVLVEMVDTVRIPPWQFERKLNDSIAEELNKKLANKVVYNVGLCICLFDITKLEDAYVF
PGDGASHTKVHFRCVVFHPFLDEILIGKIKGCSPEGVHVSLGFFDDILIPPESLQQPAKF
DEAEQVWVWEYETEEGAHDLYMDTGEEIRFRVVDESFVDTSPTGPSSADATTSSEELPKK
EAPYTLVGSISEPGLGLLSWWTSN
Sequence of entity 8 (H), FASTA
>9LKT_8 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H)
MAGILFEDIFDVKDIDPEGKKFDRVSRLHCESESFKMDLILDVNIQIYPVDLGDKFRLVI
ASTLYEDGTLDDGEYNPTDDRPSRADQFEYVMYGKVYRIEGDETSTEAATRLSAYVSYGG
LLMRLQGDANNLHGFEVDSRVYLLMKKLAF
Sequence of entity 9 (I), FASTA
>9LKT_9 DNA-directed RNA polymerase III subunit RPC10 (chains I)
MLLFCPGCGNGLIVEEGQRCHRFACNTCPYVHNITRKVTNRKYPKLKEVDDVLGGAAAWE
NVDSTAESCPKCEHPRAYFMQLQTRSADEPMTTFYKCCNAQCGHRWRD
Sequence of entity 10 (J), FASTA
>9LKT_10 DNA-directed RNA polymerases I, II, and III subunit RPABC5 (chains J)
MIIPVRCFTCGKIVGNKWEAYLGLLQAEYTEGDALDALGLKRYCCRRMLLAHVDLIEKLL
NYAPLEK
Sequence of entity 11 (K), FASTA
>9LKT_11 DNA-directed RNA polymerases I and III subunit RPAC2 (chains K)
MEEDQELERKISGLKTSMAEGERKTALEMVQAAGTDRHCVTFVLHEEDHTLGNSLRYMIM
KNPEVEFCGYTTTHPSESKINLRIQTRGTLPAVEPFQRGLNELMNVCQHVLDKFEASIKD
YKDQKASRNESTF
Sequence of entity 12 (L), FASTA
>9LKT_12 DNA-directed RNA polymerases I, II, and III subunit RPABC4 (chains L)
MDTQKDVQPPKQQPMIYICGECHTENEIKSRDPIRCRECGYRIMYKKRTKRLVVFDAR
Ligands and cofactors
| ID | Name | Formula | Copies |
|---|
| GTP | Guanosine-5'-triphosphate | C10 H16 N5 O14 P3 | 1 |
| SF4 | Iron/sulfur cluster | Fe4 S4 | 1 |
| 3AT | 3'-deoxyadenosine-5'-triphosphate | C10 H16 N5 O12 P3 | 1 |
| MG | Magnesium ion | Mg | 1 |
| ZN | Zinc ion | Zn | 6 |
Primary citation
Structural insights into human Pol III transcription initiation in action. Wang, Q., Ren, Y., Jin, Q. et al. Nature (2025) 643:1127-1134. DOI 10.1038/s41586-025-09093-w · PubMed
Other PDB entries of the same protein (UniProt O14802 (AlphaFold model), which also has an AlphaFold model), best resolution first:
- 7AE1 2.8 Å, Cryo-EM structure of human RNA Polymerase III elongation complex 1
- 9K39 2.8 Å, Human RNA Polymerase III de novo transcribing complex 8 (TC8)
- 7D58 2.9 Å, cryo-EM structure of human RNA polymerase III in elongating state
- 9K36 2.9 Å, Human RNA Polymerase III de novo transcribing complex 12 (TC12)
- 9K2G 3.0 Å, Human RNA Polymerase III de novo transcribing complex 13 (TC13)
- 9K3U 3.0 Å, Human RNA Polymerase III de novo transcribing complex 5 (TC5)
- 7AE3 3.1 Å, Cryo-EM structure of human RNA Polymerase III elongation complex 3
- 7D59 3.1 Å, cryo-EM structure of human RNA polymerase III in apo state
- 9K38 3.1 Å, Human RNA Polymerase III de novo transcribing complex 6 (TC6)
- 9FSO 3.28 Å, Human RNA Polymerase III Class III Open Pre-initiation Complex 1 (OC1)
- 7A6H 3.3 Å, Cryo-EM structure of human apo RNA Polymerase III
- 9LXN 3.3 Å, Human RNA Polymerase III de novo transcribing complex 5 (TC5)(without 3'dATP)
Browse structure collections
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