9G2C: DNA-directed RNA polymerase I subunit RPA190
Yeast RNA polymerase I elongation complex stalled by an apurinic site, open state. Determined by electron microscopy at 3.5 Å resolution. Released 18 Jun 2025.
- Method
- Electron microscopy
- Resolution
- 3.5 Å
- Organism
- Saccharomyces cerevisiae
- Chains
- 16
- Atoms
- 29,270
- Mol. weight
- 602.91 kDa
- Ligands
- ZN
- Released
- 18 Jun 2025
Explore 9G2C in 3D
Show helices and sheets
RCSB PDB
PDBe
Secondary structure: helices and β-sheets
9G2C contains 145 α-helices and 169 β-strands across 13 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: 61 helices, 54 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 135-137 | 3 | |
| α-helix | 186-197 | 12 | |
| α-helix | 317-330 | 14 | |
| α-helix | 381-405 | 25 | |
| α-helix | 406-408 | 3 | |
| α-helix | 416-436 | 21 | |
| α-helix | 467-470 | 4 | |
| β-strand | 475 | 1 | 1 |
| β-strand | 479-482 | 4 | 2 |
| β-strand | 484 | 1 | 3 |
| β-strand | 494-497 | 4 | 2 |
| α-helix | 499-504 | 6 | |
| β-strand | 506-510 | 5 | 4 |
| α-helix | 516-520 | 5 | |
| α-helix | 522-525 | 4 | |
| β-strand | 535 | 1 | 5 |
| β-strand | 536 | 1 | 4 |
| β-strand | 545 | 1 | 5 |
| α-helix | 551-554 | 4 | |
| β-strand | 576-580 | 5 | 4 |
| β-strand | 586-590 | 5 | 2 |
| α-helix | 597-599 | 3 | |
| β-strand | 600-607 | 8 | 2 |
| β-strand | 614 | 1 | 3 |
| β-strand | 615 | 1 | 2 |
| α-helix | 620-624 | 5 | |
| β-strand | 633-636 | 4 | 2 |
| α-helix | 641-646 | 6 | |
| α-helix | 647-651 | 5 | |
| β-strand | 652 | 1 | 2 |
| α-helix | 654-656 | 3 | |
| β-strand | 658 | 1 | 6 |
| β-strand | 665 | 1 | 6 |
| α-helix | 672-681 | 10 | |
| β-strand | 687 | 1 | 7 |
| α-helix | 689-700 | 12 | |
| α-helix | 702-704 | 3 | |
| β-strand | 719 | 1 | 8 |
| β-strand | 725 | 1 | 8 |
| β-strand | 726 | 1 | 7 |
| α-helix | 728-739 | 12 | |
| α-helix | 741 | 1 | |
| β-strand | 749-752 | 4 | 9 |
| α-helix | 757-760 | 4 | |
| β-strand | 768-771 | 4 | 9 |
| β-strand | 776 | 1 | 9 |
| α-helix | 793-823 | 31 | |
| β-strand | 826 | 1 | 10 |
| α-helix | 830-833 | 4 | |
| β-strand | 835 | 1 | 11 |
| α-helix | 837-847 | 11 | |
| α-helix | 848-850 | 3 | |
| α-helix | 853-861 | 9 | |
| α-helix | 873-884 | 12 | |
| α-helix | 886-911 | 26 | |
| β-strand | 916 | 1 | 11 |
| α-helix | 924-930 | 7 | |
| α-helix | 937-944 | 8 | |
| β-strand | 948-949 | 2 | 12 |
| β-strand | 952 | 1 | 13 |
| β-strand | 955 | 1 | 13 |
| β-strand | 981-982 | 2 | 12 |
| β-strand | 985 | 1 | 14 |
| β-strand | 989 | 1 | 14 |
| α-helix | 992-1012 | 21 | |
| α-helix | 1018-1026 | 9 | |
| β-strand | 1031-1032 | 2 | 15 |
| β-strand | 1038-1039 | 2 | 15 |
| β-strand | 1045-1047 | 3 | 15 |
| β-strand | 1055 | 1 | 16 |
| α-helix | 1066-1070 | 5 | |
| α-helix | 1073-1079 | 7 | |
| β-strand | 1090 | 1 | 17 |
| α-helix | 1092-1107 | 16 | |
| α-helix | 1123-1126 | 4 | |
| β-strand | 1132 | 1 | 17 |
| α-helix | 1138-1148 | 11 | |
| α-helix | 1163-1176 | 14 | |
| β-strand | 1178 | 1 | 16 |
| α-helix | 1179-1180 | 2 | |
| α-helix | 1187-1194 | 8 | |
| α-helix | 1195-1197 | 3 | |
| α-helix | 1218-1222 | 5 | |
| α-helix | 1223-1227 | 5 | |
| β-strand | 1237 | 1 | 18 |
| α-helix | 1253-1258 | 6 | |
| β-strand | 1262 | 1 | 19 |
| α-helix | 1263-1266 | 4 | |
| β-strand | 1267-1269 | 3 | 20 |
| β-strand | 1272-1275 | 4 | 21 |
| β-strand | 1290 | 1 | 22 |
| β-strand | 1295-1296 | 2 | 20 |
| α-helix | 1299-1305 | 7 | |
| α-helix | 1310-1316 | 7 | |
| α-helix | 1317-1321 | 5 | |
| α-helix | 1322-1336 | 15 | |
| α-helix | 1442-1452 | 11 | |
| β-strand | 1458-1459 | 2 | 23 |
| β-strand | 1472-1473 | 2 | 23 |
| β-strand | 1474 | 1 | 22 |
| α-helix | 1487-1495 | 9 | |
| β-strand | 1497 | 1 | 19 |
| β-strand | 1504 | 1 | 24 |
| β-strand | 1522 | 1 | 18 |
| β-strand | 1523 | 1 | 24 |
| α-helix | 1549-1552 | 4 | |
| α-helix | 1558-1573 | 16 | |
| α-helix | 1579-1584 | 6 | |
| α-helix | 1600-1603 | 4 | |
| α-helix | 1609-1614 | 6 | |
| α-helix | 1618-1624 | 7 | |
| α-helix | 1639-1643 | 5 | |
| α-helix | 1645-1647 | 3 | |
| α-helix | 1650-1652 | 3 | |
| β-strand | 1655-1657 | 3 | 25 |
Chain B: 48 helices, 60 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 18-26 | 9 | |
| α-helix | 36-51 | 16 | |
| α-helix | 61-66 | 6 | |
| β-strand | 97-102 | 6 | 26 |
| β-strand | 134 | 1 | 27 |
| β-strand | 139-143 | 5 | 26 |
| β-strand | 154-155 | 2 | 26 |
| β-strand | 162 | 1 | 27 |
| α-helix | 163-164 | 2 | |
| α-helix | 177-182 | 6 | |
| β-strand | 194 | 1 | 28 |
| β-strand | 201 | 1 | 28 |
| β-strand | 202-203 | 2 | 29 |
| α-helix | 204 | 1 | |
| β-strand | 205-209 | 5 | 30 |
| β-strand | 215-216 | 2 | 31 |
| α-helix | 220-224 | 5 | |
| β-strand | 229-239 | 11 | 31 |
| β-strand | 245-253 | 9 | 31 |
| β-strand | 258-264 | 7 | 31 |
| β-strand | 267-272 | 6 | 31 |
| α-helix | 273-280 | 8 | |
| α-helix | 285-292 | 8 | |
| α-helix | 301-316 | 16 | |
| α-helix | 323-333 | 11 | |
| α-helix | 346-356 | 11 | |
| α-helix | 360-362 | 3 | |
| α-helix | 367-386 | 20 | |
| β-strand | 400-403 | 4 | 30 |
| α-helix | 405-430 | 26 | |
| α-helix | 431-435 | 5 | |
| α-helix | 443-451 | 9 | |
| α-helix | 457-467 | 11 | |
| β-strand | 469 | 1 | 32 |
| β-strand | 482 | 1 | 32 |
| β-strand | 485-486 | 2 | 29 |
| α-helix | 493-499 | 7 | |
| β-strand | 502-504 | 3 | 30 |
| α-helix | 507-511 | 5 | |
| α-helix | 516-518 | 3 | |
| α-helix | 522-524 | 3 | |
| β-strand | 528 | 1 | 33 |
| β-strand | 543-544 | 2 | 30 |
| β-strand | 545 | 1 | 33 |
| α-helix | 546 | 1 | |
| β-strand | 550-551 | 2 | 34 |
| α-helix | 561-567 | 7 | |
| β-strand | 572 | 1 | 35 |
| β-strand | 584-588 | 5 | 35 |
| β-strand | 591-596 | 6 | 35 |
| α-helix | 598-614 | 17 | |
| β-strand | 625-629 | 5 | 35 |
| β-strand | 639-643 | 5 | 35 |
| β-strand | 649-650 | 2 | 34 |
| β-strand | 651-655 | 5 | 36 |
| β-strand | 660-664 | 5 | 36 |
| α-helix | 666-669 | 4 | |
| β-strand | 674-675 | 2 | 36 |
| α-helix | 678-680 | 3 | |
| β-strand | 688-689 | 2 | 36 |
| α-helix | 693-695 | 3 | |
| α-helix | 699-702 | 4 | |
| α-helix | 707-709 | 3 | |
| α-helix | 712-722 | 11 | |
| β-strand | 725 | 1 | 37 |
| α-helix | 733-735 | 3 | |
| β-strand | 743 | 1 | 38 |
| α-helix | 753-754 | 2 | |
| α-helix | 762-764 | 3 | |
| β-strand | 769-775 | 7 | 39 |
| β-strand | 777 | 1 | 10 |
| β-strand | 787-790 | 4 | 39 |
| α-helix | 791-795 | 5 | |
| β-strand | 802-810 | 9 | 38 |
| β-strand | 823-825 | 3 | 40 |
| α-helix | 836-838 | 3 | |
| β-strand | 851-852 | 2 | 38 |
| β-strand | 859-863 | 5 | 40 |
| β-strand | 868-872 | 5 | 40 |
| β-strand | 880-888 | 9 | 38 |
| β-strand | 900-908 | 9 | 38 |
| β-strand | 916-919 | 4 | 39 |
| β-strand | 925-931 | 7 | 39 |
| β-strand | 938-939 | 2 | 41 |
| β-strand | 947-949 | 3 | 39 |
| α-helix | 953-957 | 5 | |
| α-helix | 960-975 | 16 | |
| α-helix | 977-980 | 4 | |
| α-helix | 988-990 | 3 | |
| α-helix | 992-1003 | 12 | |
| β-strand | 1010-1011 | 2 | 39 |
| β-strand | 1013-1014 | 2 | 41 |
| α-helix | 1020 | 1 | |
| β-strand | 1021 | 1 | 41 |
| α-helix | 1022 | 1 | |
| β-strand | 1026-1035 | 10 | 39 |
| β-strand | 1036 | 1 | 37 |
| β-strand | 1045-1047 | 3 | 2 |
| α-helix | 1059-1060 | 2 | |
| β-strand | 1061 | 1 | 42 |
| β-strand | 1068 | 1 | 42 |
| β-strand | 1070 | 1 | 1 |
| α-helix | 1073-1081 | 9 | |
| α-helix | 1085-1091 | 7 | |
| β-strand | 1104 | 1 | 43 |
| α-helix | 1123-1124 | 2 | |
| β-strand | 1173 | 1 | 43 |
| α-helix | 1181-1192 | 12 | |
Chain C: 12 helices, 18 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 33-39 | 7 | |
| β-strand | 41-43 | 3 | 44 |
| β-strand | 52 | 1 | 45 |
| β-strand | 55-57 | 3 | 44 |
| α-helix | 61-69 | 9 | |
| α-helix | 70-74 | 5 | |
| β-strand | 77-88 | 12 | 46 |
| α-helix | 94-102 | 9 | |
| α-helix | 122-125 | 4 | |
| β-strand | 132-135 | 4 | 46 |
| β-strand | 138-140 | 3 | 46 |
| β-strand | 141-142 | 2 | 47 |
| α-helix | 153-156 | 4 | |
| β-strand | 157-158 | 2 | 47 |
| β-strand | 161-163 | 3 | 48 |
| α-helix | 164-166 | 3 | |
| β-strand | 168 | 1 | 46 |
| α-helix | 175-178 | 4 | |
| β-strand | 192-195 | 4 | 48 |
| β-strand | 200-211 | 12 | 46 |
| α-helix | 217-219 | 3 | |
| β-strand | 227-235 | 9 | 44 |
| β-strand | 240 | 1 | 49 |
| α-helix | 242-250 | 9 | |
| β-strand | 256-259 | 4 | 49 |
| β-strand | 264-267 | 4 | 49 |
| α-helix | 278-281 | 4 | |
| β-strand | 289-300 | 12 | 44 |
| β-strand | 302 | 1 | 45 |
| α-helix | 310-330 | 21 | |
Chain E: 9 helices, 2 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 6-26 | 21 | |
| α-helix | 32-36 | 5 | |
| α-helix | 39-45 | 7 | |
| β-strand | 61-62 | 2 | 50 |
| α-helix | 68-70 | 3 | |
| β-strand | 80-81 | 2 | 50 |
| α-helix | 118-121 | 4 | |
| α-helix | 152-155 | 4 | |
| α-helix | 162-168 | 7 | |
| α-helix | 172-174 | 3 | |
| α-helix | 183-187 | 5 | |
Chain F: 4 helices, 4 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 56-60 | 5 | |
| α-helix | 66-71 | 6 | |
| β-strand | 73 | 1 | 51 |
| α-helix | 87-102 | 16 | |
| α-helix | 117-127 | 11 | |
| β-strand | 133-135 | 3 | 25 |
| β-strand | 143 | 1 | 51 |
| β-strand | 145-147 | 3 | 25 |
Chain G: 0 helices, 3 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 55 | 1 | 52 |
| β-strand | 102 | 1 | 52 |
| β-strand | 106 | 1 | 25 |
Chain H: 2 helices, 12 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 4-12 | 9 | 8 |
| β-strand | 15-16 | 2 | 53 |
| β-strand | 23-29 | 7 | 53 |
| β-strand | 30 | 1 | 8 |
| β-strand | 37-43 | 7 | 53 |
| β-strand | 53-60 | 8 | 8 |
| α-helix | 89-92 | 4 | |
| β-strand | 95-97 | 3 | 8 |
| β-strand | 100-108 | 9 | 53 |
| β-strand | 111-118 | 8 | 53 |
| β-strand | 121-127 | 7 | 53 |
| α-helix | 129-132 | 4 | |
| β-strand | 139 | 1 | 53 |
| β-strand | 141-145 | 5 | 8 |
Chain I: 0 helices, 1 β-strand
| Element | Residues | Length | Sheet |
|---|
| β-strand | 46-49 | 4 | 21 |
5 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 I subunit RPA190 | A | protein | 1664 | Saccharomyces cerevisiae | P10964 (AlphaFold model) |
| DNA-directed RNA polymerase I subunit RPA135 | B | protein | 1203 | Saccharomyces cerevisiae | P22138 (AlphaFold model) |
| DNA-directed RNA polymerases I and III subunit RPAC1 | C | protein | 335 | Saccharomyces cerevisiae | P07703 (AlphaFold model) |
| DNA-directed RNA polymerases I, II, and III subunit RPABC1 | E | protein | 215 | Saccharomyces cerevisiae | P20434 (AlphaFold model) |
| DNA-directed RNA polymerases I, II, and III subunit RPABC2 | F | protein | 155 | Saccharomyces cerevisiae | P20435 |
| DNA-directed RNA polymerase I subunit RPA43 | G | protein | 326 | Saccharomyces cerevisiae | P46669 |
| DNA-directed RNA polymerases I, II, and III subunit RPABC3 | H | protein | 146 | Saccharomyces cerevisiae | P20436 |
| DNA-directed RNA polymerase I subunit RPA12 | I | protein | 125 | Saccharomyces cerevisiae | P32529 |
| DNA-directed RNA polymerases I, II, and III subunit RPABC5 | J | protein | 70 | Saccharomyces cerevisiae | P22139 |
| DNA-directed RNA polymerases I and III subunit RPAC2 | K | protein | 142 | Saccharomyces cerevisiae | P28000 |
| DNA-directed RNA polymerases I, II, and III subunit RPABC4 | L | protein | 70 | Saccharomyces cerevisiae | P40422 |
| DNA-directed RNA polymerase I subunit RPA49 | M | protein | 415 | Saccharomyces cerevisiae | Q01080 |
4 more molecules are not listed.
Sequence of entity 1 (A), FASTA
>9G2C_1 DNA-directed RNA polymerase I subunit RPA190 (chains A)
MDISKPVGSEITSVDFGILTAKEIRNLSAKQITNPTVLDNLGHPVSGGLYDLALGAFLRN
LCSTCGLDEKFCPGHQGHIELPVPCYNPLFFNQLYIYLRASCLFCHHFRLKSVEVHRYAC
KLRLLQYGLIDESYKLDEITLGSLNSSMYTDDEAIEDNEDEMDGEGSKQSKDISSTLLNE
LKSKRSEYVDMAIAKALSDGRTTERGSFTATVNDERKKLVHEFHKKLLSRGKCDNCGMFS
PKFRKDGFTKIFETALNEKQITNNRVKGFIRQDMIKKQKQAKKLDGSNEASANDEESFDV
GRNPTTRPKTGSTYILSTEVKNILDTVFRKEQCVLQYVFHSRPNLSRKLVKADSFFMDVL
VVPPTRFRLPSKLGEEVHENSQNQLLSKVLTTSLLIRDLNDDLSKLQKDKVSLEDRRVIF
SRLMNAFVTIQNDVNAFIDSTKAQGRTSGKVPIPGVKQALEKKEGLFRKHMMGKRVNYAA
RSVISPDPNIETNEIGVPPVFAVKLTYPEPVTAYNIAELRQAVINGPDKWPGATQIQNED
GSLVSLIGMSVEQRKALANQLLTPSSNVSTHTLNKKVYRHIKNRDVVLMNRQPTLHKASM
MGHKVRVLPNEKTLRLHYANTGAYNADFDGDEMNMHFPQNENARAEALNLANTDSQYLTP
TSGSPVRGLIQDHISAGVWLTSKDSFFTREQYQQYIYGCIRPEDGHTTRSKIVTLPPTIF
KPYPLWTGKQIITTVLLNVTPPDMPGINLISKNKIKNEYWGKGSLENEVLFKDGALLCGI
LDKSQYGASKYGIVHSLHEVYGPEVAAKVLSVLGRLFTNYITATAFTCGMDDLRLTAEGN
KWRTDILKTSVDTGREAAAEVTNLDKDTPADDPELLKRLQEILRDNNKSGILDAVTSSKV
NAITSQVVSKCVPDGTMKKFPCNSMQAMALSGAKGSNVNVSQIMCLLGQQALEGRRVPVM
VSGKTLPSFKPYETDAMAGGYVKGRFYSGIKPQEYYFHCMAGREGLIDTAVKTSRSGYLQ
RCLTKQLEGVHVSYDNSIRDADGTLVQFMYGGDAIDITKESHMTQFEFCLDNYYALLKKY
NPSALIEHLDVESALKYSKKTLKYRKKHSKEPHYKQSVKYDPVLAKYNPAKYLGSVSENF
QDKLESFLDKNSKLFKSSDGVNEKKFRALMQLKYMRSLINPGEAVGIIASQSVGEPSTQM
TLNTFHFAGHGAANVTLGIPRLREIVMTASAAIKTPQMTLPIWNDVSDEQADTFCKSISK
VLLSEVIDKVIVTETTGTSNTAGGNAARSYVIHMRFFDNNEYSEEYDVSKEELQNVISNQ
FIHLLEAAIVKEIKKQKRTTGPDIGVAVPRLQTDVANSSSNSKRLEEDNDEEQSHKKTKQ
AVSYDEPDEDEIETMREAEKSSDEEGIDSDKESDSDSEDEDVDMNEQINKSIVEANNNMN
KVQRDRQSAIISHHRFITKYNFDDESGKWCEFKLELAADTEKLLMVNIVEEICRKSIIRQ
IPHIDRCVHPEPENGKRVLVTEGVNFQAMWDQEAFIDVDGITSNDVAAVLKTYGVEAARN
TIVNEINNVFSRYAISVSFRHLDLIADMMTRQGTYLAFNRQGMETSTSSFMKMSYETTCQ
FLTKAVLDNEREQLDSPSARIVVGKLNNVGTGSFDVLAKVPNAA
Sequence of entity 2 (B), FASTA
>9G2C_2 DNA-directed RNA polymerase I subunit RPA135 (chains B)
MSKVIKPPGQARTADFRTLERESRFINPPKDKSAFPLLQEAVQPHIGSFNALTEGPDGGL
LNLGVKDIGEKVIFDGKPLNSEDEISNSGYLGNKLSVSVEQVSIAKPMSNDGVSSAVERK
VYPSESRQRLTSYRGKLLLKLKWSVNNGEENLFEVRDCGGLPVMLQSNRCHLNKMSPYEL
VQHKEESDEIGGYFIVNGIEKLIRMLIVQRRNHPMAIIRPSFANRGASYSHYGIQIRSVR
PDQTSQTNVLHYLNDGQVTFRFSWRKNEYLVPVVMILKALCHTSDREIFDGIIGNDVKDS
FLTDRLELLLRGFKKRYPHLQNRTQVLQYLGDKFRVVFQASPDQSDLEVGQEVLDRIVLV
HLGKDGSQDKFRMLLFMIRKLYSLVAGECSPDNPDATQHQEVLLGGFLYGMILKEKIDEY
LQNIIAQVRMDINRGMAINFKDKRYMSRVLMRVNENIGSKMQYFLSTGNLVSQSGLDLQQ
VSGYTVVAEKINFYRFISHFRMVHRGSFFAQLKTTTVRKLLPESWGFLCPVHTPDGSPCG
LLNHFAHKCRISTQQSDVSRIPSILYSLGVAPASHTFAAGPSLCCVQIDGKIIGWVSHEQ
GKIIADTLRYWKVEGKTPGLPIDLEIGYVPPSTRGQYPGLYLFGGHSRMLRPVRYLPLDK
EDIVGPFEQVYMNIAVTPQEIQNNVHTHVEFTPTNILSILANLTPFSDFNQSPRNMYQCQ
MGKQTMGTPGVALCHRSDNKLYRLQTGQTPIVKANLYDDYGMDNFPNGFNAVVAVISYTG
YDMDDAMIINKSADERGFGYGTMYKTEKVDLALNRNRGDPITQHFGFGNDEWPKEWLEKL
DEDGLPYIGTYVEEGDPICAYFDDTLNKTKIKTYHSSEPAYIEEVNLIGDESNKFQELQT
VSIKYRIRRTPQIGDKFSSRHGQKGVCSRKWPTIDMPFSETGIQPDIIINPHAFPSRMTI
GMFVESLAGKAGALHGIAQDSTPWIFNEDDTPADYFGEQLAKAGYNYHGNEPMYSGATGE
ELRADIYVGVVYYQRLRHMVNDKFQVRSTGPVNSLTMQPVKGRKRHGGIRVGEMERDALI
GHGTSFLLQDRLLNSSDYTQASVCRECGSILTTQQSVPRIGSISTVCCRRCSMRFEDAKK
LLTKSEDGEKIFIDDSQIWEDGQGNKFVGGNETTTVAIPFVLKYLDSELSAMGIRLRYNV
EPK
Sequence of entity 3 (C), FASTA
>9G2C_3 DNA-directed RNA polymerases I and III subunit RPAC1 (chains C)
MSNIVGIEYNRVTNTTSTDFPGFSKDAENEWNVEKFKKDFEVNISSLDAREANFDLINID
TSIANAFRRIMISEVPSVAAEYVYFFNNTSVIQDEVLAHRIGLVPLKVDPDMLTWVDSNL
PDDEKFTDENTIVLSLNVKCTRNPDAPKGSTDPKELYNNAHVYARDLKFEPQGRQSTTFA
DCPVVPADPDILLAKLRPGQEISLKAHCILGIGGDHAKFSPVSTASYRLLPQINILQPIK
GESARRFQKCFPPGVIGIDEGSDEAYVKDARKDTVSREVLRYEEFADKVKLGRVRNHFIF
NVESAGAMTPEEIFFKSVRILKNKAEYLKNCPITQ
Sequence of entity 4 (E), FASTA
>9G2C_4 DNA-directed RNA polymerases I, II, and III subunit RPABC1 (chains E)
MDQENERNISRLWRAFRTVKEMVKDRGYFITQEEVELPLEDFKAKYCDSMGRPQRKMMSF
QANPTEESISKFPDMGSLWVEFCDEPSVGVKTMKTFVIHIQEKNFQTGIFVYQNNITPSA
MKLVPSIPPATIETFNEAALVVNITHHELVPKHIRLSSDEKRELLKRYRLKESQLPRIQR
ADPVALYLGLKRGEVVKIIRKSETSGRYASYRICM
Sequence of entity 5 (F), FASTA
>9G2C_5 DNA-directed RNA polymerases I, II, and III subunit RPABC2 (chains F)
MSDYEEAFNDGNENFEDFDVEHFSDEETYEEKPQFKDGETTDANGKTIVTGGNGPEDFQQ
HEQIRRKTLKEKAIPKDQRATTPYMTKYERARILGTRALQISMNAPVFVDLEGETDPLRI
AMKELAEKKIPLVIRRYLPDGSFEDWSVEELIVDL
Sequence of entity 6 (G), FASTA
>9G2C_6 DNA-directed RNA polymerase I subunit RPA43 (chains G)
MSQVKRANENRETARFIKKHKKQVTNPIDEKNGTSNCIVRVPIALYVSLAPMYLENPLQG
VMKQHLNPLVMKYNNKVGGVVLGYEGLKILDADPLSKEDTSEKLIKITPDTPFGFTWCHV
NLYVWQPQVGDVLEGYIFIQSASHIGLLIHDAFNASIKKNNIPVDWTFVHNDVEEDADVI
NTDENNGNNNNEDNKDSNGGSNSLGKFSFGNRSLGHWVDSNGEPIDGKLRFTVRNVHTTG
RVVSVDGTLISDADEEGNGYNSSRSQAESLPIVSNKKIVFDDEVSIENKESHKELDLPEV
KEDNGSEIVYEENTSESNDGESSDSD
Sequence of entity 7 (H), FASTA
>9G2C_7 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H)
MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIA
SSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGG
LLMRLEGNYRNLNNLKQENAYLLIRR
Sequence of entity 8 (I), FASTA
>9G2C_8 DNA-directed RNA polymerase I subunit RPA12 (chains I)
MSVVGSLIFCLDCGDLLENPNAVLGSNVECSQCKAIYPKSQFSNLKVVTTTADDAFPSSL
RAKKSVVKTSLKKNELKDGATIKEKCPQCGNEEMNYHTLQLRSADEGATVFYTCTSCGYK
FRTNN
Sequence of entity 9 (J), FASTA
>9G2C_9 DNA-directed RNA polymerases I, II, and III subunit RPABC5 (chains J)
MIVPVRCFSCGKVVGDKWESYLNLLQEDELDEGTALSRLGLKRYCCRRMILTHVDLIEKF
LRYNPLEKRD
Sequence of entity 10 (K), FASTA
>9G2C_10 DNA-directed RNA polymerases I and III subunit RPAC2 (chains K)
MTEDIEQKKTATEVTPQEPKHIQEEEEQDVDMTGDEEQEEEPDREKIKLLTQATSEDGTS
ASFQIVEEDHTLGNALRYVIMKNPDVEFCGYSIPHPSENLLNIRIQTYGETTAVDALQKG
LKDLMDLCDVVESKFTEKIKSM
Sequence of entity 11 (L), FASTA
>9G2C_11 DNA-directed RNA polymerases I, II, and III subunit RPABC4 (chains L)
MSREGFQIPTNLDAAAAGTSQARTATLKYICAECSSKLSLSRTDAVRCKDCGHRILLKAR
TKRLVQFEAR
Sequence of entity 12 (M), FASTA
>9G2C_12 DNA-directed RNA polymerase I subunit RPA49 (chains M)
MSVKRSVSEIEIESVQDQPSVAVGSFFKGFRAPSDTTFDLYKKKKSEKDEFVLHGENERL
EYEGYTDSSSQASNQYVVGLFNPEKKSIQLYKAPVLVSKVVSKSSKNLRGPKIKSKSDTR
PSALRNALGEAFGTKKAKKAIADLERNRIDSDKLTDSAIDIVDSVRTASKDLPTRAQLDE
ITSNDRPTPLANIDATDVEQIYPIESIIPKKELQFIRVSSILKEADKEKKLELFPYQNNS
KYVAKKLDSLTQPSQMTKLQLLYYLSLLLGVYENRRVNNKTKLLERLNSPPEILVDGILS
RFTVIKPGQFGRSKDRSYFIDPQNEDKILCYILAIIMHLDNFIVEITPLAHELNLKPSKV
VSLFRVLGAIVKGATVAQAEAFGIPKSTAASYKIATMKVPFKLPEMTRRGRGPRR
Ligands and cofactors
| ID | Name | Formula | Copies |
|---|
| ZN | Zinc ion | Zn | 4 |
Primary citation
Cryo-EM uncovers a sequential mechanism for RNA polymerase I pausing and stalling at abasic DNA lesions. Santos-Aledo, A., Plaza-Pegueroles, A., Sanz-Murillo, M. et al. Nat Commun (2025) 16:5254-5254. DOI 10.1038/s41467-025-60536-4 · PubMed
Other PDB entries of the same protein (UniProt P10964 (AlphaFold model), which also has an AlphaFold model), best resolution first:
- 6RUI 2.7 Å, RNA Polymerase I Pre-initiation complex DNA opening intermediate 2
- 9G1V 2.7 Å, Yeast RNA polymerase I elongation complex stalled by an apurinic site
- 4C2M 2.8 Å, Structure of RNA polymerase I at 2.8 A resolution
- 9G27 2.8 Å, Yeast RNA polymerase I elongation complex stalled by an apurinic site, pre-translocation…
- 6RQL 2.9 Å, RNA Polymerase I Closed Conformation 2 (CC2)
- 4C3I 3.0 Å, Structure of 14-subunit RNA polymerase I at 3.0 A resolution, crystal form C2-100
- 6RWE 3.0 Å, RNA Polymerase I Open Complex conformation 2
- 6RRD 3.1 Å, RNA Polymerase I Pre-initiation complex DNA opening intermediate 1
- 6HLQ 3.18 Å, Yeast RNA polymerase I* elongation complex bound to nucleotide analog GMPCPP
- 6HLR 3.18 Å, Yeast RNA polymerase I elongation complex bound to nucleotide analog GMPCPP (core focused)
- 9G2B 3.2 Å, Yeast RNA polymerase I elongation complex stalled by an apurinic site, 12-subunit
- 6HLS 3.21 Å, Yeast apo RNA polymerase I*
Browse structure collections
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