9G24: DNA-directed RNA polymerase I subunit RPA190

Yeast RNA polymerase I elongation complex stalled by an apurinic site bound to nucleotide analog AMPCPP at E-site. Determined by electron microscopy at 3.5 Å resolution. Released 18 Jun 2025.

Method
Electron microscopy
Resolution
3.5 Å
Organism
Saccharomyces cerevisiae
Chains
17
Atoms
34,117
Mol. weight
618.17 kDa
Ligands
MG, APC, ZN
Released
18 Jun 2025

Explore 9G24 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9G24 contains 178 α-helices and 239 β-strands across 14 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: 73 helices, 63 β-strands

ElementResiduesLengthSheet
β-strand11-1881
α-helix21-277
β-strand3812
α-helix431
β-strand4412
α-helix451
β-strand5713
β-strand6013
β-strand77-8044
β-strand8615
α-helix91-999
β-strand10116
β-strand10816
α-helix112-12514
α-helix130-1367
α-helix176-1783
α-helix180-19819
α-helix210-22718
β-strand244-24637
β-strand250-25347
α-helix259-2668
β-strand313-31427
α-helix317-33014
α-helix332-3387
β-strand35615
β-strand359-36244
α-helix381-40727
α-helix410-4123
α-helix413-43826
α-helix452-4543
α-helix457-4593
α-helix466-4705
β-strand47518
β-strand479-48689
β-strand494-49749
α-helix499-5024
β-strand506-510510
α-helix5111
α-helix516-52510
β-strand533-537510
β-strand543-545310
α-helix551-5599
β-strand576-580510
β-strand586-59059
α-helix597-5993
β-strand600-60789
β-strand614-61639
α-helix619-6246
β-strand632-63659
α-helix641-6499
β-strand65219
α-helix654-6563
β-strand658111
β-strand665111
α-helix672-6809
α-helix689-6979
β-strand719-721312
β-strand725112
α-helix728-73912
α-helix745-7473
β-strand750-752313
α-helix757-7604
β-strand768-771413
β-strand776-778313
α-helix793-82331
β-strand826-827214
α-helix830-8334
β-strand835115
α-helix837-84711
α-helix848-8503
α-helix853-8619
α-helix873-88412
α-helix887-91125
β-strand916115
α-helix924-9307
α-helix937-9448
β-strand949116
α-helix977-9793
β-strand981116
β-strand985117
β-strand989117
α-helix992-101423
α-helix1017-102711
β-strand1031-1032218
β-strand1038-1039218
β-strand1045-1047318
β-strand1055119
α-helix1057-10626
α-helix1066-10716
α-helix1073-10808
α-helix1082-10843
β-strand1090120
α-helix1092-110716
α-helix1113-11153
β-strand1132120
α-helix1138-115013
α-helix1163-117614
β-strand1178119
α-helix1185-119410
α-helix1196-11994
α-helix1218-12225
α-helix1223-12286
β-strand1238-1241421
β-strand1242122
α-helix1252-12587
β-strand1261-1262223
α-helix1263-12653
β-strand1267-1275924
β-strand1288125
β-strand1289-1296824
α-helix1299-13068
α-helix1310-13167
α-helix1317-13215
α-helix1322-133716
α-helix1441-145313
β-strand1461-1462224
β-strand1470-1473424
β-strand1476125
α-helix1487-14959
β-strand1497-1499323
β-strand1507-1508221
α-helix1510-15123
β-strand1518-1521421
α-helix1526-15305
β-strand1536122
α-helix1538-15403
β-strand1542-1543221
α-helix1547-156721
α-helix1579-158911
α-helix1600-16023
α-helix1609-16157
α-helix1618-162710
β-strand1631-163221
α-helix1637-16437
α-helix1650-16523
β-strand1654-1660726
Chain B: 49 helices, 78 β-strands
ElementResiduesLengthSheet
β-strand14127
α-helix18-269
α-helix36-405
α-helix43-5311
α-helix56-583
α-helix60-689
β-strand71-73328
β-strand95-1041028
β-strand108-109229
β-strand119-120229
α-helix123-1286
β-strand134-1451228
β-strand150-151228
β-strand155-162828
α-helix177-1826
β-strand194-196330
β-strand199-203530
β-strand206-209431
α-helix2101
β-strand215-216232
α-helix220-2234
β-strand234-235232
β-strand237-239333
β-strand245-247333
β-strand249-250232
β-strand253134
β-strand257134
β-strand259-263532
β-strand268-272532
α-helix273-2808
α-helix285-2928
α-helix300-31617
α-helix323-33311
α-helix346-35712
α-helix360-3623
α-helix367-38519
α-helix391-3933
α-helix397-3993
β-strand400-403431
α-helix406-43328
α-helix443-45210
α-helix457-46711
β-strand485-487330
α-helix493-4997
β-strand502-503235
β-strand504131
α-helix507-5104
α-helix522-5243
β-strand528136
β-strand543-544235
β-strand545136
β-strand550-552337
α-helix561-5677
β-strand571-572238
β-strand584-588538
β-strand592-596538
α-helix598-61316
β-strand625-629538
α-helix637-6382
β-strand639-643538
β-strand648-650337
β-strand651-655539
α-helix657-6593
β-strand661-664439
α-helix666-6694
β-strand674-675239
α-helix678-6803
β-strand688-689239
α-helix693-6964
α-helix707-7093
α-helix712-72211
β-strand725140
α-helix733-7353
β-strand740-744541
β-strand748142
β-strand752-753243
α-helix762-7643
β-strand769-775744
β-strand776-777214
β-strand787-790444
α-helix791-7955
β-strand801-8101041
α-helix819-8213
β-strand823-825345
α-helix834-8374
β-strand851-852241
β-strand860-863445
β-strand868-871445
β-strand880-888941
β-strand900-908941
β-strand916146
β-strand917-919344
β-strand926146
β-strand927-931544
β-strand938-939247
α-helix943-9453
β-strand947-949344
α-helix953-9575
α-helix960-97516
β-strand978127
β-strand979-980243
α-helix992-100312
β-strand1010-1011244
β-strand1013-1014247
β-strand1021147
α-helix10221
β-strand1026-10351044
β-strand1036140
α-helix1041-10433
β-strand1045-104739
β-strand1052148
β-strand1059148
α-helix1067-10693
β-strand107018
α-helix1073-10819
α-helix1086-10894
α-helix1090-10945
β-strand1098-1103649
β-strand1113-1115350
β-strand1117151
β-strand1126-1128350
β-strand1133-1134251
β-strand1158-1160351
β-strand1166-1168351
β-strand1174-1179649
α-helix1180-119112
β-strand1194-120071
Chain C: 14 helices, 22 β-strands
ElementResiduesLengthSheet
α-helix33-397
β-strand41-42252
β-strand46-47253
β-strand51-53353
β-strand55-57352
α-helix61-7313
β-strand77-881254
α-helix94-1029
β-strand106155
α-helix110-1123
α-helix122-1254
β-strand132-139854
β-strand141-142256
α-helix146-1472
α-helix153-1564
β-strand157-158256
β-strand161-163357
α-helix164-1663
β-strand168-170354
α-helix175-1784
β-strand186155
β-strand192-195457
β-strand201-2111154
β-strand222-226553
β-strand229-235752
β-strand240158
α-helix242-2476
α-helix248-2503
β-strand256-259458
β-strand264-267458
α-helix270-2723
α-helix279-2813
β-strand289-2991152
β-strand301-304453
α-helix310-33021
β-strand334159
Chain D: 4 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand24126
α-helix40-434
α-helix45-484
α-helix88-903
α-helix94-974
Chain E: 11 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix5-2622
β-strand28160
α-helix39-457
α-helix55-584
β-strand61-62261
β-strand64160
α-helix66-716
β-strand78-82561
α-helix90-10213
β-strand107-112661
α-helix118-1236
β-strand131-136661
α-helix138-1403
β-strand152-155462
α-helix158-16811
α-helix1761
β-strand177-178262
α-helix183-1886
α-helix1941
β-strand195-202862
β-strand206-214962
Chain F: 5 helices, 6 β-strands
ElementResiduesLengthSheet
α-helix59-7214
β-strand73126
α-helix76-783
β-strand84-85263
α-helix861
α-helix87-10216
α-helix117-12711
β-strand132-137626
β-strand143-144226
β-strand147126
β-strand152-153263
Chain G: 5 helices, 15 β-strands
ElementResiduesLengthSheet
β-strand39-491126
α-helix51-533
α-helix57-615
α-helix62-665
α-helix67-693
β-strand73126
β-strand80-901126
β-strand103-107526
β-strand114-1251226
β-strand132-135464
β-strand136165
β-strand140166
β-strand145166
β-strand148165
β-strand149167
β-strand153167
α-helix223-2253
β-strand229-232464
β-strand235-237368
β-strand244-246368
Chain H: 2 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand4-11812
β-strand15-16269
β-strand23-26469
β-strand28-30312
β-strand37-38212
β-strand40112
β-strand41-43369
β-strand54-60712
α-helix89-924
β-strand95-1061212
β-strand112-118712
β-strand121-126612
α-helix129-1324
β-strand139-145712

6 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA-directed RNA polymerase I subunit RPA190Aprotein1664Saccharomyces cerevisiaeP10964 (AlphaFold model)
DNA-directed RNA polymerase I subunit RPA135Bprotein1203Saccharomyces cerevisiaeP22138 (AlphaFold model)
DNA-directed RNA polymerases I and III subunit RPAC1Cprotein335Saccharomyces cerevisiaeP07703 (AlphaFold model)
DNA-directed RNA polymerase I subunit RPA14Dprotein137Saccharomyces cerevisiaeP50106 (AlphaFold model)
DNA-directed RNA polymerases I, II, and III subunit RPABC1Eprotein215Saccharomyces cerevisiaeP20434
DNA-directed RNA polymerases I, II, and III subunit RPABC2Fprotein155Saccharomyces cerevisiaeP20435
DNA-directed RNA polymerase I subunit RPA43Gprotein326Saccharomyces cerevisiaeP46669
DNA-directed RNA polymerases I, II, and III subunit RPABC3Hprotein146Saccharomyces cerevisiaeP20436
DNA-directed RNA polymerase I subunit RPA12Iprotein125Saccharomyces cerevisiaeP32529
DNA-directed RNA polymerases I, II, and III subunit RPABC5Jprotein70Saccharomyces cerevisiaeP22139
DNA-directed RNA polymerases I and III subunit RPAC2Kprotein142Saccharomyces cerevisiaeP28000
DNA-directed RNA polymerases I, II, and III subunit RPABC4Lprotein70Saccharomyces cerevisiaeP40422

5 more molecules are not listed.

Sequence of entity 1 (A), FASTA
>9G24_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
>9G24_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
>9G24_3 DNA-directed RNA polymerases I and III subunit RPAC1 (chains C)
MSNIVGIEYNRVTNTTSTDFPGFSKDAENEWNVEKFKKDFEVNISSLDAREANFDLINID
TSIANAFRRIMISEVPSVAAEYVYFFNNTSVIQDEVLAHRIGLVPLKVDPDMLTWVDSNL
PDDEKFTDENTIVLSLNVKCTRNPDAPKGSTDPKELYNNAHVYARDLKFEPQGRQSTTFA
DCPVVPADPDILLAKLRPGQEISLKAHCILGIGGDHAKFSPVSTASYRLLPQINILQPIK
GESARRFQKCFPPGVIGIDEGSDEAYVKDARKDTVSREVLRYEEFADKVKLGRVRNHFIF
NVESAGAMTPEEIFFKSVRILKNKAEYLKNCPITQ
Sequence of entity 4 (D), FASTA
>9G24_4 DNA-directed RNA polymerase I subunit RPA14 (chains D)
MMKGSRRTGNNTATTLNTPVVIHATQLPQHVSTDEVLQFLESFIDEKENIIDSTTMNTIS
GNAADADAAAVANTSLNIDTNLSSSISQLKRIQRDFKGLPPAQDFSAAPIQVSTTEKKET
SIGVSATGGKKTTFADE
Sequence of entity 5 (E), FASTA
>9G24_5 DNA-directed RNA polymerases I, II, and III subunit RPABC1 (chains E)
MDQENERNISRLWRAFRTVKEMVKDRGYFITQEEVELPLEDFKAKYCDSMGRPQRKMMSF
QANPTEESISKFPDMGSLWVEFCDEPSVGVKTMKTFVIHIQEKNFQTGIFVYQNNITPSA
MKLVPSIPPATIETFNEAALVVNITHHELVPKHIRLSSDEKRELLKRYRLKESQLPRIQR
ADPVALYLGLKRGEVVKIIRKSETSGRYASYRICM
Sequence of entity 6 (F), FASTA
>9G24_6 DNA-directed RNA polymerases I, II, and III subunit RPABC2 (chains F)
MSDYEEAFNDGNENFEDFDVEHFSDEETYEEKPQFKDGETTDANGKTIVTGGNGPEDFQQ
HEQIRRKTLKEKAIPKDQRATTPYMTKYERARILGTRALQISMNAPVFVDLEGETDPLRI
AMKELAEKKIPLVIRRYLPDGSFEDWSVEELIVDL
Sequence of entity 7 (G), FASTA
>9G24_7 DNA-directed RNA polymerase I subunit RPA43 (chains G)
MSQVKRANENRETARFIKKHKKQVTNPIDEKNGTSNCIVRVPIALYVSLAPMYLENPLQG
VMKQHLNPLVMKYNNKVGGVVLGYEGLKILDADPLSKEDTSEKLIKITPDTPFGFTWCHV
NLYVWQPQVGDVLEGYIFIQSASHIGLLIHDAFNASIKKNNIPVDWTFVHNDVEEDADVI
NTDENNGNNNNEDNKDSNGGSNSLGKFSFGNRSLGHWVDSNGEPIDGKLRFTVRNVHTTG
RVVSVDGTLISDADEEGNGYNSSRSQAESLPIVSNKKIVFDDEVSIENKESHKELDLPEV
KEDNGSEIVYEENTSESNDGESSDSD
Sequence of entity 8 (H), FASTA
>9G24_8 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H)
MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIA
SSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGG
LLMRLEGNYRNLNNLKQENAYLLIRR
Sequence of entity 9 (I), FASTA
>9G24_9 DNA-directed RNA polymerase I subunit RPA12 (chains I)
MSVVGSLIFCLDCGDLLENPNAVLGSNVECSQCKAIYPKSQFSNLKVVTTTADDAFPSSL
RAKKSVVKTSLKKNELKDGATIKEKCPQCGNEEMNYHTLQLRSADEGATVFYTCTSCGYK
FRTNN
Sequence of entity 10 (J), FASTA
>9G24_10 DNA-directed RNA polymerases I, II, and III subunit RPABC5 (chains J)
MIVPVRCFSCGKVVGDKWESYLNLLQEDELDEGTALSRLGLKRYCCRRMILTHVDLIEKF
LRYNPLEKRD
Sequence of entity 11 (K), FASTA
>9G24_11 DNA-directed RNA polymerases I and III subunit RPAC2 (chains K)
MTEDIEQKKTATEVTPQEPKHIQEEEEQDVDMTGDEEQEEEPDREKIKLLTQATSEDGTS
ASFQIVEEDHTLGNALRYVIMKNPDVEFCGYSIPHPSENLLNIRIQTYGETTAVDALQKG
LKDLMDLCDVVESKFTEKIKSM
Sequence of entity 12 (L), FASTA
>9G24_12 DNA-directed RNA polymerases I, II, and III subunit RPABC4 (chains L)
MSREGFQIPTNLDAAAAGTSQARTATLKYICAECSSKLSLSRTDAVRCKDCGHRILLKAR
TKRLVQFEAR

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg1
APCDiphosphomethylphosphonic acid adenosyl esterC11 H18 N5 O12 P31
ZNZinc ionZn6

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:

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