6EU3: Apo RNA Polymerase III - closed conformation

Apo RNA Polymerase III - closed conformation (cPOL3). Determined by electron microscopy at 3.3 Å resolution. Released 17 Jan 2018.

Method
Electron microscopy
Resolution
3.3 Å
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Chains
17
Atoms
38,330
Mol. weight
694.53 kDa
Ligands
ZN, MG
Released
17 Jan 2018

Explore 6EU3 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6EU3 contains 178 α-helices and 236 β-strands across 17 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: 52 helices, 52 β-strands

ElementResiduesLengthSheet
β-strand11-1991
α-helix23-297
β-strand82-9092
α-helix96-1049
β-strand106-10723
β-strand112-11323
α-helix118-12710
α-helix134-14916
β-strand15314
β-strand16014
β-strand163-16645
β-strand178-18145
α-helix192-20716
β-strand220-22125
α-helix224-2329
α-helix238-2414
β-strand258-26362
α-helix264-2652
α-helix270-2723
α-helix284-30421
α-helix311-32616
β-strand371-37226
β-strand376-38387
β-strand391-39557
β-strand404-40748
α-helix413-42210
β-strand430-43458
β-strand441-44338
α-helix452-4554
β-strand461-46448
α-helix465-4662
β-strand471-47557
α-helix482-4843
β-strand485-49397
β-strand498-50037
β-strand516-52057
α-helix527-5337
α-helix555-5628
β-strand570-57129
α-helix573-58210
α-helix592-5954
β-strand597110
β-strand603110
β-strand604-60529
α-helix607-6148
β-strand627-628211
β-strand652-654311
β-strand659-661311
α-helix677-70832
α-helix723-74523
α-helix760-78223
α-helix790-7967
α-helix803-8097
α-helix858-87619
α-helix878-8814
α-helix884-8896
β-strand897-898212
β-strand904-905212
β-strand911-913312
α-helix916-9183
β-strand921113
β-strand927114
β-strand931114
α-helix935-94511
β-strand954115
α-helix958-9625
β-strand977116
β-strand983116
α-helix984-9852
α-helix986-9883
α-helix1000-102526
α-helix1050-10578
β-strand1062115
α-helix1064-107916
β-strand1082113
α-helix1083-10842
α-helix1089-109810
α-helix1100-11034
α-helix1123-11308
β-strand1141-1142217
β-strand1144117
α-helix1152-11598
α-helix1166-11694
β-strand1173118
β-strand1176-1178319
β-strand1181-1183319
β-strand1186118
α-helix1191-11955
α-helix1202-12109
α-helix1256-126510
β-strand1281-1285517
β-strand1291-1295517
β-strand1307120
β-strand1309120
β-strand1315-1316217
α-helix1319-13257
α-helix1329-134416
α-helix1353-13619
α-helix1383-13864
α-helix1395-14028
α-helix1419-14213
β-strand1429-1431321
β-strand1432122
α-helix1454-14563
Chain B: 43 helices, 73 β-strands
ElementResiduesLengthSheet
α-helix43-464
α-helix47-548
α-helix59-679
α-helix68-725
α-helix73-764
β-strand82-83223
β-strand93-100823
α-helix112-1143
α-helix117-1204
β-strand126-1351023
β-strand143-1531123
α-helix154-1552
α-helix168-1736
β-strand185-187324
β-strand190-194524
α-helix1951
β-strand196-200525
α-helix2011
β-strand205-208426
β-strand216-219426
β-strand220-221227
β-strand228-229227
β-strand231128
β-strand234129
β-strand240129
β-strand241-242230
β-strand243128
β-strand247131
β-strand251-252230
α-helix253-2597
α-helix266-2694
α-helix280-2889
α-helix301-3077
β-strand309131
α-helix344-36118
α-helix372-3743
β-strand375-378425
α-helix380-40324
α-helix428-43912
β-strand441-442232
β-strand451-452232
β-strand455-457324
α-helix458-4592
α-helix463-4686
β-strand472-475425
α-helix476-4772
α-helix491-4933
β-strand497133
β-strand511-513325
β-strand514133
β-strand519-520234
α-helix527-5359
α-helix538-5403
β-strand554-557435
β-strand560-561235
α-helix568-57912
β-strand589-593535
β-strand598-602535
β-strand608-614734
β-strand615136
β-strand620136
α-helix624-6307
α-helix639-6424
β-strand646-650534
α-helix654-6563
β-strand659-660234
β-strand672-673234
α-helix677-6804
α-helix685-6873
α-helix697-7059
β-strand724-728537
β-strand737138
β-strand753-759739
β-strand770-774539
β-strand785-7951137
β-strand806140
β-strand812141
β-strand815141
β-strand824142
β-strand829143
β-strand830142
α-helix8311
β-strand832144
β-strand835-836237
β-strand841-843343
β-strand845140
β-strand846-848345
β-strand866-868345
β-strand871-872243
β-strand879-887937
α-helix889-8924
β-strand894-9041137
β-strand911-913339
β-strand920-926739
β-strand942-944339
α-helix956-96813
β-strand975138
α-helix988-9925
β-strand1001-1002239
α-helix1003-10042
β-strand1005146
α-helix10061
β-strand1012146
β-strand1017-10261039
β-strand1036-103837
β-strand104617
β-strand1061-106226
α-helix1064-107310
α-helix1076-10794
α-helix1080-10856
α-helix1086-10883
β-strand1089-1095747
β-strand1101147
β-strand1116-1122747
α-helix1123-113412
β-strand1138-114581
Chain C: 11 helices, 21 β-strands
ElementResiduesLengthSheet
β-strand7148
β-strand12148
α-helix33-397
β-strand41-47749
β-strand51-57749
α-helix62-7211
β-strand77-861050
α-helix96-1016
β-strand106-107251
α-helix110-1123
α-helix115-1173
β-strand132-139850
β-strand141-142252
β-strand157-158252
β-strand161153
α-helix164-1663
β-strand168-170350
β-strand185-186251
β-strand195153
β-strand201-2111150
α-helix217-2193
β-strand222-226549
α-helix2291
β-strand230-234554
α-helix242-2509
β-strand257155
β-strand266155
α-helix270-2723
β-strand290-294554
β-strand298-304749
α-helix310-32617
β-strand334156
Chain D: 7 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand2-5457
α-helix13-219
α-helix56-6510
α-helix66-683
α-helix99-10911
α-helix118-1247
α-helix133-1353
α-helix147-16014
Chain E: 10 helices, 13 β-strands
ElementResiduesLengthSheet
α-helix3-53
α-helix10-2617
β-strand28158
α-helix40-467
β-strand47159
α-helix521
β-strand53159
α-helix541
α-helix56-583
β-strand60160
β-strand64158
α-helix68-714
β-strand80160
β-strand81-82261
α-helix91-10212
β-strand107-111561
β-strand131-134461
β-strand152-155462
α-helix158-16710
β-strand177-178262
α-helix190-1912
β-strand195-201762
β-strand207-214862
Chain F: 4 helices, 6 β-strands
ElementResiduesLengthSheet
β-strand72163
α-helix76-783
β-strand84164
α-helix88-10215
α-helix105-1073
α-helix117-12711
β-strand133-135321
β-strand142163
β-strand147121
β-strand152164
Chain G: 3 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand3-131157
α-helix15-173
α-helix22-3110
β-strand39165
β-strand43165
β-strand44-52957
β-strand57122
β-strand58157
β-strand66-771257
β-strand87166
β-strand88-91467
β-strand97-100467
β-strand108-110367
β-strand146166
β-strand153168
α-helix155-1573
β-strand196168
Chain H: 2 helices, 11 β-strands
ElementResiduesLengthSheet
β-strand4-161369
β-strand23-30869
β-strand38-43669
β-strand54-60769
α-helix80-834
α-helix89-913
β-strand95-96269
β-strand97110
β-strand100-107869
β-strand111-118869
β-strand121-127769
β-strand138169
β-strand143-145369

9 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 III subunit RPC1Aprotein1460Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P04051 (AlphaFold model)
DNA-directed RNA polymerase III subunit RPC2Bprotein1149Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P22276 (AlphaFold model)
DNA-directed RNA polymerases I and III subunit RPAC1Cprotein335Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P07703 (AlphaFold model)
DNA-directed RNA polymerase III subunit RPC9Dprotein161Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P47076 (AlphaFold model)
DNA-directed RNA polymerases I, II, and III subunit RPABC1Eprotein215Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P20434
DNA-directed RNA polymerases I, II, and III subunit RPABC2Fprotein155Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P20435
DNA-directed RNA polymerase III subunit RPC8Gprotein212Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P35718
DNA-directed RNA polymerases I, II, and III subunit RPABC3Hprotein146Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P20436
DNA-directed RNA polymerase III subunit RPC10Iprotein110Saccharomyces cerevisiae (strain ATCC 204508 / S288c)Q04307
DNA-directed RNA polymerases I, II, and III subunit RPABC5Jprotein70Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P22139
DNA-directed RNA polymerases I and III subunit RPAC2Kprotein142Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P28000
DNA-directed RNA polymerases I, II, and III subunit RPABC4Lprotein70Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P40422

5 more molecules are not listed.

Sequence of entity 1 (A), FASTA
>6EU3_1 DNA-directed RNA polymerase III subunit RPC1 (chains A)
MKEVVVSETPKRIKGLEFSALSAADIVAQSEVEVSTRDLFDLEKDRAPKANGALDPKMGV
SSSSLECATCHGNLASCHGHFGHLKLALPVFHIGYFKATIQILQGICKNCSAILLSETDK
RQFLHELRRPGVDNLRRMGILKKILDQCKKQRRCLHCGALNGVVKKAAAGAGSAALKIIH
DTFRWVGKKSAPEKDIWVGEWKEVLAHNPELERYVKRCMDDLNPLKTLNLFKQIKSADCE
LLGIDATVPSGRPETYIWRYLPAPPVCIRPSVMMQDSPASNEDDLTVKLTEIVWTSSLIK
AGLDKGISINNMMEHWDYLQLTVAMYINSDSVNPAMLPGSSNGGGKVKPIRGFCQRLKGK
QGRFRGNLSGKRVDFSGRTVISPDPNLSIDEVAVPDRVAKVLTYPEKVTRYNRHKLQELI
VNGPNVHPGANYLLKRNEDARRNLRYGDRMKLAKNLQIGDVVERHLEDGDVVLFNRQPSL
HRLSILSHYAKIRPWRTFRLNECVCTPYNADFDGDEMNLHVPQTEEARAEAINLMGVKNN
LLTPKSGEPIIAATQDFITGSYLISHKDSFYDRATLTQLLSMMSDGIEHFDIPPPAIMKP
YYLWTGKQVFSLLIKPNHNSPVVINLDAKNKVFVPPKSKSLPNEMSQNDGFVIIRGSQIL
SGVMDKSVLGDGKKHSVFYTILRDYGPQEAANAMNRMAKLCARFLGNRGFSIGINDVTPA
DDLKQKKEELVEIAYHKCDELITLFNKGELETQPGCNEEQTLEAKIGGLLSKVREEVGDV
CINELDNWNAPLIMATCGSKGSTLNVSQMVAVVGQQIISGNRVPDGFQDRSLPHFPKNSK
TPQSKGFVRNSFFSGLSPPEFLFHAISGREGLVDTAVKTAETGYMSRRLMKSLEDLSCQY
DNTVRTSANGIVQFTYGGDGLDPLEMEGNAQPVNFNRSWDHAYNITFNNQDKGLLPYAIM
ETANEILGPLEERLVRYDNSGCLVKREDLNKAEYVDQYDAERDFYHSLREYINGKATALA
NLRKSRGMLGLLEPPAKELQGIDPDETVPDNVKTSVSQLYRISEKSVRKFLEIALFKYRK
ARLEPGTAIGAIGAQSIGEPGTQMTLKTFHFAGVASMNVTLGVPRIKEIINASKVISTPI
INAVLVNDNDERAARVVKGRVEKTLLSDVAFYVQDVYKDNLSFIQVRIDLGTIDKLQLEL
TIEDIAVAITRASKLKIQASDVNIIGKDRIAINVFPEGYKAKSISTSAKEPSENDVFYRM
QQLRRALPDVVVKGLPDISRAVINIRDDGKRELLVEGYGLRDVMCTDGVIGSRTTTNHVL
EVFSVLGIEAARYSIIREINYTMSNHGMSVDPRHIQLLGDVMTYKGEVLGITRFGLSKMR
DSVLQLASFEKTTDHLFDAAFYMKKDAVEGVSECIILGQTMSIGTGSFKVVKGTNISEKD
LVPKRCLFESLSNEAALKAN
Sequence of entity 2 (B), FASTA
>6EU3_2 DNA-directed RNA polymerase III subunit RPC2 (chains B)
MVAATKRRKTHIHKHVKDEAFDDLLKPVYKGKKLTDEINTAQDKWHLLPAFLKVKGLVKQ
HLDSFNYFVDTDLKKIIKANQLILSDVDPEFYLKYVDIRVGKKSSSSTKDYLTPPHECRL
RDMTYSAPIYVDIEYTRGRNIIMHKDVEIGRMPIMLRSNKCILYDADESKMAKLNECPLD
PGGYFIVNGTEKVILVQEQLSKNRIIVEADEKKGIVQASVTSSTHERKSKTYVITKNGKI
YLKHNSIAEEIPIAIVLKACGILSDLEIMQLVCGNDSSYQDIFAVNLEESSKLDIYTQQQ
ALEYIGAKVKTMRRQKLTILQEGIEAIATTVIAHLTVEALDFREKALYIAMMTRRVVMAM
YNPKMIDDRDYVGNKRLELAGQLISLLFEDLFKKFNNDFKLSIDKVLKKPNRAMEYDALL
SINVHSNNITSGLNRAISTGNWSLKRFKMERAGVTHVLSRLSYISALGMMTRISSQFEKS
RKVSGPRALQPSQFGMLCTADTPEGEACGLVKNLALMTHITTDDEEEPIKKLCYVLGVED
ITLIDSASLHLNYGVYLNGTLIGSIRFPTKFVTQFRHLRRTGKVSEFISIYSNSHQMAVH
IATDGGRICRPLIIVSDGQSRVKDIHLRKLLDGELDFDDFLKLGLVEYLDVNEENDSYIA
LYEKDIVPSMTHLEIEPFTILGAVAGLIPYPHHNQSPRNTYQCAMGKQAIGAIAYNQFKR
IDTLLYLMTYPQQPMVKTKTIELIDYDKLPAGQNATVAVMSYSGYDIEDALVLNKSSIDR
GFGRCETRRKTTTVLKRYANHTQDIIGGMRVDENGDPIWQHQSLGPDGLGEVGMKVQSGQ
IYINKSVPTNSADAPNPNNVNVQTQYREAPVIYRGPEPSHIDQVMMSVSDNDQALIKVLL
RQNRRPELGDKFSSRHGQKGVCGIIVKQEDMPFNDQGIVPDIIMNPHGFPSRMTVGKMIE
LISGKAGVLNGTLEYGTCFGGSKLEDMSKILVDQGFNYSGKDMLYSGITGECLQAYIFFG
PIYYQKLKHMVLDKMHARARGPRAVLTRQPTEGRSRDGGLRLGEMERDCVIAYGASQLLL
ERLMISSDAFEVDVCDKCGLMGYSGWCTTCKSAENIIKMTIPYAAKLLFQELLSMNIAPR
LRLEDIFQQ
Sequence of entity 3 (C), FASTA
>6EU3_3 DNA-directed RNA polymerases I and III subunit RPAC1 (chains C)
MSNIVGIEYNRVTNTTSTDFPGFSKDAENEWNVEKFKKDFEVNISSLDAREANFDLINID
TSIANAFRRIMISEVPSVAAEYVYFFNNTSVIQDEVLAHRIGLVPLKVDPDMLTWVDSNL
PDDEKFTDENTIVLSLNVKCTRNPDAPKGSTDPKELYNNAHVYARDLKFEPQGRQSTTFA
DCPVVPADPDILLAKLRPGQEISLKAHCILGIGGDHAKFSPVSTASYRLLPQINILQPIK
GESARRFQKCFPPGVIGIDEGSDEAYVKDARKDTVSREVLRYEEFADKVKLGRVRNHFIF
NVESAGAMTPEEIFFKSVRILKNKAEYLKNCPITQ
Sequence of entity 4 (D), FASTA
>6EU3_4 DNA-directed RNA polymerase III subunit RPC9 (chains D)
MKVLEERNAFLSDYEVLKFLTDLEKKHLWDQKSLAALKKSRSKGKQNRPYNHPELQGITR
NVVNYLSINKNFINQEDEGEERESSGAKDAEKSGISKMSDESFAELMTKLNSFKLFKAEK
LQIVNQLPANMVHLYSIVEECDARFDEKTIEEMLEIISGYA
Sequence of entity 5 (E), FASTA
>6EU3_5 DNA-directed RNA polymerases I, II, and III subunit RPABC1 (chains E)
MDQENERNISRLWRAFRTVKEMVKDRGYFITQEEVELPLEDFKAKYCDSMGRPQRKMMSF
QANPTEESISKFPDMGSLWVEFCDEPSVGVKTMKTFVIHIQEKNFQTGIFVYQNNITPSA
MKLVPSIPPATIETFNEAALVVNITHHELVPKHIRLSSDEKRELLKRYRLKESQLPRIQR
ADPVALYLGLKRGEVVKIIRKSETSGRYASYRICM
Sequence of entity 6 (F), FASTA
>6EU3_6 DNA-directed RNA polymerases I, II, and III subunit RPABC2 (chains F)
MSDYEEAFNDGNENFEDFDVEHFSDEETYEEKPQFKDGETTDANGKTIVTGGNGPEDFQQ
HEQIRRKTLKEKAIPKDQRATTPYMTKYERARILGTRALQISMNAPVFVDLEGETDPLRI
AMKELAEKKIPLVIRRYLPDGSFEDWSVEELIVDL
Sequence of entity 7 (G), FASTA
>6EU3_7 DNA-directed RNA polymerase III subunit RPC8 (chains G)
MFILSKIADLVRIPPDQFHRDTISAITHQLNNKFANKIIPNVGLCITIYDLLTVEEGQLK
PGDGSSYINVTFRAVVFKPFLGEIVTGWISKCTAEGIKVSLLGIFDDIFIPQNMLFEGCY
YTPEESAWIWPMDEETKLYFDVNEKIRFRIEREVFVDVKPKSPKERELEERAQLENEIEG
KNEETPQNEKPPAYALLGSCQTDGMGLVSWWE
Sequence of entity 8 (H), FASTA
>6EU3_8 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H)
MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIA
SSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGG
LLMRLEGNYRNLNNLKQENAYLLIRR
Sequence of entity 9 (I), FASTA
>6EU3_9 DNA-directed RNA polymerase III subunit RPC10 (chains I)
MLSFCPSCNNMLLITSGDSGVYTLACRSCPYEFPIEGIEIYDRKKLPRKEVDDVLGGGWD
NVDQTKTQCPNYDTCGGESAYFFQLQIRSADEPMTTFYKCVNCGHRWKEN
Sequence of entity 10 (J), FASTA
>6EU3_10 DNA-directed RNA polymerases I, II, and III subunit RPABC5 (chains J)
MIVPVRCFSCGKVVGDKWESYLNLLQEDELDEGTALSRLGLKRYCCRRMILTHVDLIEKF
LRYNPLEKRD
Sequence of entity 11 (K), FASTA
>6EU3_11 DNA-directed RNA polymerases I and III subunit RPAC2 (chains K)
MTEDIEQKKTATEVTPQEPKHIQEEEEQDVDMTGDEEQEEEPDREKIKLLTQATSEDGTS
ASFQIVEEDHTLGNALRYVIMKNPDVEFCGYSIPHPSENLLNIRIQTYGETTAVDALQKG
LKDLMDLCDVVESKFTEKIKSM
Sequence of entity 12 (L), FASTA
>6EU3_12 DNA-directed RNA polymerases I, II, and III subunit RPABC4 (chains L)
MSREGFQIPTNLDAAAAGTSQARTATLKYICAECSSKLSLSRTDAVRCKDCGHRILLKAR
TKRLVQFEAR

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn6
MGMagnesium ionMg1

Primary citation

Structural basis of RNA polymerase III transcription initiation. Abascal-Palacios, G., Ramsay, E.P., Beuron, F. et al. Nature (2018) 553:301-306. DOI 10.1038/nature25441 · PubMed

Other PDB entries of the same protein (UniProt P04051 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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