7Z1O: Yeast RNA Polymerase III PTC + NTPs

Structure of yeast RNA Polymerase III PTC + NTPs. Determined by electron microscopy at 2.7 Å resolution. Released 31 Aug 2022.

Method
Electron microscopy
Resolution
2.7 Å
Organisms
Saccharomyces cerevisiae W303, synthetic construct
Chains
20
Atoms
42,375
Mol. weight
729.6 kDa
Ligands
1N7, MG, ZN
Released
31 Aug 2022

Explore 7Z1O in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7Z1O contains 251 α-helices and 279 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: 77 helices, 65 β-strands

ElementResiduesLengthSheet
α-helix31
β-strand411
α-helix5-62
β-strand11-1772
α-helix23-297
β-strand30-3343
β-strand40-4124
β-strand47-4824
α-helix491
α-helix56-583
β-strand81-91113
α-helix96-10510
β-strand10615
β-strand11315
α-helix117-12711
α-helix134-14916
β-strand15316
β-strand16016
β-strand163-16647
α-helix174-1763
β-strand178-18147
α-helix192-20514
α-helix209-2146
β-strand220-22127
α-helix224-2318
α-helix236-2383
α-helix240-2423
α-helix253-2564
β-strand257-26373
α-helix264-2652
α-helix270-2712
β-strand272-27328
β-strand280-28128
α-helix284-30522
α-helix309-32719
α-helix334-3363
α-helix348-3503
α-helix3631
α-helix364-3685
β-strand371-37339
β-strand376-383810
β-strand391-395510
α-helix396-3994
β-strand403-407511
α-helix4081
α-helix413-42210
β-strand430-434511
β-strand442-443211
α-helix451-4544
β-strand461-465511
β-strand471-475510
α-helix482-4843
β-strand485-493910
β-strand498-500310
β-strand516-520510
α-helix525-53410
β-strand536110
α-helix538-5403
β-strand542112
β-strand549112
α-helix558-5647
β-strand570-571213
α-helix573-58412
α-helix592-5954
β-strand597114
β-strand603114
β-strand604-605213
α-helix606-6149
β-strand626-629415
β-strand634116
α-helix643-6453
β-strand647116
β-strand651-655515
β-strand658-661415
α-helix677-6859
α-helix687-70721
α-helix723-74725
α-helix750-7534
α-helix758-78225
α-helix7861
α-helix790-7978
α-helix803-8108
β-strand814-815217
β-strand818118
β-strand821118
α-helix842-8443
β-strand847-848217
α-helix858-89336
β-strand897-898219
β-strand904-905219
β-strand911-913319
α-helix916-9183
β-strand921120
α-helix935-94511
α-helix952-9532
α-helix956-97217
β-strand977121
β-strand983121
α-helix986-9883
α-helix992-9943
α-helix999-102527
α-helix1049-10535
α-helix1054-10596
α-helix1064-108017
β-strand1082120
α-helix1083-10842
α-helix1089-109810
α-helix1099-11013
α-helix1123-11308
β-strand1131122
β-strand1140-1145623
α-helix1151-116111
β-strand1164-1165224
α-helix1166-11683
β-strand1170-1177825
β-strand1182-1188725
α-helix1190-11967
α-helix1202-121110
α-helix1213-12153
β-strand1222-1225425
β-strand1229-1234625
α-helix1255-126612
α-helix1267-12693
β-strand1271-1273324
β-strand1280-1285623
β-strand1291-1296623
α-helix1300-13056
β-strand1309-1316823
α-helix1319-13257
α-helix1328-134619
α-helix1352-136211
β-strand1365-1366226
β-strand1370122
α-helix1373-13797
α-helix1383-13875
α-helix1392-140211
β-strand1405-140732
α-helix1411-14177
α-helix1424-14263
β-strand1428-143251
α-helix1439-14413
α-helix1447-14515
Chain B: 59 helices, 78 β-strands
ElementResiduesLengthSheet
α-helix41-466
α-helix47-548
α-helix59-679
α-helix68-725
α-helix73-797
β-strand82-84327
β-strand92-100927
α-helix109-1113
α-helix115-1217
β-strand127-1371127
β-strand140-1521327
α-helix154-1552
α-helix168-1736
β-strand185-187328
β-strand190-194528
β-strand196-200529
α-helix2011
β-strand205-210630
β-strand215-223930
β-strand228-236930
β-strand239-244630
β-strand247131
α-helix2501
β-strand251-252230
α-helix253-2597
α-helix265-2728
β-strand276132
α-helix277-29216
α-helix298-3069
β-strand309131
α-helix319-3268
α-helix327-3315
α-helix343-36119
α-helix363-3653
α-helix367-3682
α-helix372-3743
β-strand375-378429
α-helix380-40728
α-helix418-4214
α-helix423-43816
β-strand441-444433
β-strand449-452433
β-strand455-457328
α-helix458-4592
α-helix463-4697
β-strand472-474329
α-helix491-4933
β-strand497134
β-strand512-513229
β-strand514134
β-strand519-520235
α-helix521-5233
α-helix527-53610
α-helix5381
β-strand539-540236
α-helix541-5433
β-strand553-557536
β-strand560-565636
α-helix568-58114
β-strand589-593536
β-strand598-602536
β-strand608-614735
β-strand615-616237
β-strand619-620237
α-helix624-6329
α-helix637-6437
β-strand646-650535
α-helix651-6555
β-strand659-660235
α-helix663-6653
β-strand672-673235
α-helix677-6804
α-helix685-6873
α-helix691-6933
α-helix696-70510
α-helix706-7083
β-strand709138
β-strand724-728539
β-strand732140
β-strand736-737241
α-helix739-7435
β-strand753-759742
α-helix764-7663
β-strand771-774442
α-helix775-7795
β-strand785-7951139
α-helix7961
β-strand797143
α-helix7981
β-strand803143
β-strand805144
β-strand811145
β-strand817145
α-helix819-8213
β-strand829146
α-helix830-8312
β-strand832147
β-strand835-836239
β-strand841-843346
β-strand846-848344
β-strand866-868344
β-strand871-872246
β-strand879-8881039
β-strand894-9041139
β-strand911-913348
β-strand920-921248
β-strand922-926542
α-helix928-9303
β-strand933149
β-strand942-944342
α-helix946-9483
α-helix955-97016
β-strand974-975241
α-helix984-99310
β-strand1001-1002242
β-strand1005149
β-strand1012149
α-helix10131
β-strand1017-1024842
β-strand1025-1026248
β-strand1027138
α-helix1031-10333
β-strand1036-1037210
β-strand1043150
β-strand1050150
α-helix1054-10563
β-strand1060-106239
α-helix1064-107310
α-helix1076-10805
α-helix1081-10855
β-strand1089-1095751
β-strand1101-1102251
β-strand1107152
β-strand1112152
β-strand1116-1122751
α-helix1123-113412
β-strand1140-114562
Chain C: 15 helices, 21 β-strands
ElementResiduesLengthSheet
β-strand4-7453
β-strand12-13253
α-helix33-397
β-strand41-47753
β-strand51-57753
α-helix61-7313
β-strand77-85954
α-helix94-1029
β-strand106155
α-helix110-1123
α-helix115-1173
α-helix122-1254
β-strand132-139854
β-strand142156
α-helix153-1564
β-strand157156
β-strand161-163357
α-helix164-1663
β-strand168-170354
α-helix175-1784
β-strand186155
β-strand192-195457
β-strand201-2111154
α-helix217-2193
β-strand222-2351453
β-strand240158
α-helix242-2498
β-strand256-258359
β-strand264158
β-strand265-267359
α-helix270-2723
α-helix283-2853
β-strand289-3041653
α-helix310-33021
α-helix3321
β-strand333-334260
Chain D: 8 helices, 3 β-strands
ElementResiduesLengthSheet
β-strand2-11101
α-helix13-2614
α-helix31-333
α-helix34-385
α-helix53-6715
β-strand68161
β-strand92161
α-helix100-11112
α-helix117-12610
α-helix131-1377
α-helix147-15812
Chain E: 11 helices, 14 β-strands
ElementResiduesLengthSheet
α-helix2-2524
β-strand28162
α-helix32-354
α-helix39-468
β-strand47163
β-strand53163
β-strand60-62364
β-strand64162
α-helix66-716
β-strand78-82564
β-strand87-88265
α-helix90-10314
β-strand107-112664
β-strand115-116265
α-helix118-1214
β-strand131-136664
α-helix144-1463
β-strand152-155426
α-helix158-16811
α-helix172-1743
β-strand177-178226
α-helix183-1886
α-helix190-1912
β-strand195-202826
β-strand206-214926
Chain F: 5 helices, 6 β-strands
ElementResiduesLengthSheet
β-strand73166
α-helix74-752
β-strand84167
α-helix85-862
α-helix87-10216
α-helix117-12610
β-strand133-13641
α-helix137-1382
β-strand143166
β-strand145-14731
β-strand152167
Chain G: 4 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand2-13121
α-helix15-173
α-helix22-3413
β-strand37-3931
β-strand43-54121
β-strand57-5931
β-strand66-77121
α-helix79-802
β-strand84-92968
β-strand96-100568
β-strand108-111468
β-strand120-122369
β-strand127-129369
β-strand139169
β-strand145-1551168
α-helix163-17412
β-strand194-199668
β-strand206-207268
Chain H: 2 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand4-161314
β-strand23-30814
β-strand37-43714
β-strand54-60714
β-strand64170
α-helix81-833
β-strand88170
α-helix89-924
β-strand95-1081414
β-strand111-118814
β-strand121-127714
β-strand139-145714

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 W303P04051 (AlphaFold model)
DNA-directed RNA polymerase III subunit RPC2Bprotein1149Saccharomyces cerevisiae W303P22276 (AlphaFold model)
DNA-directed RNA polymerases I and III subunit RPAC1Cprotein335Saccharomyces cerevisiae W303P07703 (AlphaFold model)
DNA-directed RNA polymerase III subunit RPC9Dprotein161Saccharomyces cerevisiae W303P47076 (AlphaFold model)
DNA-directed RNA polymerases I, II, and III subunit RPABC1Eprotein215Saccharomyces cerevisiae W303P20434
DNA-directed RNA polymerases I, II, and III subunit RPABC2Fprotein155Saccharomyces cerevisiae W303P20435
DNA-directed RNA polymerase III subunit RPC8Gprotein212Saccharomyces cerevisiae W303P35718
DNA-directed RNA polymerases I, II, and III subunit RPABC3Hprotein146Saccharomyces cerevisiae W303P20436
DNA-directed RNA polymerase III subunit RPC10Iprotein110Saccharomyces cerevisiae W303Q04307
DNA-directed RNA polymerases I, II, and III subunit RPABC5Jprotein70Saccharomyces cerevisiae W303P22139
DNA-directed RNA polymerases I and III subunit RPAC2Kprotein142Saccharomyces cerevisiae W303P28000
DNA-directed RNA polymerases I, II, and III subunit RPABC4Lprotein70Saccharomyces cerevisiae W303P40422

8 more molecules are not listed.

Sequence of entity 1 (A), FASTA
>7Z1O_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
>7Z1O_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
>7Z1O_3 DNA-directed RNA polymerases I and III subunit RPAC1 (chains C)
MSNIVGIEYNRVTNTTSTDFPGFSKDAENEWNVEKFKKDFEVNISSLDAREANFDLINID
TSIANAFRRIMISEVPSVAAEYVYFFNNTSVIQDEVLAHRIGLVPLKVDPDMLTWVDSNL
PDDEKFTDENTIVLSLNVKCTRNPDAPKGSTDPKELYNNAHVYARDLKFEPQGRQSTTFA
DCPVVPADPDILLAKLRPGQEISLKAHCILGIGGDHAKFSPVSTASYRLLPQINILQPIK
GESARRFQKCFPPGVIGIDEGSDEAYVKDARKDTVSREVLRYEEFADKVKLGRVRNHFIF
NVESAGAMTPEEIFFKSVRILKNKAEYLKNCPITQ
Sequence of entity 4 (D), FASTA
>7Z1O_4 DNA-directed RNA polymerase III subunit RPC9 (chains D)
MKVLEERNAFLSDYEVLKFLTDLEKKHLWDQKSLAALKKSRSKGKQNRPYNHPELQGITR
NVVNYLSINKNFINQEDEGEERESSGAKDAEKSGISKMSDESFAELMTKLNSFKLFKAEK
LQIVNQLPANMVHLYSIVEECDARFDEKTIEEMLEIISGYA
Sequence of entity 5 (E), FASTA
>7Z1O_5 DNA-directed RNA polymerases I, II, and III subunit RPABC1 (chains E)
MDQENERNISRLWRAFRTVKEMVKDRGYFITQEEVELPLEDFKAKYCDSMGRPQRKMMSF
QANPTEESISKFPDMGSLWVEFCDEPSVGVKTMKTFVIHIQEKNFQTGIFVYQNNITPSA
MKLVPSIPPATIETFNEAALVVNITHHELVPKHIRLSSDEKRELLKRYRLKESQLPRIQR
ADPVALYLGLKRGEVVKIIRKSETSGRYASYRICM
Sequence of entity 6 (F), FASTA
>7Z1O_6 DNA-directed RNA polymerases I, II, and III subunit RPABC2 (chains F)
MSDYEEAFNDGNENFEDFDVEHFSDEETYEEKPQFKDGETTDANGKTIVTGGNGPEDFQQ
HEQIRRKTLKEKAIPKDQRATTPYMTKYERARILGTRALQISMNAPVFVDLEGETDPLRI
AMKELAEKKIPLVIRRYLPDGSFEDWSVEELIVDL
Sequence of entity 7 (G), FASTA
>7Z1O_7 DNA-directed RNA polymerase III subunit RPC8 (chains G)
MFILSKIADLVRIPPDQFHRDTISAITHQLNNKFANKIIPNVGLCITIYDLLTVEEGQLK
PGDGSSYINVTFRAVVFKPFLGEIVTGWISKCTAEGIKVSLLGIFDDIFIPQNMLFEGCY
YTPEESAWIWPMDEETKLYFDVNEKIRFRIEREVFVDVKPKSPKERELEERAQLENEIEG
KNEETPQNEKPPAYALLGSCQTDGMGLVSWWE
Sequence of entity 8 (H), FASTA
>7Z1O_8 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H)
MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIA
SSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGG
LLMRLEGNYRNLNNLKQENAYLLIRR
Sequence of entity 9 (I), FASTA
>7Z1O_9 DNA-directed RNA polymerase III subunit RPC10 (chains I)
MLSFCPSCNNMLLITSGDSGVYTLACRSCPYEFPIEGIEIYDRKKLPRKEVDDVLGGGWD
NVDQTKTQCPNYDTCGGESAYFFQLQIRSADEPMTTFYKCVNCGHRWKEN
Sequence of entity 10 (J), FASTA
>7Z1O_10 DNA-directed RNA polymerases I, II, and III subunit RPABC5 (chains J)
MIVPVRCFSCGKVVGDKWESYLNLLQEDELDEGTALSRLGLKRYCCRRMILTHVDLIEKF
LRYNPLEKRD
Sequence of entity 11 (K), FASTA
>7Z1O_11 DNA-directed RNA polymerases I and III subunit RPAC2 (chains K)
MTEDIEQKKTATEVTPQEPKHIQEEEEQDVDMTGDEEQEEEPDREKIKLLTQATSEDGTS
ASFQIVEEDHTLGNALRYVIMKNPDVEFCGYSIPHPSENLLNIRIQTYGETTAVDALQKG
LKDLMDLCDVVESKFTEKIKSM
Sequence of entity 12 (L), FASTA
>7Z1O_12 DNA-directed RNA polymerases I, II, and III subunit RPABC4 (chains L)
MSREGFQIPTNLDAAAAGTSQARTATLKYICAECSSKLSLSRTDAVRCKDCGHRILLKAR
TKRLVQFEAR

Ligands and cofactors

IDNameFormulaCopies
1N7ChapsoC32 H59 N2 O8 S2
MGMagnesium ionMg1
ZNZinc ionZn7

Primary citation

Architecture of the yeast Pol III pre-termination complex and pausing mechanism on poly(dT) termination signals. Girbig, M., Xie, J., Grotsch, H. et al. Cell Rep (2022) 40:111316-111316. DOI 10.1016/j.celrep.2022.111316 · PubMed

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

Browse structure collections

About this viewer

MolViewer shows 7Z1O directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.