8K5P: DNA-directed RNA polymerase II subunit RPB1

Cryo-EM structure of yeast Rat1-bound Pol II pre-termination transcription complex 2 (Pol II Rat1-PTTC2). Determined by electron microscopy at 2.8 Å resolution. Released 31 Jan 2024.

Method
Electron microscopy
Resolution
2.8 Å
Organisms
Saccharomyces cerevisiae S288C, synthetic construct
Chains
18
Atoms
42,713
Mol. weight
834.11 kDa
Ligands
ZN, MG
Released
31 Jan 2024

Explore 8K5P in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8K5P contains 248 α-helices and 278 β-strands across 15 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: 78 helices, 77 β-strands

ElementResiduesLengthSheet
α-helix101
β-strand1111
β-strand16-1832
β-strand2113
α-helix24-307
β-strand3414
β-strand4315
β-strand4715
α-helix48-492
α-helix56-583
α-helix65-662
β-strand6716
β-strand7216
β-strand8314
β-strand84-9077
α-helix93-953
α-helix96-10510
β-strand10618
β-strand11318
α-helix120-1267
α-helix131-14414
β-strand14719
β-strand151-153310
β-strand161-163310
α-helix1691
β-strand17019
α-helix171-1722
β-strand173-177511
β-strand180-185611
β-strand198-202511
α-helix2031
α-helix204-2129
α-helix216-2227
α-helix231-2344
β-strand236-23947
α-helix248-2503
α-helix261-28222
α-helix286-30419
α-helix312-3143
β-strand315112
α-helix3201
β-strand321112
α-helix3221
α-helix325-3284
α-helix337-3415
β-strand343-344213
β-strand348-352514
β-strand353-355315
β-strand364-367415
α-helix368-3736
β-strand375-379516
α-helix385-39410
β-strand402-406516
β-strand412-414316
β-strand431-435516
α-helix4361
β-strand441-445514
α-helix452-4543
β-strand455-459514
β-strand460-463415
β-strand468-470315
α-helix472-4743
α-helix475-4784
β-strand486-490514
α-helix495-50410
β-strand506114
α-helix508-5103
β-strand512-513217
β-strand518-519217
α-helix526-53510
β-strand540-541218
α-helix543-55210
α-helix560-5634
β-strand565119
β-strand571119
β-strand572-573218
α-helix574-5818
α-helix5831
β-strand588-590320
β-strand605-608420
β-strand611-614420
α-helix619-6224
α-helix629-6368
α-helix639-65820
β-strand663121
α-helix666-6694
α-helix673-69826
α-helix704-7052
α-helix712-73625
α-helix742-7498
α-helix755-7628
α-helix765-7684
β-strand770122
β-strand773122
β-strand779123
β-strand782123
α-helix794-7974
α-helix810-84435
β-strand849-850224
β-strand856-857224
β-strand863-865324
α-helix868-8703
β-strand873125
α-helix875-8773
β-strand879-882426
α-helix890-8978
α-helix907-9093
α-helix910-9123
β-strand913127
α-helix924-94623
β-strand953-956426
α-helix960-97112
α-helix9781
β-strand979127
α-helix983-99513
α-helix1005-10139
α-helix1016-102510
α-helix1028-10336
α-helix1039-105517
β-strand1057125
α-helix1058-10592
α-helix1064-107714
α-helix1098-11069
β-strand1116-1119428
β-strand1120129
α-helix1128-11336
β-strand1140-1141230
β-strand1149-1151331
β-strand1154132
α-helix1167-11737
β-strand1191132
β-strand1192133
β-strand1194-1195231
α-helix1199-12013
α-helix1209-122012
β-strand1224-1227433
β-strand1238131
β-strand1239-1242433
α-helix1258-126811
β-strand1272-1274330
β-strand1282-12921128
β-strand1298-13081128
α-helix1313-13164
β-strand1322129
β-strand1328-1329228
α-helix1333-13364
α-helix1341-135616
α-helix1365-137511
α-helix1396-14027
α-helix1405-141410
β-strand1418-141922
α-helix1424-14307
α-helix1437-14404
β-strand1441-1445534
α-helix1447-14537
Chain B: 54 helices, 72 β-strands
ElementResiduesLengthSheet
α-helix20-223
α-helix23-253
α-helix29-346
α-helix38-414
α-helix45-539
α-helix54-585
α-helix59-635
β-strand71135
β-strand88-89235
β-strand92-97636
β-strand101-103337
β-strand109-111337
α-helix114-1196
β-strand125-132836
β-strand135-136235
β-strand164-171836
α-helix186-1916
β-strand203-205338
β-strand208-212538
α-helix2131
β-strand214-218539
β-strand223-227540
β-strand236-242740
β-strand252-258740
β-strand269-272440
α-helix2791
β-strand280-281240
α-helix282-2887
α-helix294-3018
α-helix308-32013
α-helix321-3233
α-helix327-33610
α-helix348-35811
α-helix371-38919
α-helix395-3973
α-helix401-4033
β-strand404-407439
α-helix411-43525
α-helix445-46319
β-strand480-482338
α-helix488-4947
β-strand497-499339
α-helix514-5152
α-helix516-5183
β-strand522141
β-strand536-538339
β-strand539141
α-helix5401
β-strand544-545242
α-helix552-5609
β-strand564-565243
β-strand578-582543
β-strand585-590643
α-helix593-60513
β-strand614-618543
β-strand623-627543
β-strand633-639742
β-strand640-643444
β-strand648-651444
α-helix655-66713
α-helix681-6877
β-strand690-694542
α-helix696-7005
β-strand703-704242
α-helix707-7093
α-helix728-7292
β-strand740-741242
α-helix745-7484
α-helix759-7613
α-helix764-77411
β-strand792-796545
β-strand800146
β-strand804-805247
α-helix808-8103
β-strand821-827748
β-strand828121
β-strand838-842548
α-helix843-8475
β-strand853-8621045
β-strand865-866249
β-strand870-871249
β-strand873-874250
β-strand898151
α-helix899-9002
β-strand904-905245
β-strand910-912351
β-strand914-917450
β-strand934-936350
β-strand939-940251
α-helix941-9422
β-strand947-9561045
β-strand962-9721145
β-strand979-982448
β-strand987-994848
β-strand1001-1002252
β-strand1010-1012348
α-helix1014-10163
α-helix1017-10204
α-helix1023-103816
α-helix10411
β-strand1042-1043247
α-helix1052-106211
β-strand1069-1070248
β-strand1072-1073252
α-helix10791
β-strand1080152
α-helix10811
β-strand1085-1086248
β-strand1089-1094648
α-helix1099-11013
β-strand1104-1106314
α-helix1118-11192
β-strand1129-1130213
α-helix1132-114110
α-helix1144-11485
α-helix1149-11535
β-strand1158-116361
β-strand1172-1174353
β-strand1179-1181353
β-strand1182154
β-strand1187154
β-strand1191-119661
α-helix1198-120912
β-strand121213
β-strand1215-121732
α-helix1221-12233
Chain C: 10 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand7-13755
β-strand17-23755
α-helix27-3913
β-strand43-541256
α-helix60-689
β-strand72-74357
α-helix77-793
β-strand97-104856
β-strand111-114458
α-helix115-1173
β-strand119-120256
β-strand129-132457
α-helix1331
β-strand143-147558
β-strand152-1621156
α-helix168-1703
β-strand173-180855
α-helix202-2043
α-helix207-2093
α-helix211-2144
β-strand228-234755
α-helix240-26930
Chain D: 10 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix21-233
β-strand37173
α-helix38-392
β-strand45173
α-helix46-483
α-helix52-7726
α-helix119-13012
α-helix139-15012
α-helix157-16711
α-helix174-1829
α-helix188-1947
α-helix205-21915
Chain E: 11 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix2-2625
α-helix32-354
α-helix39-468
β-strand47159
α-helix521
β-strand53159
α-helix541
β-strand58-62560
α-helix68-714
β-strand77-82660
α-helix90-10213
β-strand107-112660
α-helix118-1236
β-strand131-136660
α-helix137-1404
β-strand152-155461
α-helix158-16811
β-strand177-178261
α-helix183-1886
β-strand195-200661
β-strand208-214761
Chain F: 3 helices, 4 β-strands
ElementResiduesLengthSheet
β-strand84162
α-helix87-10216
α-helix117-12610
β-strand132-137634
α-helix1381
β-strand143-147534
β-strand152162
Chain G: 4 helices, 18 β-strands
ElementResiduesLengthSheet
β-strand3-5374
β-strand8-13634
α-helix15-173
α-helix22-3413
β-strand38-39274
β-strand43-48674
β-strand55134
α-helix581
β-strand59-61334
α-helix621
β-strand68-73634
β-strand76-79474
β-strand85-941075
β-strand99-102475
β-strand108175
β-strand109176
β-strand120-122377
β-strand129-132477
β-strand135-136277
β-strand142-147675
β-strand160176
β-strand161-162275
Chain H: 1 helix, 15 β-strands
ElementResiduesLengthSheet
β-strand4-8519
β-strand11-16663
β-strand23-29763
β-strand37-43763
β-strand54163
β-strand56-60519
β-strand64164
β-strand88164
α-helix89-913
β-strand95-99519
β-strand100-103463
β-strand106165
β-strand112165
β-strand113-118663
β-strand121-126663
β-strand140-145619

7 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 II subunit RPB1Aprotein1733Saccharomyces cerevisiae S288CP04050 (AlphaFold model)
DNA-directed RNA polymerase II subunit RPB2Bprotein1259Saccharomyces cerevisiae S288CP08518 (AlphaFold model)
DNA-directed RNA polymerase II subunit RPB3Cprotein318Saccharomyces cerevisiae S288CP16370 (AlphaFold model)
DNA-directed RNA polymerases I, II, and III subunit RPABC1Eprotein215Saccharomyces cerevisiae S288CP20434 (AlphaFold model)
DNA-directed RNA polymerases I, II, and III subunit RPABC2Fprotein155Saccharomyces cerevisiae S288CP20435
DNA-directed RNA polymerases I, II, and III subunit RPABC3Hprotein146Saccharomyces cerevisiae S288CP20436
DNA-directed RNA polymerase II subunit RPB9Iprotein122Saccharomyces cerevisiae S288CP27999
DNA-directed RNA polymerases I, II, and III subunit RPABC5Jprotein70Saccharomyces cerevisiae S288CP22139
DNA-directed RNA polymerase II subunit RPB11Kprotein120Saccharomyces cerevisiae S288CP38902
DNA-directed RNA polymerases I, II, and III subunit RPABC4Lprotein70Saccharomyces cerevisiae S288CP40422
DNA (38-mer)NDNA48synthetic construct
RNAPRNA20synthetic construct

6 more molecules are not listed.

Sequence of entity 1 (A), FASTA
>8K5P_1 DNA-directed RNA polymerase II subunit RPB1 (chains A)
MVGQQYSSAPLRTVKEVQFGLFSPEEVRAISVAKIRFPETMDETQTRAKIGGLNDPRLGS
IDRNLKCQTCQEGMNECPGHFGHIDLAKPVFHVGFIAKIKKVCECVCMHCGKLLLDEHNE
LMRQALAIKDSKKRFAAIWTLCKTKMVCETDVPSEDDPTQLVSRGGCGNTQPTIRKDGLK
LVGSWKKDRATGDADEPELRVLSTEEILNIFKHISVKDFTSLGFNEVFSRPEWMILTCLP
VPPPPVRPSISFNESQRGEDDLTFKLADILKANISLETLEHNGAPHHAIEEAESLLQFHV
ATYMDNDIAGQPQALQKSGRPVKSIRARLKGKEGRIRGNLMGKRVDFSARTVISGDPNLE
LDQVGVPKSIAKTLTYPEVVTPYNIDRLTQLVRNGPNEHPGAKYVIRDSGDRIDLRYSKR
AGDIQLQYGWKVERHIMDNDPVLFNRQPSLHKMSMMAHRVKVIPYSTFRLNLSVTSPYNA
DFDGDEMNLHVPQSEETRAELSQLCAVPLQIVSPQSNKPCMGIVQDTLCGIRKLTLRDTF
IELDQVLNMLYWVPDWDGVIPTPAIIKPKPLWSGKQILSVAIPNGIHLQRFDEGTTLLSP
KDNGMLIIDGQIIFGVVEKKTVGSSNGGLIHVVTREKGPQVCAKLFGNIQKVVNFWLLHN
GFSTGIGDTIADGPTMREITETIAEAKKKVLDVTKEAQANLLTAKHGMTLRESFEDNVVR
FLNEARDKAGRLAEVNLKDLNNVKQMVMAGSKGSFINIAQMSACVGQQSVEGKRIAFGFV
DRTLPHFSKDDYSPESKGFVENSYLRGLTPQEFFFHAMGGREGLIDTAVKTAETGYIQRR
LVKALEDIMVHYDNTTRNSLGNVIQFIYGEDGMDAAHIEKQSLDTIGGSDAAFEKRYRVD
LLNTDHTLDPSLLESGSEILGDLKLQVLLDEEYKQLVKDRKFLREVFVDGEANWPLPVNI
RRIIQNAQQTFHIDHTKPSDLTIKDIVLGVKDLQENLLVLRGKNEIIQNAQRDAVTLFCC
LLRSRLATRRVLQEYRLTKQAFDWVLSNIEAQFLRSVVHPGEMVGVLAAQSIGEPATQMT
LNTFHFAGVASKKVTSGVPRLKEILNVAKNMKTPSLTVYLEPGHAADQEQAKLIRSAIEH
TTLKSVTIASEIYYDPDPRSTVIPEDEEIIQLHFSLLDEEAEQSFDQQSPWLLRLELDRA
AMNDKDLTMGQVGERIKQTFKNDLFVIWSEDNDEKLIIRCRVVRPKSLDAETEAEEDHML
KKIENTMLENITLRGVENIERVVMMKYDRKVPSPTGEYVKEPEWVLETDGVNLSEVMTVP
GIDPTRIYTNSFIDIMEVLGIEAGRAALYKEVYNVIASDGSYVNYRHMALLVDVMTTQGG
LTSVTRHGFNRSNTGALMRCSFEETVEILFEAGASAELDDCRGVSENVILGQMAPIGTGA
FDVMIDEESLVKYMPEQKITEIEDGQDGGVTPYSNESGLVNADLDVKDELMFSPLVDSGS
NDAMAGGFTAYGGADYGEATSPFGAYGEAPTSPGFGVSSPGFSPTSPTYSPTSPAYSPTS
PSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYS
PTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPAYSPTSPSYSPTSPSYSPTSP
SYSPTSPSYSPTSPNYSPTSPSYSPTSPGYSPGSPAYSPKQDEQKHNENENSR
Sequence of entity 2 (B), FASTA
>8K5P_2 DNA-directed RNA polymerase II subunit RPB2 (chains B)
MSDLANSEKYYDEDPYGFEDESAPITAEDSWAVISAFFREKGLVSQQLDSFNQFVDYTLQ
DIICEDSTLILEQLAQHTTESDNISRKYEISFGKIYVTKPMVNESDGVTHALYPQEARLR
NLTYSSGLFVDVKKRTYEAIDVPGRELKYELIAEESEDDSESGKVFIGRLPIMLRSKNCY
LSEATESDLYKLKECPFDMGGYFIINGSEKVLIAQERSAGNIVQVFKKAAPSPISHVAEI
RSALEKGSRFISTLQVKLYGREGSSARTIKATLPYIKQDIPIVIIFRALGIIPDGEILEH
ICYDVNDWQMLEMLKPCVEDGFVIQDRETALDFIGRRGTALGIKKEKRIQYAKDILQKEF
LPHITQLEGFESRKAFFLGYMINRLLLCALDRKDQDDRDHFGKKRLDLAGPLLAQLFKTL
FKKLTKDIFRYMQRTVEEAHDFNMKLAINAKTITSGLKYALATGNWGEQKKAMSSRAGVS
QVLNRYTYSSTLSHLRRTNTPIGRDGKLAKPRQLHNTHWGLVCPAETPEGQACGLVKNLS
LMSCISVGTDPMPIITFLSEWGMEPLEDYVPHQSPDATRVFVNGVWHGVHRNPARLMETL
RTLRRKGDINPEVSMIRDIREKELKIFTDAGRVYRPLFIVEDDESLGHKELKVRKGHIAK
LMATEYQDIEGGFEDVEEYTWSSLLNEGLVEYIDAEEEESILIAMQPEDLEPAEANEEND
LDVDPAKRIRVSHHATTFTHCEIHPSMILGVAASIIPFPDHNQSPRNTYQSAMGKQAMGV
FLTNYNVRMDTMANILYYPQKPLGTTRAMEYLKFRELPAGQNAIVAIACYSGYNQEDSMI
MNQSSIDRGLFRSLFFRSYMDQEKKYGMSITETFEKPQRTNTLRMKHGTYDKLDDDGLIA
PGVRVSGEDVIIGKTTPISPDEEELGQRTAYHSKRDASTPLRSTENGIVDQVLVTTNQDG
LKFVKVRVRTTKIPQIGDKFASRHGQKGTIGITYRREDMPFTAEGIVPDLIINPHAIPSR
MTVAHLIECLLSKVAALSGNEGDASPFTDITVEGISKLLREHGYQSRGFEVMYNGHTGKK
LMAQIFFGPTYYQRLRHMVDDKIHARARGPMQVLTRQPVEGRSRDGGLRFGEMERDCMIA
HGAASFLKERLMEASDAFRVHICGICGLMTVIAKLNHNQFECKGCDNKIDIYQIHIPYAA
KLLFQELMAMNITPRLYTDRSRDFENLYFQGHHHHHHDYKDHDGDYKDHDIDYKDDDDK
Sequence of entity 3 (C), FASTA
>8K5P_3 DNA-directed RNA polymerase II subunit RPB3 (chains C)
MSEEGPQVKIREASKDNVDFILSNVDLAMANSLRRVMIAEIPTLAIDSVEVETNTTVLAD
EFIAHRLGLIPLQSMDIEQLEYSRDCFCEDHCDKCSVVLTLQAFGESESTTNVYSKDLVI
VSNLMGRNIGHPIIQDKEGNGVLICKLRKGQELKLTCVAKKGIAKEHAKWGPAAAIEFEY
DPWNKLKHTDYWYEQDSAKEWPQSKNCEYEDPPNEGDPFDYKAQADTFYMNVESVGSIPV
DQVVVRGIDTLQKKVASILLALTQMDQDKVNFASGDNNTASNMLGSNEDVMMTGAEQDPY
SNASQMGNTGSGGYDNAW
Sequence of entity 4 (E), FASTA
>8K5P_4 DNA-directed RNA polymerases I, II, and III subunit RPABC1 (chains E)
MDQENERNISRLWRAFRTVKEMVKDRGYFITQEEVELPLEDFKAKYCDSMGRPQRKMMSF
QANPTEESISKFPDMGSLWVEFCDEPSVGVKTMKTFVIHIQEKNFQTGIFVYQNNITPSA
MKLVPSIPPATIETFNEAALVVNITHHELVPKHIRLSSDEKRELLKRYRLKESQLPRIQR
ADPVALYLGLKRGEVVKIIRKSETSGRYASYRICM
Sequence of entity 5 (F), FASTA
>8K5P_5 DNA-directed RNA polymerases I, II, and III subunit RPABC2 (chains F)
MSDYEEAFNDGNENFEDFDVEHFSDEETYEEKPQFKDGETTDANGKTIVTGGNGPEDFQQ
HEQIRRKTLKEKAIPKDQRATTPYMTKYERARILGTRALQISMNAPVFVDLEGETDPLRI
AMKELAEKKIPLVIRRYLPDGSFEDWSVEELIVDL
Sequence of entity 6 (H), FASTA
>8K5P_6 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H)
MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIA
SSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGG
LLMRLEGNYRNLNNLKQENAYLLIRR
Sequence of entity 7 (I), FASTA
>8K5P_7 DNA-directed RNA polymerase II subunit RPB9 (chains I)
MTTFRFCRDCNNMLYPREDKENNRLLFECRTCSYVEEAGSPLVYRHELITNIGETAGVVQ
DIGSDPTLPRSDRECPKCHSRENVFFQSQQRRKDTSMVLFFVCLSCSHIFTSDQKNKRTQ
FS
Sequence of entity 8 (J), FASTA
>8K5P_8 DNA-directed RNA polymerases I, II, and III subunit RPABC5 (chains J)
MIVPVRCFSCGKVVGDKWESYLNLLQEDELDEGTALSRLGLKRYCCRRMILTHVDLIEKF
LRYNPLEKRD
Sequence of entity 9 (K), FASTA
>8K5P_9 DNA-directed RNA polymerase II subunit RPB11 (chains K)
MNAPDRFELFLLGEGESKLKIDPDTKAPNAVVITFEKEDHTLGNLIRAELLNDRKVLFAA
YKVEHPFFARFKLRIQTTEGYDPKDALKNACNSIINKLGALKTNFETEWNLQTLAADDAF
Sequence of entity 10 (L), FASTA
>8K5P_10 DNA-directed RNA polymerases I, II, and III subunit RPABC4 (chains L)
MSREGFQIPTNLDAAAAGTSQARTATLKYICAECSSKLSLSRTDAVRCKDCGHRILLKAR
TKRLVQFEAR
Sequence of entity 11 (N), FASTA
>8K5P_11 DNA (38-MER) (chains N)
GCGTGTCTAGCACAGGATCGAGAGGTAATTCTGCTTATCGGTAGAGTG
Sequence of entity 12 (P), FASTA
>8K5P_12 RNA (chains P)
ACAGAUGUCCUCGAGAGGUA

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn8
MGMagnesium ionMg3

Primary citation

Structural basis of exoribonuclease-mediated mRNA transcription termination. Zeng, Y., Zhang, H.W., Wu, X.X. et al. Nature (2024) 628:887-893. DOI 10.1038/s41586-024-07240-3 · PubMed

Other PDB entries of the same protein (UniProt P04050 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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