1TWF: RNA polymerase II

RNA polymerase II complexed with UTP at 2.3 A resolution. Determined by X-ray diffraction at 2.3 Å resolution. Released 16 Nov 2004.

Method
X-ray diffraction
Resolution
2.3 Å
Organism
Saccharomyces cerevisiae
Chains
10
Atoms
28,318
Mol. weight
470.74 kDa
Ligands
UTP, MN, ZN
Released
16 Nov 2004

Explore 1TWF in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1TWF contains 164 α-helices and 202 β-strands across 10 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: 71 helices, 68 β-strands

ElementResiduesLengthSheet
α-helix101
β-strand1111
β-strand16-1832
β-strand2113
α-helix24-296
β-strand84-9184
α-helix93-953
α-helix96-10510
β-strand10615
β-strand11315
α-helix120-1267
α-helix131-14212
β-strand14716
β-strand151-15227
β-strand162-16327
β-strand17016
β-strand175-17628
β-strand181-18558
β-strand198-20258
α-helix2031
α-helix204-2118
α-helix216-2216
β-strand22519
β-strand22919
α-helix231-2344
β-strand235-23954
α-helix261-28020
α-helix286-30419
β-strand308110
β-strand310110
α-helix338-3403
β-strand348-355811
β-strand363-367511
α-helix368-3714
β-strand375-379512
α-helix385-39410
β-strand402-406512
β-strand412-414312
β-strand431-435512
α-helix4361
β-strand441-445511
α-helix452-4543
β-strand455-463911
β-strand468-470311
α-helix472-4743
α-helix475-4784
β-strand486-490511
α-helix495-5006
α-helix501-5055
β-strand506111
α-helix507-5104
β-strand512-513213
β-strand518-519213
α-helix525-53511
β-strand540-542314
α-helix543-55210
α-helix560-5634
β-strand565114
β-strand571-573314
α-helix574-5818
α-helix5831
β-strand588-590315
β-strand605-608415
β-strand611-614415
α-helix619-6224
α-helix629-6379
α-helix639-65820
β-strand662116
α-helix666-6694
α-helix673-69927
α-helix704-7052
α-helix710-73627
α-helix742-7498
α-helix755-7628
β-strand766-767217
β-strand770118
β-strand773118
α-helix775-7762
β-strand779119
β-strand782119
β-strand799-800217
α-helix810-84536
β-strand849-850220
β-strand856-857220
β-strand863-865320
α-helix868-8703
β-strand873121
α-helix875-8773
β-strand878-882522
α-helix884-8863
α-helix890-8978
β-strand913123
α-helix916-9194
α-helix923-94624
β-strand953-957522
α-helix960-97011
β-strand979123
α-helix983-99412
α-helix1005-10139
α-helix1016-102510
α-helix1028-10292
α-helix1030-10345
α-helix1039-105618
β-strand1057121
α-helix1058-10592
α-helix1064-107613
α-helix1097-11048
β-strand1115-1119524
β-strand1120125
α-helix11211
α-helix1128-113811
β-strand1141-1142226
α-helix1143-11453
β-strand1147-1154827
α-helix1164-11663
α-helix1167-11715
β-strand1191-1197727
α-helix1199-12046
α-helix1209-122012
α-helix1221-12233
β-strand1224-1228527
β-strand1237-1242627
α-helix1258-12658
α-helix1266-12705
β-strand1272-1274326
β-strand1282-12921124
β-strand1298-13091224
α-helix1313-13164
β-strand1322125
β-strand1328124
α-helix1332-13398
α-helix1341-135717
α-helix1365-137410
β-strand1378128
α-helix1406-141510
β-strand1418-141922
α-helix1424-14296
α-helix1437-14393
β-strand1442-1445429
Chain B: 51 helices, 74 β-strands
ElementResiduesLengthSheet
α-helix29-4113
α-helix45-539
α-helix54-585
α-helix59-646
β-strand68130
β-strand91-92230
β-strand96-100531
β-strand101-102232
β-strand110-111232
α-helix114-1196
β-strand125-129531
β-strand132-133230
β-strand166-171631
α-helix172-1732
α-helix180-1823
α-helix186-1916
β-strand203-205333
β-strand208-212533
α-helix2131
β-strand214-218534
β-strand224-227435
β-strand234-241835
β-strand253-259735
β-strand269-272435
α-helix2791
β-strand280-281235
α-helix282-2887
α-helix294-3018
α-helix308-32013
α-helix327-33610
α-helix345-35410
α-helix355-3595
α-helix371-38919
α-helix401-4033
β-strand404-407434
α-helix409-43325
α-helix451-46313
β-strand480-482333
α-helix483-4842
α-helix488-4958
β-strand497-499334
α-helix516-5183
β-strand522136
α-helix530-5323
β-strand533134
β-strand536-538334
β-strand539136
β-strand544-545237
α-helix552-5609
α-helix5631
β-strand564-565238
α-helix566-5683
α-helix571-5733
α-helix5771
β-strand578-582538
β-strand585-590638
α-helix593-60614
β-strand614-618538
β-strand623-627538
β-strand633-639737
β-strand640-641239
β-strand650-651239
α-helix655-66612
α-helix681-6866
β-strand690-694537
α-helix695-6984
β-strand703-704237
α-helix707-7104
α-helix728-7292
β-strand740-741237
α-helix745-7484
α-helix753-7553
α-helix759-7613
α-helix764-77310
α-helix774-7763
β-strand777140
β-strand779141
β-strand792-796541
β-strand800142
β-strand804-805243
α-helix809-8124
β-strand821-827744
β-strand829116
β-strand838-842544
α-helix843-8475
β-strand853-861941
β-strand873-874245
β-strand884146
α-helix890-8923
β-strand898147
β-strand904-905241
β-strand910-912347
β-strand914-915245
β-strand935146
β-strand936145
β-strand939-940247
α-helix941-9422
β-strand947-9561041
β-strand962-9721141
β-strand979-981344
β-strand987-994844
β-strand1001-1002248
β-strand1010-1012344
α-helix1014-10163
α-helix1023-103816
β-strand1042-1043243
α-helix1052-10609
β-strand1069-1070244
β-strand1072-1073248
β-strand1080148
β-strand1085-10941044
β-strand1095140
α-helix1099-11013
β-strand1104-1106311
α-helix1132-114110
α-helix1144-11518
β-strand1159-116351
β-strand1172-1174349
β-strand1179-1181349
β-strand1182150
β-strand1187150
β-strand1191-119551
α-helix1198-120912
β-strand121213
β-strand1215-121732
Chain C: 12 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand7151
β-strand17-18252
β-strand21-22252
β-strand23151
α-helix27-3913
β-strand43-541253
α-helix60-689
β-strand72-74354
α-helix77-793
β-strand96-104953
α-helix1101
β-strand111-114455
α-helix115-1173
β-strand118-120353
β-strand129-132454
α-helix1331
β-strand143-147555
β-strand152-1621153
α-helix168-1703
β-strand173-180852
α-helix197-2004
α-helix202-2043
α-helix205-2073
α-helix211-2144
β-strand228-234752
α-helix240-26526
Chain E: 13 helices, 14 β-strands
ElementResiduesLengthSheet
α-helix3-2624
β-strand28156
α-helix32-354
α-helix39-457
β-strand47157
β-strand53157
α-helix55-573
β-strand60-62358
β-strand64156
α-helix66-694
β-strand78-82558
β-strand87-88259
α-helix90-10213
β-strand107-112658
β-strand115-116259
α-helix118-1214
β-strand131-136658
α-helix137-1404
α-helix144-1463
β-strand152-155428
α-helix156-1572
α-helix158-16811
α-helix172-1743
β-strand177-178228
α-helix183-1875
β-strand195-201728
β-strand207-214828
Chain F: 3 helices, 4 β-strands
ElementResiduesLengthSheet
β-strand84160
α-helix85-862
α-helix87-10216
α-helix117-12610
β-strand132-137629
β-strand143-147529
β-strand152160
Chain H: 1 helix, 8 β-strands
ElementResiduesLengthSheet
β-strand7-161014
β-strand23-30814
β-strand37-43714
α-helix44-463
β-strand54-58514
β-strand95-101714
β-strand112-118714
β-strand121-127714
β-strand140-145614
Chain I: 3 helices, 9 β-strands
ElementResiduesLengthSheet
β-strand6161
α-helix121
β-strand13161
α-helix141
β-strand15-19562
β-strand24-28562
β-strand35-37362
β-strand42-47627
α-helix62-643
β-strand83-87563
β-strand99-103563
β-strand109-111363
Chain J: 4 helices, 3 β-strands
ElementResiduesLengthSheet
β-strand6164
β-strand13164
α-helix18-269
α-helix32-387
α-helix44-518
β-strand53142
α-helix57-615

2 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 largest subunitAprotein1733Saccharomyces cerevisiaeP04050 (AlphaFold model)
DNA-directed RNA polymerase II 140 kDa polypeptideBprotein1224Saccharomyces cerevisiaeP08518 (AlphaFold model)
DNA-directed RNA polymerase II 45 kDa polypeptideCprotein318Saccharomyces cerevisiaeP16370 (AlphaFold model)
DNA-directed RNA polymerases I, II, and III 27 kDa polypeptideEprotein215Saccharomyces cerevisiaeP20434 (AlphaFold model)
DNA-directed RNA polymerases I, II, and III 23 kDa polypeptideFprotein155Saccharomyces cerevisiaeP20435
DNA-directed RNA polymerases I, II, and III 14.5 kDa polypeptideHprotein146Saccharomyces cerevisiaeP20436
DNA-directed RNA polymerase II 14.2 kDa polypeptideIprotein122Saccharomyces cerevisiaeP27999
DNA-directed RNA polymerases I, II, and III 8.3 kDa polypeptideJprotein70Saccharomyces cerevisiaeP22139
DNA-directed RNA polymerase II 13.6 kDa polypeptideKprotein120Saccharomyces cerevisiaeP38902
DNA-directed RNA polymerases I, II, and III 7.7 kDa polypeptideLprotein70Saccharomyces cerevisiaeP40422
Sequence of entity 1 (A), FASTA
>1TWF_1 DNA-directed RNA polymerase II largest subunit (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
>1TWF_2 DNA-directed RNA polymerase II 140 kDa polypeptide (chains B)
MSDLANSEKYYDEDPYGFEDESAPITAEDSWAVISAFFREKGLVSQQLDSFNQFVDYTLQ
DIICEDSTLILEQLAQHTTESDNISRKYEISFGKIYVTKPMVNESDGVTHALYPQEARLR
NLTYSSGLFVDVKKRTYEAIDVPGRELKYELIAEESEDDSESGKVFIGRLPIMLRSKNCY
LSEATESDLYKLKECPFDMGGYFIINGSEKVLIAQERSAGNIVQVFKKAAPSPISHVAEI
RSALEKGSRFISTLQVKLYGREGSSARTIKATLPYIKQDIPIVIIFRALGIIPDGEILEH
ICYDVNDWQMLEMLKPCVEDGFVIQDRETALDFIGRRGTALGIKKEKRIQYAKDILQKEF
LPHITQLEGFESRKAFFLGYMINRLLLCALDRKDQDDRDHFGKKRLDLAGPLLAQLFKTL
FKKLTKDIFRYMQRTVEEAHDFNMKLAINAKTITSGLKYALATGNWGEQKKAMSSRAGVS
QVLNRYTYSSTLSHLRRTNTPIGRDGKLAKPRQLHNTHWGLVCPAETPEGQACGLVKNLS
LMSCISVGTDPMPIITFLSEWGMEPLEDYVPHQSPDATRVFVNGVWHGVHRNPARLMETL
RTLRRKGDINPEVSMIRDIREKELKIFTDAGRVYRPLFIVEDDESLGHKELKVRKGHIAK
LMATEYQDIEGGFEDVEEYTWSSLLNEGLVEYIDAEEEESILIAMQPEDLEPAEANEEND
LDVDPAKRIRVSHHATTFTHCEIHPSMILGVAASIIPFPDHNQSPRNTYQSAMGKQAMGV
FLTNYNVRMDTMANILYYPQKPLGTTRAMEYLKFRELPAGQNAIVAIACYSGYNQEDSMI
MNQSSIDRGLFRSLFFRSYMDQEKKYGMSITETFEKPQRTNTLRMKHGTYDKLDDDGLIA
PGVRVSGEDVIIGKTTPISPDEEELGQRTAYHSKRDASTPLRSTENGIVDQVLVTTNQDG
LKFVKVRVRTTKIPQIGDKFASRHGQKGTIGITYRREDMPFTAEGIVPDLIINPHAIPSR
MTVAHLIECLLSKVAALSGNEGDASPFTDITVEGISKLLREHGYQSRGFEVMYNGHTGKK
LMAQIFFGPTYYQRLRHMVDDKIHARARGPMQVLTRQPVEGRSRDGGLRFGEMERDCMIA
HGAASFLKERLMEASDAFRVHICGICGLMTVIAKLNHNQFECKGCDNKIDIYQIHIPYAA
KLLFQELMAMNITPRLYTDRSRDF
Sequence of entity 3 (C), FASTA
>1TWF_3 DNA-directed RNA polymerase II 45 kDa polypeptide (chains C)
MSEEGPQVKIREASKDNVDFILSNVDLAMANSLRRVMIAEIPTLAIDSVEVETNTTVLAD
EFIAHRLGLIPLQSMDIEQLEYSRDCFCEDHCDKCSVVLTLQAFGESESTTNVYSKDLVI
VSNLMGRNIGHPIIQDKEGNGVLICKLRKGQELKLTCVAKKGIAKEHAKWGPAAAIEFEY
DPWNKLKHTDYWYEQDSAKEWPQSKNCEYEDPPNEGDPFDYKAQADTFYMNVESVGSIPV
DQVVVRGIDTLQKKVASILLALTQMDQDKVNFASGDNNTASNMLGSNEDVMMTGAEQDPY
SNASQMGNTGSGGYDNAW
Sequence of entity 4 (E), FASTA
>1TWF_4 DNA-directed RNA polymerases I, II, and III 27 kDa polypeptide (chains E)
MDQENERNISRLWRAFRTVKEMVKDRGYFITQEEVELPLEDFKAKYCDSMGRPQRKMMSF
QANPTEESISKFPDMGSLWVEFCDEPSVGVKTMKTFVIHIQEKNFQTGIFVYQNNITPSA
MKLVPSIPPATIETFNEAALVVNITHHELVPKHIRLSSDEKRELLKRYRLKESQLPRIQR
ADPVALYLGLKRGEVVKIIRKSETSGRYASYRICM
Sequence of entity 5 (F), FASTA
>1TWF_5 DNA-directed RNA polymerases I, II, and III 23 kDa polypeptide (chains F)
MSDYEEAFNDGNENFEDFDVEHFSDEETYEEKPQFKDGETTDANGKTIVTGGNGPEDFQQ
HEQIRRKTLKEKAIPKDQRATTPYMTKYERARILGTRALQISMNAPVFVDLEGETDPLRI
AMKELAEKKIPLVIRRYLPDGSFEDWSVEELIVDL
Sequence of entity 6 (H), FASTA
>1TWF_6 DNA-directed RNA polymerases I, II, and III 14.5 kDa polypeptide (chains H)
MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIA
SSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGG
LLMRLEGNYRNLNNLKQENAYLLIRR
Sequence of entity 7 (I), FASTA
>1TWF_7 DNA-directed RNA polymerase II 14.2 kDa polypeptide (chains I)
MTTFRFCRDCNNMLYPREDKENNRLLFECRTCSYVEEAGSPLVYRHELITNIGETAGVVQ
DIGSDPTLPRSDRECPKCHSRENVFFQSQQRRKDTSMVLFFVCLSCSHIFTSDQKNKRTQ
FS
Sequence of entity 8 (J), FASTA
>1TWF_8 DNA-directed RNA polymerases I, II, and III 8.3 kDa polypeptide (chains J)
MIVPVRCFSCGKVVGDKWESYLNLLQEDELDEGTALSRLGLKRYCCRRMILTHVDLIEKF
LRYNPLEKRD
Sequence of entity 9 (K), FASTA
>1TWF_9 DNA-directed RNA polymerase II 13.6 kDa polypeptide (chains K)
MNAPDRFELFLLGEGESKLKIDPDTKAPNAVVITFEKEDHTLGNLIRAELLNDRKVLFAA
YKVEHPFFARFKLRIQTTEGYDPKDALKNACNSIINKLGALKTNFETEWNLQTLAADDAF
Sequence of entity 10 (L), FASTA
>1TWF_10 DNA-directed RNA polymerases I, II, and III 7.7 kDa polypeptide (chains L)
MSREGFQIPTNLDAAAAGTSQARTATLKYICAECSSKLSLSRTDAVRCKDCGHRILLKAR
TKRLVQFEAR

Ligands and cofactors

IDNameFormulaCopies
UTPUridine 5'-triphosphateC9 H15 N2 O15 P31
MNManganese (II) ionMn2
ZNZinc ionZn8

Primary citation

Structural basis of transcription: nucleotide selection by rotation in the RNA polymerase II active center. Westover, K.D., Bushnell, D.A., Kornberg, R.D. Cell (2004) 119:481-489. DOI 10.1016/j.cell.2004.10.016 · 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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