8OEU: Mammalian Pol II-SPT6 complex

Structure of the mammalian Pol II-SPT6 complex (composite structure, Structure 4). Determined by electron microscopy at 3.04 Å resolution. Released 18 Oct 2023.

Method
Electron microscopy
Resolution
3.04 Å
Organisms
Sus scrofa, synthetic construct, Homo sapiens
Chains
16
Atoms
39,178
Mol. weight
775 kDa
Ligands
MG, ZN
Released
18 Oct 2023

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

Secondary structure: helices and β-sheets

8OEU contains 244 α-helices and 254 β-strands across 13 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: 79 helices, 72 β-strands

ElementResiduesLengthSheet
α-helix141
β-strand1511
β-strand20-2232
β-strand2513
α-helix26-272
α-helix28-347
β-strand47-4824
β-strand51-5224
α-helix531
β-strand86-95105
α-helix97-10711
β-strand11016
β-strand11716
α-helix124-1329
α-helix137-14711
β-strand15317
β-strand18717
α-helix188-1892
β-strand190-19458
β-strand197-20158
β-strand213-21648
α-helix218-2269
α-helix230-2345
α-helix245-2484
β-strand249-25575
α-helix2561
β-strand26519
β-strand27119
α-helix275-29521
α-helix300-31819
α-helix326-3283
β-strand329110
α-helix3341
β-strand335110
α-helix336-3372
α-helix339-3435
α-helix349-3535
β-strand357-359311
β-strand362-369812
β-strand377-380412
α-helix382-3876
β-strand389-393513
α-helix3941
α-helix399-40810
β-strand416-420513
β-strand426-428313
α-helix435-4384
β-strand445-449513
α-helix4501
β-strand455-459512
α-helix466-4683
β-strand469-476812
β-strand482-484312
α-helix489-4924
β-strand500-504512
α-helix509-51810
β-strand520112
α-helix522-5243
β-strand526114
β-strand533114
α-helix541-5488
β-strand554-555215
α-helix557-5659
α-helix573-5742
β-strand575116
α-helix576-5772
β-strand579-581317
β-strand585117
β-strand586-587215
α-helix588-5958
β-strand602-605418
β-strand627-631518
β-strand634-637418
α-helix642-6454
α-helix652-6609
α-helix662-68322
β-strand686119
α-helix689-6913
α-helix696-72126
α-helix725-7284
α-helix733-75927
α-helix765-7717
α-helix778-7858
β-strand789-790220
β-strand793121
β-strand796121
β-strand822-823220
α-helix833-86836
β-strand872-873222
β-strand879-880222
β-strand886-888322
α-helix891-8933
β-strand896123
β-strand902-905424
α-helix913-9208
α-helix927-9337
β-strand934125
α-helix936-9449
α-helix946-96924
β-strand976-979424
α-helix983-99311
β-strand1002125
α-helix1006-101813
α-helix1028-103710
α-helix1039-104810
α-helix1051-10566
α-helix1062-107716
β-strand1080123
α-helix1081-10822
α-helix1087-109610
α-helix1098-11003
α-helix1121-11288
β-strand1139-1142426
β-strand1143127
α-helix1146-11494
α-helix1151-116111
β-strand1164128
α-helix1166-11694
β-strand1170-1177829
α-helix1181-11833
α-helix1190-11967
β-strand1210-1216729
α-helix12171
α-helix1218-12236
α-helix1228-123811
β-strand1243-1248629
β-strand1255-1261729
α-helix1281-129313
β-strand1299128
β-strand1307-1310426
α-helix1315-13173
β-strand1319-1322430
β-strand1328-1331430
β-strand1335-1338426
α-helix1343-13475
β-strand1352127
β-strand1358-1359226
α-helix1362-13698
α-helix1371-138717
α-helix1395-140612
β-strand1408-1409231
α-helix1416-14194
α-helix1426-14327
α-helix1435-14439
β-strand1448-144922
α-helix1454-14596
α-helix1462-14643
α-helix1467-14704
β-strand1471-1475532
α-helix1479-14824
β-strand1484133
Chain B: 57 helices, 88 β-strands
ElementResiduesLengthSheet
β-strand93134
α-helix94-952
α-helix96-983
α-helix99-11315
α-helix118-1269
α-helix127-1315
α-helix132-1387
α-helix140-1412
β-strand142-145435
β-strand160-1701135
β-strand174-176336
β-strand182-184336
α-helix185-1862
α-helix187-1937
β-strand198-2111435
β-strand214-2301735
α-helix245-2506
β-strand262-264337
β-strand267-271537
β-strand273-277538
α-helix2781
β-strand283-285339
β-strand292-297639
β-strand298-300340
β-strand310-312340
β-strand313-317539
β-strand333-336439
β-strand340141
β-strand344-345239
α-helix346-3527
α-helix358-3658
α-helix372-38413
α-helix391-3999
β-strand402141
α-helix409-41810
α-helix419-4235
α-helix435-45319
α-helix458-4614
α-helix465-4673
β-strand468-471438
α-helix473-50129
α-helix508-5114
α-helix514-52714
β-strand530142
α-helix536-5383
β-strand540142
β-strand544-546337
α-helix547-5482
α-helix552-5598
β-strand561-563338
α-helix580-5823
β-strand586143
β-strand600-602338
β-strand603143
β-strand608-609244
α-helix616-6238
β-strand628-629245
α-helix630-6323
α-helix635-6384
β-strand642-646545
β-strand649-654645
α-helix657-66913
β-strand679-683545
β-strand688-692545
β-strand698-704744
β-strand705146
β-strand710146
β-strand713134
α-helix714-7207
α-helix723-7264
α-helix730-7356
β-strand739-743544
α-helix744-7474
β-strand752-753244
α-helix756-7594
β-strand772-773244
α-helix777-7804
α-helix791-7933
β-strand794147
α-helix796-80510
α-helix806-8083
β-strand809148
β-strand811149
β-strand824-828549
β-strand832150
β-strand836-837251
α-helix839-8424
β-strand853-859752
β-strand860119
β-strand870-874552
α-helix875-8795
β-strand885-8941049
β-strand905-906253
β-strand914-915253
β-strand921154
β-strand925155
β-strand930156
β-strand931155
β-strand936-937249
β-strand941154
β-strand942-944356
β-strand946-949453
β-strand966-968353
α-helix9701
β-strand971-972256
α-helix973-9742
β-strand979-9881049
β-strand994-10041149
β-strand1011-1014452
β-strand1019-1026852
β-strand1033157
α-helix1038-10403
β-strand1042-1044352
α-helix1046-10483
β-strand1054147
α-helix1055-107016
β-strand1074-1075251
α-helix1085-10939
β-strand1102-1103252
β-strand1106157
α-helix11121
β-strand1113157
α-helix11141
α-helix11171
β-strand1118-11271052
β-strand1128148
β-strand1137-1139312
β-strand1144158
β-strand1151158
α-helix1155-11573
α-helix11601
β-strand1161-1163311
α-helix1165-117410
α-helix1177-11815
α-helix1182-11865
β-strand1190-119671
β-strand120211
β-strand1204-1206359
β-strand1211-1213359
β-strand1214160
β-strand1219160
β-strand1223-122971
α-helix1230-124011
β-strand124413
β-strand1247-124932
Chain C: 12 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand8-14761
β-strand18-24761
α-helix28-4013
β-strand44-551262
α-helix61-699
β-strand73163
α-helix85-873
β-strand98-106962
α-helix1121
β-strand113-116464
α-helix117-1193
β-strand121-122262
β-strand129163
α-helix130-1323
α-helix147-1482
β-strand149-153564
β-strand158-1681162
α-helix174-1763
β-strand179-186861
α-helix200-2023
α-helix204-2063
α-helix218-2203
β-strand228-235861
α-helix241-26929
Chain D: 6 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand73132
α-helix78-9215
α-helix101-11212
α-helix119-13113
α-helix136-1438
α-helix150-1567
α-helix166-17914
Chain E: 11 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix3-2321
β-strand26165
α-helix30-334
α-helix37-437
α-helix55-584
β-strand60-63466
β-strand64165
β-strand71-75566
β-strand81-82267
α-helix84-9613
β-strand101-106666
β-strand109-110267
α-helix112-12110
β-strand126-131666
α-helix132-1354
α-helix139-1413
β-strand147-150431
α-helix151-1522
α-helix153-16210
β-strand172-173231
α-helix178-1836
β-strand190-197831
β-strand201-209931
Chain F: 5 helices, 5 β-strands
ElementResiduesLengthSheet
β-strand56168
α-helix57-582
α-helix59-7416
α-helix77-782
β-strand79133
α-helix89-9810
β-strand104-109632
α-helix1101
β-strand115-119532
β-strand124168
Chain G: 3 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand2-131232
α-helix15-173
α-helix22-3413
β-strand38-39232
β-strand43-541232
β-strand58-59232
α-helix601
β-strand66-771232
β-strand83-86469
β-strand89-93569
β-strand96-100569
β-strand105-109569
β-strand118-120370
β-strand127-129370
β-strand136-137270
β-strand144-152969
β-strand157-162669
Chain H: 2 helices, 11 β-strands
ElementResiduesLengthSheet
β-strand4-151217
β-strand25-32817
β-strand38-44717
β-strand55-61717
β-strand65171
β-strand74116
β-strand83171
α-helix84-874
β-strand90-1011217
β-strand111-118817
β-strand121-128817
α-helix129-1324
β-strand140-148917

5 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 RPB1Aprotein1970Sus scrofaP11414 (AlphaFold model)
DNA-directed RNA polymerase subunit betaBprotein1251Sus scrofaI3LGP4 (AlphaFold model)
DNA-directed RNA polymerase II subunit RPB3Cprotein275Sus scrofaI3LCH3 (AlphaFold model)
RNA polymerase II subunit DDprotein184Sus scrofaA0A287ADR4 (AlphaFold model)
DNA-directed RNA polymerase II subunit EEprotein210Sus scrofaI3LSI7
DNA-directed RNA polymerase II subunit FFprotein127Sus scrofaA0A4X1VEK9
DNA-directed RNA polymerase II subunit RPB7Gprotein172Sus scrofaA0A4X1VKG7
DNA-directed RNA polymerases I, II, and III subunit RPABC3Hprotein150Sus scrofaI3LCB2
DNA-directed RNA polymerase II subunit RPB9Iprotein125Sus scrofaP60899
DNA-directed RNA polymerases I, II, and III subunit RPABC5Jprotein67Sus scrofaA0A8W4F9W9
DNA-directed RNA polymerase II subunit RPB11-aKprotein117Sus scrofaF1RKE4
RNA polymerase II subunit KLprotein58Sus scrofaA0A4X1TRS6

4 more molecules are not listed.

Sequence of entity 1 (A), FASTA
>8OEU_1 DNA-directed RNA polymerase II subunit RPB1 (chains A)
MHGGGPPSGDSACPLRTIKRVQFGVLSPDELKRMSVTEGGIKYPETTEGGRPKLGGLMDP
RQGVIERTGRCQTCAGNMTECPGHFGHIELAKPVFHVGFLVKTMKVLRCVCFFCSKLLVD
SNNPKIKDILAKSKGQPKKRLTHVYDLCKGKNICEGGEEMDNKFGVEQPEGDEDLTKEKG
HGGCGRYQPRIRRSGLELYAEWKHVNEDSQEKKILLSPERVHEIFKRISDEECFVLGMEP
RYARPEWMIVTVLPVPPLSVRPAVVMQGSARNQDDLTHKLADIVKINNQLRRNEQNGAAA
HVIAEDVKLLQFHVATMVDNELPGLPRAMQKSGRPLKSLKQRLKGKEGRVRGNLMGKRVD
FSARTVITPDPNLSIDQVGVPRSIAANMTFAEIVTPFNIDRLQELVRRGNSQYPGAKYII
RDNGDRIDLRFHPKPSDLHLQTGYKVERHMCDGDIVIFNRQPTLHKMSMMGHRVRILPWS
TFRLNLSVTTPYNADFDGDEMNLHLPQSLETRAEIQELAMVPRMIVTPQSNRPVMGIVQD
TLTAVRKFTKRDVFLERGEVMNLLMFLSTWDGKVPQPAILKPRPLWTGKQIFSLIIPGHI
NCIRTHSTHPDDEDSGPYKHISPGDTKVVVENGELIMGILCKKSLGTSAGSLVHISYLEM
GHDITRLFYSNIQTVINNWLLIEGHTIGIGDSIADSKTYQDIQNTIKKAKQDVIEVIEKA
HNNELEPTPGNTLRQTFENQVNRILNDARDKTGSSAQKSLSEYNNFKSMVVSGAKGSKIN
ISQVIAVVGQQNVEGKRIPFGFKHRTLPHFIKDDYGPESRGFVENSYLAGLTPTEFFFHA
MGGREGLIDTAVKTAETGYIQRRLIKSMESVMVKYDATVRNSINQVVQLRYGEDGLAGES
VEFQNLATLKPSNKAFEKKFRFDYTNERALRRTLQEDLVKDVLSNAHIQNELEREFERMR
EDREVLRVIFPTGDSKVVLPCNLLRMIWNAQKIFHINPRLPSDLHPIKVVEGVKELSKKL
VIVNGDDPLSRQAQENATLLFNIHLRSTLCSRRMAEEFRLSGEAFDWLLGEIESKFNQAI
AHPGEMVGALAAQSLGEPATQMTLNTFHYAGVSAKNVTLGVPRLKELINISKKPKTPSLT
VFLLGQSARDAERAKDILCRLEHTTLRKVTANTAIYYDPNPQSTVVAEDQEWVNVYYEMP
DFDVARISPWLLRVELDRKHMTDRKLTMEQIAEKINAGFGDDLNCIFNDDNAEKLVLRIR
IMNSDENKMQEEEEVVDKMDDDVFLRCIESNMLTDMTLQGIEQISKVYMHLPQTDNKKKI
IITEDGEFKALQEWILETDGVSLMRVLSEKDVDPVRTTSNDIVEIFTVLGIEAVRKALER
ELYHVISFDGSYVNYRHLALLCDTMTCRGHLMAITRHGVNRQDTGPLMKCSFEETVDVLM
EAAAHGESDPMKGVSENIMLGQLAPAGTGCFDLLLDAEKCKYGMEIPTNIPGLGAAGPTG
MFFGSAPSPMGGISPAMTPWNQGATPAYGAWSPSVGSGMTPGAAGFSPSAASDASGFSPG
YSPAWSPTPGSPGSPGPSSPYIPSPGGAMSPSYSPTSPAYEPRSPGGYTPQSPSYSPTSP
SYSPTSPSYSPTSPNYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSP
TSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPS
YSPTSPNYSPTSPNYTPTSPSYSPTSPSYSPTSPNYTPTSPNYSPTSPSYSPTSPSYSPT
SPSYSPSSPRYTPQSPTYTPSSPSYSPSSPSYSPTSPKYTPTSPSYSPSSPEYTPTSPKY
SPTSPKYSPTSPKYSPTSPTYSPTTPKYSPTSPTYSPTSPVYTPTSPKYSPTSPTYSPTS
PKYSPTSPTYSPTSPKGSTYSPTSPGYSPTSPTYSLTSPAISPDDSDEEN
Sequence of entity 2 (B), FASTA
>8OEU_2 DNA-directed RNA polymerase subunit beta (chains B)
MCSTNLSQALAYFRAGANLTAASLWAGFRGSRRIFWERRKRKSLCLALRPGGACWRWLLA
VSCVSLRGLGAPGSCANMYDADEDMQYDEDDDEITPDLWQEACWIVISSYFDEKGLVRQQ
LDSFDEFIQMSVQRIVEDAPPIDLQAEAQHASGEVEEPPRYLLKFEQIYLSKPTHWERDG
APSPMMPNEARLRNLTYSAPLYVDITKTVIKEGEEQLQTQHQKTFIGKIPIMLRSTYCLL
NGLTDRDLCELNECPLDPGGYFIINGSEKVLIAQEKMATNTVYVFAKKDSKYAYTGECRS
CLENSSRPTSTIWVSMLARGGQGAKKSAIGQRIVATLPYIKQEVPIIIVFRALGFVSDRD
ILEHIIYDFEDPEMMEMVKPSLDEAFVIQEQNVALNFIGSRGAKPGVTKEKRIKYAKEVL
QKEMLPHVGVSDFCETKKAYFLGYMVHRLLLAALGRRELDDRDHYGNKRLDLAGPLLAFL
FRGMFKNLLKEVRIYAQKFIDRGKDFNLELAIKTRIISDGLKYSLATGNWGDQKKAHQAR
AGVSQVLNRLTFASTLSHLRRLNSPIGRDGKLAKPRQLHNTLWGMVCPAETPEGHAVGLV
KNLALMAYISVGSQPSPILEFLEEWSMENLEEISPAAIADATKIFVNGCWVGIHKDPEQL
MNTLRKLRRQMDIIVSEVSMIRDIREREIRIYTDAGRICRPLLIVEKQKLLLKKRHIDQL
KEREYNNYSWQDLVASGVVEYIDTLEEETVMLAMTPDDLQEKEVAYCSTYTHCEIHPSMI
LGVCASIIPFPDHNQSPRNTYQSAMGKQAMGVYITNFHVRMDTLAHVLYYPQKPLVTTRS
MEYLRFRELPAGINSIVAIASYTGYNQEDSVIMNRSAVDRGFFRSVFYRSYKEQESKKGF
DQEEVFEKPTRETCQGMRHAIYDKLDDDGLIAPGVRVSGDDVIIGKTVTLPENEDELEGT
NRRYTKRDCSTFLRTSETGIVDQVMVTLNQEGYKFCKIRVRSVRIPQIGDKFASRHGQKG
TCGIQYRQEDMPFTCEGITPDIIINPHAIPSRMTIGHLIECLQGKVSANKGEIGDATPFN
DAVNVQKISNLLSDYGYHLRGNEVLYNGFTGRKITSQIFIGPTYYQRLKHMVDDKIHSRA
RGPIQILNRQPMEGRSRDGGLRFGEMERDCQIAHGAAQFLRERLFEASDPYQVHVCNLCG
IMAIANTRTHTYECRGCRNKTQISLVRMPYACKLLFQELMSMSIAPRMMSV
Sequence of entity 3 (C), FASTA
>8OEU_3 DNA-directed RNA polymerase II subunit RPB3 (chains C)
MPYANQPTVRITELTDENVKFIIENTDLAVANSIRRVFIAEVPIIAIDWVQIDANSSVLH
DEFIAHRLGLIPLTSDDIVDKLQYSRDCTCEEFCPECSVEFTLDVRCNEDQTRHVTSRDL
ISNSPRVIPVTSRNRDNDPSDYVEQDDILIVKLRKGQELRLRAYAKKGFGKEHAKWNPTA
GVAFEYDPDNALRHTVYPKPEEWPKSEYSELDEDESQAPYDPNGKPERFYYNVESCGSLR
PETIVLSALSGLKKKLSDLQTQLSHEIQSDVLTIN
Sequence of entity 4 (D), FASTA
>8OEU_4 RNA polymerase II subunit D (chains D)
MWGPAQPYSDSALSPKPRPFRAVFRGSALPFPAVRVEVRGRSMAAGGSDPRAGDVEEDAS
QLIFPKEFETAETLLNSEVHMLLEHRKQQNESAEDEQELSEVFMKTLNYTARFSRFKNRE
TIASVRSLLLQKKLHKFELACLANLCPETAEESKALIPSLEGRFEDEELQQILDDIQTKR
SFQY
Sequence of entity 5 (E), FASTA
>8OEU_5 DNA-directed RNA polymerase II subunit E (chains E)
MDDEEETYRLWKIRKTIMQLCHDRGYLVTQDELDQTLEEFKAQFGDKPSEGRPRRTDLTV
LVAHNDDPTDQMFVFFPEEPKVGIKTIKVYCQRMQEENITRALIVVQQGMTPSAKQSLVD
MAPKYILEQFLQQELLINITEHELVPEHVVMTKEEVTELLARYKLRENQLPRIQAGDPVA
RYFGIKRGQVVKIIRPSETAGRYITYRLVQ
Sequence of entity 6 (F), FASTA
>8OEU_6 DNA-directed RNA polymerase II subunit F (chains F)
MSDNEDNFDGDDFDDVEEDEGLDDLENAEEEGQENVEILPSGERPQANQKRITTPYMTKY
ERARVLGTRALQIAMCAPVMVELEGETDPLLIAMKELKARKIPIIIRRYLPDGSYEDWGV
DELIISD
Sequence of entity 7 (G), FASTA
>8OEU_7 DNA-directed RNA polymerase II subunit RPB7 (chains G)
MFYHISLEHEILLHPRYFGPNLLNTVKQKLFTEVEGTCTGKYGFVIAVTTIDNIGAGVIQ
PGRGFVLYPVKYKAIVFRPFKGEVVDAVVTQVNKVGLFTEIGPMSCFISRHSIPSEMEFD
PNSNPPCYKTMDEDIVIQQDDEIRLKIVGTRVDKNDIFAIGSLMDDYLGLVS
Sequence of entity 8 (H), FASTA
>8OEU_8 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H)
MAGILFEDIFDVKDIDPEGKKFDRVSRLHCESESFKMDLILDVNIQIYPVDLGDKFRLVI
ASTLYEDGTLDDGEYNPTDDRPSRADQFEYVMYGKVYRIEGDETSTEAATRLSAYVSYGG
LLMRLQGDANNLHGFEVDSRVYLLMKKLAF
Sequence of entity 9 (I), FASTA
>8OEU_9 DNA-directed RNA polymerase II subunit RPB9 (chains I)
MEPDGTYEPGFVGIRFCQECNNMLYPKEDKENRILLYACRNCDYQQEADNSCIYVNKITH
EVDELTQIIADVSQDPTLPRTEDHPCQKCGHKEAVFFQSHSARAEDAMRLYYVCTAPHCG
HRWTE
Sequence of entity 10 (J), FASTA
>8OEU_10 DNA-directed RNA polymerases I, II, and III subunit RPABC5 (chains J)
MIIPVRCFTCGKIVGNKWEAYLGLLQAEYTEGDALDALGLKRYCCRRMLLAHVDLIEKLL
NYAPLEK
Sequence of entity 11 (K), FASTA
>8OEU_11 DNA-directed RNA polymerase II subunit RPB11-a (chains K)
MNAPPAFESFLLFEGEKKITINKDTKVPNACLFTINKEDHTLGNIIKSQLLKDPQVLFAG
YKVPHPLEHKIIIRVQTTPDYSPQEAFTNAITDLISELSLLEERFRVAIKDKQEGIE
Sequence of entity 12 (L), FASTA
>8OEU_12 RNA polymerase II subunit K (chains L)
MDTQKDVQPPKQQPMIYICGECHTENEIKSRDPIRCRECGYRIMYKKRTKRLVVFDAR

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg1
ZNZinc ionZn8

Primary citation

Structure of the transcribing RNA polymerase II-Elongin complex. Chen, Y., Kokic, G., Dienemann, C. et al. Nat Struct Mol Biol (2023) 30:1925-1935. DOI 10.1038/s41594-023-01138-w · PubMed

Other PDB entries of the same protein (UniProt P11414 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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