7UND: Pol II-DSIF-SPT6-PAF1c-TFIIS-nucleosome complex

Pol II-DSIF-SPT6-PAF1c-TFIIS-nucleosome complex (stalled at +38). Determined by electron microscopy at 3.0 Å resolution. Released 19 Oct 2022.

Method
Electron microscopy
Resolution
3.0 Å
Organisms
Sus scrofa, Homo sapiens, synthetic construct
Chains
33
Atoms
67,913
Mol. weight
1591.92 kDa
Ligands
MG, ZN
Released
19 Oct 2022

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

Secondary structure: helices and β-sheets

7UND contains 365 α-helices and 411 β-strands across 30 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: 5 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix41-422
α-helix46-5611
α-helix64-7815
β-strand83-842131
α-helix86-11328
β-strand118-1192132
α-helix121-13111
Chain A: 74 helices, 76 β-strands
ElementResiduesLengthSheet
β-strand1511
β-strand20-2232
β-strand2513
α-helix28-347
β-strand4314
β-strand47-4935
β-strand51-5225
β-strand5614
α-helix81-833
β-strand86-9496
α-helix100-10910
α-helix124-1329
α-helix137-1448
α-helix145-1473
β-strand192-19437
β-strand197-19937
α-helix2141
β-strand21517
α-helix216-2172
α-helix220-2267
α-helix230-2356
α-helix245-2484
β-strand250-25566
α-helix258-2603
β-strand26418
β-strand27218
α-helix273-2742
α-helix277-29216
α-helix293-2975
α-helix300-31819
β-strand329-33029
β-strand334-33529
α-helix339-3435
α-helix3491
α-helix350-3545
β-strand357-359310
β-strand362-369811
β-strand377-381511
α-helix382-3876
β-strand389-393512
α-helix401-4088
β-strand416-420512
β-strand426112
α-helix429-4313
β-strand445-449512
α-helix4501
β-strand455-459511
α-helix466-4683
β-strand469-477911
β-strand482-484311
α-helix486-4883
α-helix489-4924
β-strand500-504511
α-helix509-51810
β-strand520111
α-helix521-5244
β-strand526-527213
β-strand532-533213
α-helix540-5489
β-strand554-555214
α-helix557-5648
α-helix573-5742
β-strand575115
β-strand579-581316
β-strand585116
β-strand586-587214
α-helix588-5958
β-strand602-604317
α-helix611-6133
β-strand628-631417
β-strand634-637417
α-helix642-6454
α-helix652-6598
α-helix663-68321
β-strand686118
α-helix689-6924
α-helix698-72124
α-helix733-75927
α-helix765-7717
α-helix778-7858
β-strand789-790219
β-strand793120
β-strand796120
β-strand802121
β-strand805121
β-strand822-823219
α-helix833-86634
β-strand872-873222
β-strand879-880222
β-strand886-888322
α-helix891-8933
β-strand896123
β-strand902-905424
α-helix917-9204
α-helix927-9337
β-strand934125
α-helix941-9444
α-helix946-96924
β-strand976-979424
α-helix983-99311
α-helix10011
β-strand1002125
α-helix1006-101914
α-helix1028-103710
α-helix1039-104810
α-helix1053-10564
α-helix1062-107615
β-strand1080123
α-helix1087-109913
α-helix1121-11288
β-strand1138126
β-strand1140-1142327
β-strand1143128
α-helix1151-11599
β-strand1164129
α-helix1166-11683
β-strand1170-1176730
α-helix1181-11833
α-helix1190-11945
β-strand1211-1216630
α-helix1228-123912
α-helix1240-12423
β-strand1243-1245330
β-strand1256-1257230
β-strand1259-1261330
α-helix1282-129413
β-strand1299129
β-strand1306-1310527
β-strand1314131
β-strand1319-1320232
β-strand1330-1331232
β-strand1335-1339527
β-strand1340126
α-helix1344-13474
β-strand1352128
β-strand1358127
α-helix1362-13687
α-helix1371-138717
α-helix1395-140410
β-strand1408133
β-strand1410133
α-helix1416-14194
α-helix1426-14294
α-helix1435-144511
β-strand1448-144922
α-helix1454-14596
α-helix1467-14693
β-strand1471-1475534
α-helix1479-14813
α-helix1534-15374
Chain b: 4 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix25-284
α-helix31-4010
β-strand45-462132
α-helix50-7526
β-strand80-812131
α-helix83-9210
β-strand96-98335
Chain B: 56 helices, 85 β-strands
ElementResiduesLengthSheet
α-helix22-3615
α-helix41-5010
α-helix51-555
β-strand56136
β-strand59136
α-helix63-653
β-strand83-84237
β-strand87-93737
α-helix94-963
β-strand97138
β-strand107138
α-helix108-1092
α-helix110-1156
β-strand121-1331337
α-helix135-1373
β-strand139-1531537
α-helix154-1552
α-helix168-1736
β-strand185-186239
β-strand191-194439
β-strand196-200540
α-helix2011
β-strand206-208341
β-strand215-223941
β-strand233-240841
β-strand256-259441
β-strand263142
β-strand267-268241
α-helix269-2768
α-helix282-2887
α-helix295-30511
α-helix306-3083
α-helix314-3229
β-strand325142
α-helix332-3398
α-helix342-3465
α-helix349-3513
α-helix358-37619
α-helix381-3844
α-helix388-3903
β-strand391-394440
α-helix398-42326
α-helix431-4344
α-helix440-45011
β-strand453143
β-strand463143
β-strand467-469339
α-helix475-4817
β-strand484-486340
α-helix503-5053
β-strand509144
β-strand520145
β-strand523145
β-strand524-525240
β-strand526144
β-strand531-532246
α-helix539-5468
β-strand551147
β-strand565-569547
β-strand572-577647
α-helix580-59213
β-strand602-606547
β-strand611-615547
β-strand621-627746
β-strand628-629248
β-strand632-633248
α-helix637-6448
β-strand646149
β-strand649149
α-helix653-6586
β-strand662-666546
α-helix667-6704
β-strand675-676246
β-strand695-696246
α-helix700-7034
α-helix708-7103
α-helix714-7163
β-strand717150
α-helix719-72810
β-strand732151
β-strand734152
β-strand747-751552
β-strand755153
β-strand759-760254
α-helix762-7643
β-strand776-782755
β-strand783118
β-strand793-797555
α-helix798-8025
β-strand808-8171052
β-strand827-829356
β-strand837156
α-helix845-8473
β-strand849157
β-strand853157
α-helix854-8552
β-strand859152
β-strand865-867357
β-strand869-872456
β-strand889-891356
β-strand894-895257
α-helix896-8972
β-strand903-911952
β-strand917-9271152
β-strand934-937455
β-strand943-949755
β-strand956158
β-strand965-967355
α-helix969-9713
β-strand977150
α-helix978-99316
β-strand997-998254
α-helix1008-10158
β-strand1025-1026255
α-helix10281
β-strand1029158
α-helix10301
α-helix10351
β-strand1036158
α-helix10371
α-helix10401
β-strand1041-10501055
β-strand1051151
α-helix1055-10573
β-strand1060-1062311
β-strand1067159
β-strand1074159
α-helix1075-10762
β-strand1084-1086310
α-helix1088-10958
α-helix1100-11045
α-helix1105-11095
β-strand1115-111951
β-strand112511
α-helix11261
β-strand1127160
β-strand1136160
β-strand1146-115051
α-helix1153-116311
β-strand116713
β-strand1170-117232
Chain c: 5 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix18-214
α-helix27-3610
β-strand42-43261
α-helix47-7226
β-strand77-78262
α-helix80-8910
α-helix91-966
β-strand100-102363
Chain C: 10 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand8-14764
β-strand18-24764
α-helix28-4013
β-strand43-551365
α-helix62-709
β-strand72165
β-strand73166
α-helix83-842
α-helix85-873
β-strand99-106865
α-helix1121
β-strand113-116467
α-helix117-1193
β-strand121-122265
β-strand129166
β-strand149-153567
β-strand158-1691265
α-helix174-1763
β-strand179-182464
β-strand185-186264
α-helix204-2063
α-helix218-2203
β-strand229-235764
α-helix241-26828
Chain d: 4 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix35-4511
β-strand50-51262
α-helix53-8028
β-strand85-86261
α-helix88-9811
α-helix101-11919
Chain D: 10 helices, 2 β-strands
ElementResiduesLengthSheet
β-strand16168
α-helix24-274
β-strand30-31234
α-helix34-4916
α-helix54-585
α-helix59-624
α-helix65-706
α-helix77-8812
α-helix96-1027
α-helix108-1147
α-helix116-1183
α-helix124-13714

22 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 subunitAprotein1984Sus scrofaA0A7M4DUC2
DNA-directed RNA polymerase subunit betaBprotein1251Sus scrofaA0A4X1TVZ5 (AlphaFold model)
DNA-directed RNA polymerase II subunit RPB3Cprotein275Sus scrofaA0A481DF93 (AlphaFold model)
RPOL4c domain-containing proteinDprotein184Sus scrofaA0A8D1GCS3 (AlphaFold model)
DNA-directed RNA polymerase II subunit EEprotein210Sus scrofaA0A4X1VTX4
DNA-directed RNA polymerases I, II, and III subunit RPABC2Fprotein127Sus scrofaA0A4X1VEK9
DNA-directed RNA polymerase II subunit RPB7Gprotein172Sus scrofaA0A4X1VKG7
RPB8Hprotein150Sus scrofa
RPB9Iprotein125Sus scrofa
RPB10Jprotein67Sus scrofa
RPB11Kprotein117Sus scrofa
RNA polymerase II subunit KLprotein58Sus scrofaA0A4X1TRS6

17 more molecules are not listed.

Sequence of entity 1 (A), FASTA
>7UND_1 DNA-directed RNA polymerase subunit (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
YSPTSPSYSPTSPSYSPTSPNYSPTSPNYTPTSPSYSPTSPSYSPTSPNYTPTSPNYSPT
SPSYSPTSPSYSPTSPSYSPSSPRYTPQSPTYTPSSPSYSPSSPSYSPTSPKYTPTSPSY
SPSSPEYTPTSPKYSPTSPKYSPTSPKYSPTSPTYSPTTPKYSPTSPTYSPTSPVYTPTS
PKYSPTSPTYSPTSPKYSPTSPTYSPTSPKGSTYSPTSPGYSPTSPTYSLTSPAISPDDS
DEEN
Sequence of entity 2 (B), FASTA
>7UND_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
>7UND_3 DNA-directed RNA polymerase II subunit RPB3 (chains C)
MPYANQPTVRITELTDENVKFIIENTDLAVANSIRRVFIAEVPIIAIDWVQIDANSSVLH
DEFIAHRLGLIPLTSDDIVDKLQYSRDCTCEEFCPECSVEFTLDVRCNEDQTRHVTSRDL
ISNSPRVIPVTSRNRDNDPSDYVEQDDILIVKLRKGQELRLRAYAKKGFGKEHAKWNPTA
GVAFEYDPDNALRHTVYPKPEEWPKSEYSELDEDESQAPYDPNGKPERFYYNVESCGSLR
PETIVLSALSGLKKKLSDLQTQLSHEIQSDVLTIN
Sequence of entity 4 (D), FASTA
>7UND_4 RPOL4c domain-containing protein (chains D)
MWGPAQPYSDSALSPKPRPFRAVFRGSALPFPAVRVEVRGRSMAAGGSDPRAGDVEEDAS
QLIFPKEFETAETLLNSEVHMLLEHRKQQNESAEDEQELSEVFMKTLNYTARFSRFKNRE
TIASVRSLLLQKKLHKFELACLANLCPETAEESKALIPSLEGRFEDEELQQILDDIQTKR
SFQY
Sequence of entity 5 (E), FASTA
>7UND_5 DNA-directed RNA polymerase II subunit E (chains E)
MDDEEETYRLWKIRKTIMQLCHDRGYLVTQDELDQTLEEFKAQFGDKPSEGRPRRTDLTV
LVAHNDDPTDQMFVFFPEEPKVGIKTIKVYCQRMQEENITRALIVVQQGMTPSAKQSLVD
MAPKYILEQFLQQELLINITEHELVPEHVVMTKEEVTELLARYKLRENQLPRIQAGDPVA
RYFGIKRGQVVKIIRPSETAGRYITYRLVQ
Sequence of entity 6 (F), FASTA
>7UND_6 DNA-directed RNA polymerases I, II, and III subunit RPABC2 (chains F)
MSDNEDNFDGDDFDDVEEDEGLDDLENAEEEGQENVEILPSGERPQANQKRITTPYMTKY
ERARVLGTRALQIAMCAPVMVELEGETDPLLIAMKELKARKIPIIIRRYLPDGSYEDWGV
DELIISD
Sequence of entity 7 (G), FASTA
>7UND_7 DNA-directed RNA polymerase II subunit RPB7 (chains G)
MFYHISLEHEILLHPRYFGPNLLNTVKQKLFTEVEGTCTGKYGFVIAVTTIDNIGAGVIQ
PGRGFVLYPVKYKAIVFRPFKGEVVDAVVTQVNKVGLFTEIGPMSCFISRHSIPSEMEFD
PNSNPPCYKTMDEDIVIQQDDEIRLKIVGTRVDKNDIFAIGSLMDDYLGLVS
Sequence of entity 8 (H), FASTA
>7UND_8 RPB8 (chains H)
MAGILFEDIFDVKDIDPEGKKFDRVSRLHCESESFKMDLILDVNIQIYPVDLGDKFRLVI
ASTLYEDGTLDDGEYNPTDDRPSRADQFEYVMYGKVYRIEGDETSTEAATRLSAYVSYGG
LLMRLQGDANNLHGFEVDSRVYLLMKKLAF
Sequence of entity 9 (I), FASTA
>7UND_9 RPB9 (chains I)
MEPDGTYEPGFVGIRFCQECNNMLYPKEDKENRILLYACRNCDYQQEADNSCIYVNKITH
EVDELTQIIADVSQDPTLPRTEDHPCQKCGHKEAVFFQSHSARAEDAMRLYYVCTAPHCG
HRWTE
Sequence of entity 10 (J), FASTA
>7UND_10 RPB10 (chains J)
MIIPVRCFTCGKIVGNKWEAYLGLLQAEYTEGDALDALGLKRYCCRRMLLAHVDLIEKLL
NYAPLEK
Sequence of entity 11 (K), FASTA
>7UND_11 RPB11 (chains K)
MNAPPAFESFLLFEGEKKITINKDTKVPNACLFTINKEDHTLGNIIKSQLLKDPQVLFAG
YKVPHPLEHKIIIRVQTTPDYSPQEAFTNAITDLISELSLLEERFRVAIKDKQEGIE
Sequence of entity 12 (L), FASTA
>7UND_12 RNA polymerase II subunit K (chains L)
MDTQKDVQPPKQQPMIYICGECHTENEIKSRDPIRCRECGYRIMYKKRTKRLVVFDAR

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg1
ZNZinc ionZn9

Primary citation

Structural basis of nucleosome retention during transcription elongation. Filipovski, M., Soffers, J.H.M., Vos, S.M. et al. Science (2022) 376:1313-1316. DOI 10.1126/science.abo3851 · PubMed

Other PDB entries of the same protein (UniProt A0A7M4DUC2), best resolution first:

Browse structure collections

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