8P4B: DNA-directed RNA polymerase II subunit RPB1

Structural insights into human co-transcriptional capping - structure 2. Determined by electron microscopy at 3.2 Å resolution. Released 16 Aug 2023.

Method
Electron microscopy
Resolution
3.2 Å
Organisms
Sus scrofa, unidentified, Homo sapiens
Chains
16
Atoms
35,383
Mol. weight
611.92 kDa
Ligands
MG, ZN
Released
16 Aug 2023

Explore 8P4B in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8P4B contains 185 α-helices and 246 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: 72 helices, 68 β-strands

ElementResiduesLengthSheet
β-strand1511
β-strand20-2232
β-strand2513
α-helix26-272
α-helix28-347
β-strand4314
β-strand4715
β-strand5215
β-strand5614
β-strand86-9496
α-helix100-10910
α-helix124-1329
α-helix137-14812
β-strand190-19457
β-strand197-20157
β-strand214-21527
α-helix218-2269
α-helix230-2367
α-helix245-2473
β-strand250-25566
α-helix2561
β-strand26418
β-strand27218
α-helix275-29622
α-helix302-31817
α-helix326-3283
β-strand32919
α-helix331-3333
α-helix3341
β-strand33519
α-helix3361
α-helix339-3424
α-helix349-3535
β-strand357-358210
β-strand362-369811
β-strand377-380411
α-helix382-3854
β-strand389-393512
α-helix3941
α-helix399-40810
β-strand416-420512
β-strand426-428312
β-strand445-449512
α-helix4501
β-strand455-459511
β-strand469-476811
β-strand482-484311
α-helix486-4883
α-helix489-4924
β-strand500-504511
α-helix509-51810
β-strand520111
α-helix521-5244
β-strand526113
β-strand533113
α-helix541-5488
β-strand554-555214
α-helix557-5648
α-helix5741
β-strand575115
α-helix576-5772
β-strand579-581316
β-strand585116
β-strand586-587214
α-helix588-5958
β-strand602-603217
α-helix612-6154
β-strand629-630217
β-strand635-637317
α-helix642-6454
α-helix652-6598
α-helix662-68322
β-strand686118
α-helix689-6924
α-helix697-72125
α-helix725-7284
α-helix733-75927
α-helix765-7706
α-helix778-7814
α-helix782-7865
β-strand789-790219
β-strand793120
β-strand796120
β-strand822-823219
α-helix833-86836
β-strand872-873221
β-strand879-880221
β-strand886-888321
α-helix891-8933
β-strand896122
β-strand902-905423
α-helix913-9208
α-helix927-9315
β-strand934124
α-helix936-9449
α-helix946-96924
β-strand976-979423
α-helix983-99311
β-strand1002124
α-helix1006-101914
α-helix1028-103710
α-helix1039-104810
α-helix1051-10533
α-helix1054-10585
α-helix1062-107716
β-strand1080122
α-helix1081-10822
α-helix1087-109610
α-helix1098-11003
α-helix1121-11288
β-strand1140-1142325
β-strand1143126
α-helix1146-11494
α-helix1151-116111
β-strand1164127
α-helix1166-11694
β-strand1170-1177828
α-helix1189-11946
β-strand1210-1216728
α-helix1218-12247
α-helix1228-123912
β-strand1245-1247328
β-strand1256-1259428
α-helix1283-129412
β-strand1299127
β-strand1307-1310425
β-strand1319129
β-strand1331129
β-strand1335-1338425
β-strand1352126
α-helix1362-13687
α-helix1371-138818
α-helix1395-140410
α-helix1426-14294
α-helix1437-14459
β-strand1448-144922
α-helix1455-14595
β-strand1472-1475430
α-helix1477-14804
β-strand1484131
Chain B: 52 helices, 78 β-strands
ElementResiduesLengthSheet
α-helix22-3615
α-helix41-499
α-helix50-545
α-helix55-617
α-helix63-642
β-strand84132
β-strand87-93732
β-strand97-98233
β-strand106-107233
α-helix108-1092
α-helix110-1167
β-strand121-1331332
β-strand139-1531532
β-strand155134
α-helix168-1736
β-strand185-187334
β-strand190-193434
β-strand196-200535
α-helix2011
β-strand206-208336
β-strand215-223936
β-strand233-240836
β-strand256-259436
β-strand263137
β-strand266-268336
α-helix269-2768
α-helix282-2865
α-helix295-30511
α-helix306-3083
α-helix314-32310
β-strand325137
α-helix332-34110
α-helix342-3465
α-helix358-37720
α-helix382-3843
β-strand391-394435
α-helix396-42328
α-helix431-4344
α-helix437-45014
β-strand453138
β-strand463138
β-strand468-469234
α-helix4701
α-helix475-4828
β-strand484-486335
α-helix503-5053
β-strand523-525335
β-strand531-532239
α-helix539-5457
β-strand551-552240
β-strand565-569540
β-strand572-577640
α-helix584-59310
β-strand602-605440
β-strand612-615440
β-strand621-627739
β-strand628141
β-strand633141
α-helix637-6448
α-helix653-6586
β-strand662-666539
α-helix667-6715
β-strand675-676239
α-helix679-6824
β-strand695-696239
α-helix700-7034
α-helix708-7103
α-helix714-7163
β-strand717142
α-helix719-72810
β-strand732143
β-strand748-751444
β-strand755145
β-strand759-760246
α-helix764-7674
β-strand776-782747
β-strand783118
β-strand794-797447
α-helix798-8036
β-strand808-8171044
β-strand827-829348
β-strand837148
β-strand853149
α-helix854-8552
β-strand859144
β-strand865-867349
β-strand869-872448
β-strand889-891348
α-helix8931
β-strand894-895249
α-helix896-8972
β-strand903-911944
β-strand917-9271144
β-strand934-936350
β-strand942-944350
β-strand945-949547
β-strand956151
β-strand965-967347
α-helix969-9713
α-helix972-9754
β-strand977142
α-helix978-99316
α-helix9961
β-strand997-998246
α-helix1008-10169
β-strand1025-1026247
β-strand1029151
α-helix10351
β-strand1036151
α-helix10371
α-helix10401
β-strand1041-1048847
β-strand1049-1050250
β-strand1051143
β-strand1060111
β-strand1067152
β-strand1074152
α-helix10751
β-strand1085-1086210
α-helix1088-109710
α-helix1100-11045
α-helix1105-11095
β-strand1113-111971
β-strand112511
β-strand1127-1129353
β-strand1134-1136353
β-strand1146-115271
α-helix1153-116412
β-strand116713
β-strand1170-117232
Chain C: 10 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand8-14754
β-strand18-24754
α-helix28-4013
β-strand44-551255
α-helix61-699
β-strand74156
α-helix78-814
β-strand99-106855
α-helix1121
β-strand113-116457
α-helix117-1193
β-strand121-122255
β-strand128156
β-strand149-153557
β-strand158-1681155
α-helix174-1763
β-strand179-186854
α-helix200-2023
α-helix204-2063
α-helix218-2203
β-strand229-235754
α-helix241-27030
Chain D: 9 helices, 1 β-strand
ElementResiduesLengthSheet
α-helix291
β-strand30-31230
α-helix34-4916
α-helix55-584
α-helix59-7012
α-helix77-8913
α-helix94-10310
α-helix108-1147
α-helix116-1183
α-helix124-13714
Chain E: 12 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix4-2421
β-strand26-27258
α-helix30-334
α-helix37-448
β-strand61-64458
β-strand71-75558
α-helix85-9612
β-strand101-106658
α-helix109-1113
α-helix112-1209
β-strand128-131458
α-helix134-1363
α-helix139-1413
β-strand147-150459
α-helix151-1522
α-helix153-16311
α-helix167-1693
β-strand172-173260
α-helix178-1836
β-strand191-196659
β-strand202-207659
β-strand208-209260
Chain F: 3 helices, 5 β-strands
ElementResiduesLengthSheet
β-strand56-57261
α-helix59-7416
α-helix77-782
β-strand79131
α-helix89-9911
β-strand104-109630
β-strand115-119530
β-strand124-125261
Chain G: 4 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand2-131230
α-helix15-173
α-helix22-3413
β-strand38-39230
β-strand43-541230
α-helix56-572
β-strand58-59230
α-helix601
β-strand66-771230
β-strand83-921069
β-strand96-101669
β-strand104-109669
β-strand118-120370
β-strand127-129370
β-strand136-137270
β-strand142-1531269
β-strand156-162769
β-strand170169
Chain H: 0 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand6-14962
β-strand25-32862
β-strand38-44762
β-strand55-61762
β-strand65163
β-strand74115
β-strand83163
β-strand90162
β-strand91-92216
β-strand93-101962
β-strand112-118762
β-strand121-126662
β-strand139-142462
β-strand145-148462

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 betaBprotein1174Sus scrofaI3LGP4 (AlphaFold model)
DNA-directed RNA polymerase II subunit RPB3Cprotein275Sus scrofaI3LCH3 (AlphaFold model)
DNA-directed RNA polymerase II subunit EEprotein210Sus scrofaI3LSI7 (AlphaFold model)
DNA-directed RNA polymerase II subunit FFprotein127Sus scrofaA0A4X1VEK9
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
DNA (5'-d(p*ap*gp*cp*gp*gp*cp*gp*gp*ap*gp*cp*cp*ap*gp*cp*ap*gp*gp*gp*ap*gp*cp*tp*g)-3')NDNA24unidentified
RNA (5'-r(p*gp*up*ap*ap*cp*cp*gp*gp*ap*gp*ap*gp*gp*gp*ap*ap*cp*cp*cp*ap*cp*u)-3')PRNA22unidentified

4 more molecules are not listed.

Sequence of entity 1 (A), FASTA
>8P4B_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
>8P4B_2 DNA-directed RNA polymerase subunit beta (chains B)
MYDADEDMQYDEDDDEITPDLWQEACWIVISSYFDEKGLVRQQLDSFDEFIQMSVQRIVE
DAPPIDLQAEAQHASGEVEEPPRYLLKFEQIYLSKPTHWERDGAPSPMMPNEARLRNLTY
SAPLYVDITKTVIKEGEEQLQTQHQKTFIGKIPIMLRSTYCLLNGLTDRDLCELNECPLD
PGGYFIINGSEKVLIAQEKMATNTVYVFAKKDSKYAYTGECRSCLENSSRPTSTIWVSML
ARGGQGAKKSAIGQRIVATLPYIKQEVPIIIVFRALGFVSDRDILEHIIYDFEDPEMMEM
VKPSLDEAFVIQEQNVALNFIGSRGAKPGVTKEKRIKYAKEVLQKEMLPHVGVSDFCETK
KAYFLGYMVHRLLLAALGRRELDDRDHYGNKRLDLAGPLLAFLFRGMFKNLLKEVRIYAQ
KFIDRGKDFNLELAIKTRIISDGLKYSLATGNWGDQKKAHQARAGVSQVLNRLTFASTLS
HLRRLNSPIGRDGKLAKPRQLHNTLWGMVCPAETPEGHAVGLVKNLALMAYISVGSQPSP
ILEFLEEWSMENLEEISPAAIADATKIFVNGCWVGIHKDPEQLMNTLRKLRRQMDIIVSE
VSMIRDIREREIRIYTDAGRICRPLLIVEKQKLLLKKRHIDQLKEREYNNYSWQDLVASG
VVEYIDTLEEETVMLAMTPDDLQEKEVAYCSTYTHCEIHPSMILGVCASIIPFPDHNQSP
RNTYQSAMGKQAMGVYITNFHVRMDTLAHVLYYPQKPLVTTRSMEYLRFRELPAGINSIV
AIASYTGYNQEDSVIMNRSAVDRGFFRSVFYRSYKEQESKKGFDQEEVFEKPTRETCQGM
RHAIYDKLDDDGLIAPGVRVSGDDVIIGKTVTLPENEDELEGTNRRYTKRDCSTFLRTSE
TGIVDQVMVTLNQEGYKFCKIRVRSVRIPQIGDKFASRHGQKGTCGIQYRQEDMPFTCEG
ITPDIIINPHAIPSRMTIGHLIECLQGKVSANKGEIGDATPFNDAVNVQKISNLLSDYGY
HLRGNEVLYNGFTGRKITSQIFIGPTYYQRLKHMVDDKIHSRARGPIQILNRQPMEGRSR
DGGLRFGEMERDCQIAHGAAQFLRERLFEASDPYQVHVCNLCGIMAIANTRTHTYECRGC
RNKTQISLVRMPYACKLLFQELMSMSIAPRMMSV
Sequence of entity 3 (C), FASTA
>8P4B_3 DNA-directed RNA polymerase II subunit RPB3 (chains C)
MPYANQPTVRITELTDENVKFIIENTDLAVANSIRRVFIAEVPIIAIDWVQIDANSSVLH
DEFIAHRLGLIPLTSDDIVDKLQYSRDCTCEEFCPECSVEFTLDVRCNEDQTRHVTSRDL
ISNSPRVIPVTSRNRDNDPSDYVEQDDILIVKLRKGQELRLRAYAKKGFGKEHAKWNPTA
GVAFEYDPDNALRHTVYPKPEEWPKSEYSELDEDESQAPYDPNGKPERFYYNVESCGSLR
PETIVLSALSGLKKKLSDLQTQLSHEIQSDVLTIN
Sequence of entity 4 (E), FASTA
>8P4B_4 DNA-directed RNA polymerase II subunit E (chains E)
MDDEEETYRLWKIRKTIMQLCHDRGYLVTQDELDQTLEEFKAQFGDKPSEGRPRRTDLTV
LVAHNDDPTDQMFVFFPEEPKVGIKTIKVYCQRMQEENITRALIVVQQGMTPSAKQSLVD
MAPKYILEQFLQQELLINITEHELVPEHVVMTKEEVTELLARYKLRENQLPRIQAGDPVA
RYFGIKRGQVVKIIRPSETAGRYITYRLVQ
Sequence of entity 5 (F), FASTA
>8P4B_5 DNA-directed RNA polymerase II subunit F (chains F)
MSDNEDNFDGDDFDDVEEDEGLDDLENAEEEGQENVEILPSGERPQANQKRITTPYMTKY
ERARVLGTRALQIAMCAPVMVELEGETDPLLIAMKELKARKIPIIIRRYLPDGSYEDWGV
DELIISD
Sequence of entity 6 (H), FASTA
>8P4B_6 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H)
MAGILFEDIFDVKDIDPEGKKFDRVSRLHCESESFKMDLILDVNIQIYPVDLGDKFRLVI
ASTLYEDGTLDDGEYNPTDDRPSRADQFEYVMYGKVYRIEGDETSTEAATRLSAYVSYGG
LLMRLQGDANNLHGFEVDSRVYLLMKKLAF
Sequence of entity 7 (I), FASTA
>8P4B_7 DNA-directed RNA polymerase II subunit RPB9 (chains I)
MEPDGTYEPGFVGIRFCQECNNMLYPKEDKENRILLYACRNCDYQQEADNSCIYVNKITH
EVDELTQIIADVSQDPTLPRTEDHPCQKCGHKEAVFFQSHSARAEDAMRLYYVCTAPHCG
HRWTE
Sequence of entity 8 (J), FASTA
>8P4B_8 DNA-directed RNA polymerases I, II, and III subunit RPABC5 (chains J)
MIIPVRCFTCGKIVGNKWEAYLGLLQAEYTEGDALDALGLKRYCCRRMLLAHVDLIEKLL
NYAPLEK
Sequence of entity 9 (K), FASTA
>8P4B_9 DNA-directed RNA polymerase II subunit RPB11-a (chains K)
MNAPPAFESFLLFEGEKKITINKDTKVPNACLFTINKEDHTLGNIIKSQLLKDPQVLFAG
YKVPHPLEHKIIIRVQTTPDYSPQEAFTNAITDLISELSLLEERFRVAIKDKQEGIE
Sequence of entity 10 (L), FASTA
>8P4B_10 RNA polymerase II subunit K (chains L)
MDTQKDVQPPKQQPMIYICGECHTENEIKSRDPIRCRECGYRIMYKKRTKRLVVFDAR
Sequence of entity 11 (N), FASTA
>8P4B_11 DNA (5'-D(P*AP*GP*CP*GP*GP*CP*GP*GP*AP*GP*CP*CP*AP*GP*CP*AP*GP*GP*GP*AP*GP*CP*TP*G)-3') (chains N)
AGCGGCGGAGCCAGCAGGGAGCTG
Sequence of entity 12 (P), FASTA
>8P4B_12 RNA (5'-R(P*GP*UP*AP*AP*CP*CP*GP*GP*AP*GP*AP*GP*GP*GP*AP*AP*CP*CP*CP*AP*CP*U)-3') (chains P)
GUAACCGGAGAGGGAACCCACU

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg1
ZNZinc ionZn8

Primary citation

Structural insights into human co-transcriptional capping. Garg, G., Dienemann, C., Farnung, L. et al. Mol Cell (2023) 83:2464-2477.e5. DOI 10.1016/j.molcel.2023.06.002 · 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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