7XN7: DNA-directed RNA polymerase subunit

RNA polymerase II elongation complex containing Spt4/5, Elf1, Spt6, Spn1 and Paf1C. Determined by electron microscopy at 3.1 Å resolution. Released 7 Sept 2022.

Method
Electron microscopy
Resolution
3.1 Å
Organisms
Komagataella phaffii, synthetic construct
Chains
25
Atoms
66,076
Mol. weight
1316.11 kDa
Ligands
MG, ZN
Released
7 Sept 2022

Explore 7XN7 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7XN7 contains 417 α-helices and 361 β-strands across 22 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: 81 helices, 69 β-strands

ElementResiduesLengthSheet
α-helix101
β-strand1111
β-strand16-1832
β-strand2113
α-helix22-232
α-helix24-307
β-strand3414
β-strand3715
α-helix48-492
β-strand5215
α-helix56-583
β-strand82-91104
α-helix96-10510
β-strand10616
β-strand11316
α-helix120-1278
α-helix131-14414
β-strand14717
α-helix1701
β-strand17117
α-helix172-1732
β-strand174-17858
β-strand181-18668
β-strand199-20248
α-helix205-2128
α-helix217-2226
β-strand22619
β-strand23019
α-helix232-2354
β-strand236-24274
β-strand251-252210
β-strand258-259210
α-helix262-28322
α-helix287-30519
α-helix313-3153
β-strand316111
α-helix3211
β-strand322111
α-helix3231
α-helix326-3305
α-helix3361
α-helix337-3415
β-strand344-346312
β-strand349-356813
β-strand364-368513
α-helix369-3746
β-strand376-380514
α-helix386-39510
β-strand403-407514
β-strand413-415314
α-helix422-4243
α-helix427-4282
β-strand432-436514
α-helix4371
β-strand442-446513
α-helix453-4553
β-strand456-464913
β-strand469-471313
α-helix473-4764
β-strand487-491513
α-helix496-50510
β-strand507113
α-helix508-5114
β-strand513115
β-strand520115
α-helix527-5359
β-strand541-542216
α-helix544-5529
α-helix561-5644
β-strand566-568317
β-strand572117
β-strand573-574216
α-helix575-5828
α-helix5841
β-strand589-591318
β-strand606-609418
β-strand612-615418
α-helix620-6234
α-helix630-6389
α-helix640-66122
α-helix667-6704
α-helix674-69926
α-helix703-7064
α-helix711-73727
α-helix743-7508
α-helix756-7594
α-helix760-7645
β-strand767-768219
β-strand771120
β-strand774120
α-helix795-7973
β-strand800-801219
α-helix811-84636
β-strand850-851221
β-strand857-858221
β-strand864-866321
α-helix869-8713
β-strand874122
β-strand879-883523
α-helix891-8988
β-strand914124
α-helix925-94319
α-helix944-9485
β-strand955-959523
α-helix962-97312
α-helix979-9802
β-strand981124
α-helix985-99511
α-helix1007-101610
α-helix1018-102710
α-helix1030-10312
α-helix1032-10376
α-helix1041-105717
β-strand1059122
α-helix1060-10612
α-helix1066-107813
α-helix1100-11089
β-strand1118-1121425
β-strand1122126
α-helix11231
α-helix1124-11274
α-helix1130-114011
β-strand1143-1144227
α-helix1145-11484
β-strand1149-1156828
α-helix1169-11768
β-strand1193-1199728
α-helix12001
α-helix1201-12066
α-helix1211-122212
β-strand1226-1230528
β-strand1238-1244728
α-helix1260-127314
β-strand1275-1277327
β-strand1284-12951225
β-strand1301-13121225
α-helix1316-13205
β-strand1325126
β-strand1331-1332225
α-helix1335-13428
α-helix1345-136016
α-helix1368-137811
α-helix1389-13924
α-helix1399-14035
α-helix1408-141710
β-strand1421-142222
α-helix1427-14326
α-helix1440-14423
β-strand1444-1448529
α-helix1452-14543
Chain B: 51 helices, 81 β-strands
ElementResiduesLengthSheet
α-helix14-2714
α-helix32-409
α-helix41-455
α-helix46-516
β-strand55-62830
β-strand71-841430
β-strand88-90331
β-strand96-98331
α-helix101-1077
β-strand112-1261530
β-strand155-162830
α-helix178-1825
β-strand194-196332
β-strand199-203532
α-helix2041
β-strand205-209533
α-helix2101
β-strand215-218434
α-helix219-2202
β-strand225-2341034
β-strand241-2501034
β-strand261-264434
β-strand272-273234
α-helix274-2818
α-helix286-2938
α-helix300-31314
α-helix319-32810
α-helix338-35013
α-helix365-38218
α-helix387-3904
α-helix394-3963
β-strand397-400433
α-helix402-42928
α-helix443-45614
β-strand459135
α-helix462-4643
β-strand469135
α-helix4701
β-strand473-475332
α-helix481-4877
β-strand490-492333
α-helix502-5054
α-helix509-5113
β-strand515136
α-helix523-5253
β-strand529-531333
β-strand532136
β-strand537-538237
α-helix545-5539
β-strand557-558238
α-helix559-5613
β-strand571-575538
β-strand578-583638
α-helix586-59813
β-strand607-611538
β-strand616-620538
β-strand626-632737
β-strand633-634239
β-strand644-645239
α-helix649-6579
α-helix678-6836
β-strand687-691537
α-helix694-6974
β-strand700-701237
α-helix704-7074
β-strand735140
β-strand740-741237
α-helix745-7484
α-helix752-7543
α-helix759-7613
β-strand762141
α-helix764-77310
α-helix774-7763
β-strand777142
β-strand779143
β-strand792-796543
β-strand800144
β-strand804-805245
α-helix807-8104
β-strand821-827746
β-strand838-842546
α-helix843-8475
β-strand853-8621043
β-strand865147
β-strand871147
β-strand873-874248
β-strand882-883248
β-strand893149
β-strand898150
β-strand899149
β-strand904-905243
β-strand910-912350
β-strand914-917448
α-helix922-9254
β-strand934-936348
β-strand939-940250
α-helix941-9422
β-strand947-9561043
β-strand962-9721143
β-strand979-982446
β-strand988-994746
α-helix996-9983
β-strand1001-1002251
β-strand1010-1012346
α-helix1016-10205
β-strand1022141
α-helix1023-103816
β-strand1041-1043345
α-helix1052-106110
β-strand1069-1070246
β-strand1072-1073251
α-helix10791
β-strand1080151
α-helix10811
β-strand1085-10941046
β-strand1095142
α-helix1099-11013
β-strand1104-1106313
β-strand1111152
β-strand1118152
β-strand1128-1130312
α-helix1132-114110
α-helix1144-11518
β-strand1157-116371
β-strand1174153
β-strand1179153
β-strand1182154
β-strand1187154
β-strand1191-119771
α-helix1198-120912
β-strand121213
β-strand1215-121732
Chain C: 11 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand6-12755
β-strand16-22755
α-helix26-3813
β-strand42-531256
α-helix59-679
β-strand71-73357
α-helix82-843
β-strand96-103856
β-strand111-114458
α-helix115-1173
β-strand119-122456
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
α-helix217-2193
β-strand227-234855
α-helix240-26526
Chain D: 10 helices, 6 β-strands
ElementResiduesLengthSheet
β-strand5-6229
β-strand24159
β-strand29159
α-helix32-343
β-strand37-39360
β-strand45-47360
β-strand49-51329
α-helix53-7119
α-helix86-927
α-helix96-11116
α-helix118-13013
α-helix133-1353
α-helix139-14810
α-helix153-1597
α-helix162-1654
α-helix171-18111
Chain E: 13 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix3-2422
β-strand27161
α-helix31-344
α-helix38-458
α-helix54-563
β-strand59-61362
β-strand63161
α-helix65-706
β-strand77-81562
β-strand86-87263
α-helix89-10113
β-strand106-111662
β-strand114-115263
α-helix117-1215
β-strand130-135662
α-helix137-1393
α-helix143-1453
β-strand151-154464
α-helix155-1562
α-helix157-16711
α-helix171-1733
β-strand176-177264
α-helix182-1876
β-strand194-201864
β-strand205-213964
Chain F: 5 helices, 5 β-strands
ElementResiduesLengthSheet
β-strand73129
α-helix76-783
β-strand84165
α-helix87-10216
α-helix105-1073
α-helix117-12610
β-strand132-137629
α-helix1381
β-strand143-147529
β-strand152165
Chain G: 5 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand2-131229
α-helix15-173
α-helix22-3413
β-strand38-39229
β-strand43-48629
α-helix591
β-strand60-61229
α-helix621
β-strand68-791229
β-strand85-951166
β-strand98-103666
β-strand106-111666
α-helix112-1143
β-strand120-122367
β-strand129-131367
β-strand136-137267
β-strand142-1521166
β-strand157-162666
β-strand169-170266
Chain H: 4 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand4-161317
β-strand23-30817
β-strand37-43717
β-strand54-60717
α-helix80-823
α-helix88-914
β-strand94-1051217
β-strand111-117717
β-strand120-126717
α-helix128-1314
α-helix132-1343
β-strand138-144717

14 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 subunitAprotein1743Komagataella phaffiiC4R4Y0
DNA-directed RNA polymerase subunit betaBprotein1227Komagataella phaffiiC4QZQ7 (AlphaFold model)
RNA polymerase II third largest subunit B44, part of central coreCprotein304Komagataella phaffiiC4R7L2 (AlphaFold model)
RNA polymerase II subunit B32Dprotein186Komagataella phaffiiC4R2U9 (AlphaFold model)
DNA-directed RNA polymerases I, II, and III subunit RPABC1Eprotein214Komagataella phaffiiF2QX94
RNA polymerase subunit ABC23, common to RNA polymerases I, II, and IIIFprotein155Komagataella phaffiiC4R1V1
RNA polymerase II subunitGprotein171Komagataella phaffiiC4R9A1
DNA-directed RNA polymerases I, II, and III subunit RPABC3Hprotein145Komagataella phaffiiC4R273
DNA-directed RNA polymerase subunitIprotein115Komagataella phaffiiF2QPE6
RNA polymerase subunit ABC10-beta, common to RNA polymerases I, II, and IIIJprotein72Komagataella phaffiiC4R009
RNA polymerase II subunit B12.5Kprotein118Komagataella phaffiiC4R3Z5
RNA polymerase subunit ABC10-alphaLprotein72Komagataella phaffiiF2QMI1

13 more molecules are not listed.

Sequence of entity 1 (A), FASTA
>7XN7_1 DNA-directed RNA polymerase subunit (chains A)
MSQFPYSSAPLRSVKEVQFGLLSPEEIRAISVVKIEYPEIMDESRQRPREGGLNDPKLGS
IDRNFKCQTCGEGMAECPGHFGHMELAKPVFHIGFIPKIKKVCECICMNCGKLLLDETNP
TMAQAIRIRDPKKRFNAVWQLCKTKMVCEADAPVDEYSEQKVVSRGGCGNTQPVVRKDGM
KLWGTWKKSGFSDRDAQPERKLLTPGEILNVFKHISPEDCFRLGFNEDYARPEWMIITVL
PVPPPQVRPSIAMDETTQGQDDLTHKLSDILKANINVQKLEMDGSPQHIINEVEQLLQFH
VATYMDNDIAGQPQALQKSGRPVKAIRARLKGKEGRLRGNLMGKRVDFSARTVISGDPNL
ELDQVGVPISIAKTLSYPETVTQYNIHRLTEYVRNGPNEHPGAKYVIRDNGDRIDLRYHK
RAGDIVLQYGWKVERHLMDDDPVLFNRQPSLHKMSMMAHRVKVMPYSTFRLNLSVTSPYN
ADFDGDEMNLHVPQSEETRAELSQLCAVPLQIVSPQSNKPVMGIVQDTLCGVRKMTLRDT
FIEYEQVMNMLFWVPSWDGVVPQPAILKPKPLWTGKQLLSIAIPSGIHLQRTDGGNSLLS
PKDNGMLIVDGKVMFGVVDKKTVGSGGGGLIHTVMREKGPKICAELFGNIQKVVNYWLLH
NGFSIGIGDAIADASTMKEITHAISSAKEQVQEIIYKAQHNELELKPGMTLRESFEGEVS
RTLNDARDSAGRSAEMNLKDLNNVKQMVSAGSKGSFINIAQMSACVGQQMVEGKRIAFGF
ADRSLPHFTKDDFSPESKGFVENSYLRGLTPQEFFFHAMAGREGLIDTAVKTAETGYIQR
RLVKALEDIMVHYDGTTRNSLGDIIQFLYGEDGLDGTQVERQTIDTIPGSDKAFHKRYYV
DLMDEKNSIKPDVIEYAADILGDVELQKELNSEYEQLVSDRKFLREIVFVNGDHNWPLPV
NLRRIIQNAQQIFHLDRAKASDLTIPEIIHGVRDLCKKLFVLRGENELIKEAQQNATSLF
QCLVRARLATRRILEEFRLNRDAFEWVLGTIEAQFQRSLVHPGEMVGVIAAQSIGEPATQ
MTLNTFHYAGVSSKNVTLGVPRLKEILNVAKNIKTPALTVYLDREIALDIEKAKVIQSSI
EYTTLKNVTSATEIYYDPDPTSTVIEEDFDTVEAYFSIPDEKVEETIDKQSPWLLRLELD
RARMLDKQLTMNQVADKISEVFSDDLFVMWSEDNADKLIIRCRVIRDPKAMDEELEAEED
QMLKRIEAHMLDLIALRGIPGISKVYMVKHKVSVPDESGEYKNEELWALETDGINLAEVM
AVPGVDSSRTYSNSFVEILSVLGIEATRSSLYKEILNVIAFDGSYVNYRHMALLVDVMTS
RGYLMAITRHGINRADTGALMRCSFEETVEILFEAGAAAELDDCRGVSENVMLGQLAPMG
TGAFDVMIDEKLLTSLPADYAPTMPLFKGKATQGSATPYDNNAQYDDEFNHDDVADVMFS
PMAETGSGDDRSGGLTEYAGIQSPYQPTSPGLSATSPGFAPTSPGFAPTSPRYSPTSPGY
SPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTS
PSYSPTSPQYSPTSPQYSPTSPQYSPTSPQYSPTSPQYSPTSPQYSPTSPQYSPTSPQYS
PTSPQYSPTSPQYSPTSPQYSPTSPQYSPTSPQYSPTSPQYSPASPQYSPSRHSPNGESK
EGE
Sequence of entity 2 (B), FASTA
>7XN7_2 DNA-directed RNA polymerase subunit beta (chains B)
MSYDPYSIDDTITTEDCWTVISAFFEEKGLVSQQLDSFDEFMETSIQDLVWEEPRLILDQ
PAQHTNEKDNINKRYEIRFGKIYLSRPTMTEADGTTHAMFPQEARLRNLTYSSPVYLDME
KSMFTSIDDEGNPNATLDWQQVHEPIKDGVEEGNKVHIGKVPIMLRSKFCSLRTLDEVDL
YKMKECPYDMGGYFVINGSEKVLIAQERSAANIVQVFKKAAPSPISHVAEIRSALEKGSR
LISTMQIKLYGREDKGTGRTIKATLPYVKQDIPIVIVFRALGVVPDGEILQHICYDENDW
QMLEMLKPCIEEGFVIQDKEVALDFIGRRGSAALGIRREKRIQYAKDILQKELLPHITQE
EGFETRKTFFLGYMVNRLLLCALERKDQDDRDHFGKKRLDLAGPLLANLFRILFRKLTRE
IYRYMQRCIETDRDFNLNLAVKSTTITSGLKYSLATGNWGEQKKAMSSRAGVSQVLNRYT
YSSTLSHLRRTNTPIGRDGKLAKPRQLHNTHWGLVCPAETPEGQACGLVKNLSLLSGISI
GSPSEPIINFLEEWGMEPLEDYDPAQHTKSTRIFVNGVWTGIHRDPSMLVSTMRDLRRSG
AISPEVSIIRDIREREFKIFTDVGRVYRPLFIVEDDESKDNKGELRITKEHIRKIQQGYD
DDAMNDDSEEQEQDVYGWSSLVTSGVIEYVDGEEEETIMIAMTPEDLQTRSLEQKEIDLN
DTAKRIKPEMSTSSHHTFTHCEIHPSMILGVAASIIPFPDHNQSPRNTYQSAMGKQAMGV
FLTNYNVRMDTMANILYYPQKPLAKTQAMEYLKFRELPAGQNAIVAIACYSGYNQEDSMI
MNQSSIDRGLFRSLFFRSYMDQEKRFGISIVEEFEKPTRATTLRLKHGTYEKLDEDGLIA
PGVRVSGDDIIIGKTTPIPPDTEELGQRTKYHTKRDASTPLRSTENGIVDQVLLTTNQEG
LKFVKVRMRTTKVPQIGDKFASRHGQKGTIGVTYRHEDMPFSAEGIVPDLIINPHAIPSR
MTVAHLIECLLSKVGSIRGYEGDATPFTDLTVDAVSNLLRDNGYQSRGFEVMYNGHTGKK
LMAQVFFGPTYYQRLRHMVDDKIHARARGPVQVLTRQPVEGRSRDGGLRFGEMERDCMIA
HGAAGFLKERLMEASDAFRVHVCGICGLMSVIANLKKNQFECRSCKNKTNIYQLHIPYAA
KLLFQELMAMNIAPRLYTERSGVSMRS
Sequence of entity 3 (C), FASTA
>7XN7_3 RNA polymerase II third largest subunit B44, part of central core (chains C)
MSKEPKVNIINAQDDEVELMLSDVNLSLANSLRRTMLAEVPTLAIDLVEIKMNTSVLADE
FISHRLGLIPLVSEDVEEMKYSRDCTCEDYCDECSVVLELSARHEGEEGTTDVYSSSLIK
VSGPGNLNVGEPVRRDDYDQGILLCKLRNHQELNIRCIAKKGIAKEHAKWSPCSAIAFEY
DPHNKLKHTDFWFEVDAKKEWPDSKYATWEEPPKPGEVFDYKAKPNRFYMTVETTGSLKA
NQVFSRGIKTLQEKLANVLFELENSRPANTTAYGGATAYGGQTVYGRETSYGGNTNYGDY
NAPY
Sequence of entity 4 (D), FASTA
>7XN7_4 RNA polymerase II subunit B32 (chains D)
MNVSTSTVGARRRRAKQQVDDEENATLLRLGPEFALKQYDHDGNEHDLIALSLSESRLLI
REALKARSRARNGGVDIESSNGEIDDDELAKVTSGAVANGVVKKTLDYLNTFARFKDEET
CTAVDQLLHNSSDCSVLHPFEIAQLSSLGCEDVDEAITLIPSLAAKKEVNLQRILDELNR
LEDPYK
Sequence of entity 5 (E), FASTA
>7XN7_5 DNA-directed RNA polymerases I, II, and III subunit RPABC1 (chains E)
MEDNNRIISRLWRSFRTVKEMAADRGYFISQEEMDQSLEEFRSKICDSMGNPQRKLMSFL
ANPTPEALEKYSDLGTLWVEFCDEPSVGIKTMRNFCLRIQEKNFSTGIFIYQNNITPSAN
KMIPTVSPAIIETFQESDLVVNITHHELVPKHIRLSDGEKSQLLQRYKLKESQLPRIQRE
DPVARYLGLKRGQVVKIIRRSETSGRYASYRICL
Sequence of entity 6 (F), FASTA
>7XN7_6 RNA polymerase subunit ABC23, common to RNA polymerases I, II, and III (chains F)
MSEDEAFNEQTENFENFEDEHFSDDNFEDRSTQPEDYAVGVTADGRQIINGDGIQEVNGT
IKAHRKRSNKELAILKEERTTTPYLTKYERARILGTRALQISMNAPVLVDIEGETDPLQI
AMKELSQRKIPLVIRRYLPDGSYEDWGCDELIVDN
Sequence of entity 7 (G), FASTA
>7XN7_7 RNA polymerase II subunit (chains G)
MFFLKDLSLILTLHPSYFGPQMNQYLREKLLTDVEGTCTGQFGYIVTVLDGMNIDVGKGR
IIPGSGSAEFEVKYRAVVWKPFKGEVVDAIVSNVSPIGFFADVGPLNVFVSTRLIPDNLV
YNPSNSPPAYMSNDELITKGSKVRLKVVGTRTDVNEIYAIGSIKEDFLGAI
Sequence of entity 8 (H), FASTA
>7XN7_8 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H)
MSSALFDDIFTVQTVDNGRYNKVSRIIGISTTNSAIKLTLDINNEMFPVSQDDSLTVTLA
NSLSLDGEDESANFSKSWRPPKPTDKSLADDYDYVMFGTVYKFEEGDEDKIKVYVSFGGL
LMCLEGGYKSLASLKQDNLYILIRR
Sequence of entity 9 (I), FASTA
>7XN7_9 DNA-directed RNA polymerase subunit (chains I)
MASFRFCLECNNMLYPKEDKENQRLLYSCRNCDYTELAEDPKVYRHELITNIGETAGIVD
DIGQDPTLPRSDKECPECHSRDCVFFQSQQRRKDTNMTLFYVCLNCKKTFRDESE
Sequence of entity 10 (J), FASTA
>7XN7_10 RNA polymerase subunit ABC10-beta, common to RNA polymerases I, II, and III (chains J)
MIIPVRCFSCGKVVGDKWDAYLRLLEEGKQEGDALDELKLKRYCCRRMVLTHVDLIEKFL
RYNPLEKKDFDS
Sequence of entity 11 (K), FASTA
>7XN7_11 RNA polymerase II subunit B12.5 (chains K)
MNAPDRFELFILPDDVPKLKITPDSRVPNCIIIKFEREDHTLANLLREELALYPDVTFVA
YKVEHPLFANFVMRLQTEEGTRPKQALERACASIINKLKTLDHKFNEEWNIKNFSLND
Sequence of entity 12 (L), FASTA
>7XN7_12 RNA polymerase subunit ABC10-alpha (chains L)
MSREGFVAPSGTDLAAAASGVAPNKHYGVKYTCGACAHNFSLNKSDPVRCKECGHRVIYK
ARTKRMIQFDAR

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg1
ZNZinc ionZn10

Primary citation

Structural basis of nucleosome disassembly and reassembly by RNAPII elongation complex with FACT. Ehara, H., Kujirai, T., Shirouzu, M. et al. Science (2022) 377:eabp9466-eabp9466. DOI 10.1126/science.abp9466 · PubMed

Other PDB entries of the same protein (UniProt C4R4Y0), best resolution first:

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