7MK9: Complex structure of trailing EC of EC+EC

Complex structure of trailing EC of EC+EC (trailing EC-focused). Determined by electron microscopy at 3.54 Å resolution. Released 27 Apr 2022.

Method
Electron microscopy
Resolution
3.54 Å
Organism
Saccharomyces cerevisiae
Chains
17
Atoms
36,122
Mol. weight
673.15 kDa
Ligands
MG, ZN
Released
27 Apr 2022

Explore 7MK9 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7MK9 contains 181 α-helices and 230 β-strands across 14 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: 67 helices, 65 β-strands

ElementResiduesLengthSheet
β-strand1111
β-strand17-1822
α-helix24-307
β-strand3413
β-strand83-9083
α-helix93-953
α-helix96-10510
β-strand106-10724
β-strand112-11324
α-helix120-1278
α-helix133-1419
β-strand14715
β-strand17015
α-helix171-1722
β-strand173-17756
β-strand180-18566
β-strand198-20146
α-helix204-2129
α-helix216-2216
α-helix231-2344
β-strand236-24053
α-helix244-2463
α-helix261-28121
α-helix288-30417
β-strand31517
β-strand32117
α-helix322-3232
α-helix325-3295
β-strand343-34538
β-strand348-35259
β-strand353-355310
β-strand363-367510
α-helix368-3736
β-strand376-379411
α-helix385-39410
β-strand402-406511
β-strand412-414311
β-strand431-434411
β-strand442-44549
α-helix4491
β-strand455-45849
β-strand459-463510
β-strand468-470310
α-helix475-4784
β-strand486-49059
α-helix495-50410
β-strand50619
α-helix507-5104
β-strand512-513212
β-strand518-519212
α-helix525-53410
α-helix543-55210
α-helix560-5634
β-strand565113
β-strand571113
α-helix574-5818
α-helix5831
β-strand588-589214
β-strand605-608414
β-strand611-615514
α-helix619-6224
α-helix629-6368
α-helix641-66020
β-strand663115
α-helix666-6694
α-helix673-69826
α-helix710-73627
α-helix742-7487
α-helix755-7628
α-helix774-7752
β-strand779116
β-strand782116
α-helix810-84435
β-strand849-850217
β-strand856-857217
β-strand863-865317
α-helix868-8703
β-strand873118
β-strand879-882419
α-helix8831
α-helix890-8978
α-helix907-9093
β-strand913120
α-helix914-9163
α-helix924-94623
β-strand953-956419
α-helix961-97111
β-strand979120
α-helix983-99614
α-helix1005-101410
α-helix1016-102510
α-helix1028-10303
α-helix1031-10355
α-helix1039-105517
β-strand1057118
α-helix1058-10592
α-helix1064-107310
α-helix1074-10763
α-helix1097-11059
β-strand1116-1119421
β-strand1120122
α-helix1128-113811
β-strand1139123
β-strand1142124
α-helix1143-11464
β-strand1147-1154825
α-helix1164-11663
α-helix1168-11736
β-strand1188126
β-strand1191-1197725
α-helix1199-12046
α-helix1209-122012
β-strand1224-1228525
β-strand1236-1242725
β-strand1243126
α-helix1256-127015
β-strand1272124
β-strand1276123
β-strand1283-12921021
β-strand1298-13071021
β-strand1322122
β-strand1328-1329221
α-helix1332-13387
α-helix1341-135717
α-helix1365-137612
α-helix1396-14005
α-helix1405-141511
β-strand1418-141922
α-helix1424-14307
α-helix1437-14393
β-strand1441-1445527
α-helix1447-14526
Chain B: 50 helices, 77 β-strands
ElementResiduesLengthSheet
α-helix27-293
α-helix30-4112
α-helix45-5612
α-helix60-656
β-strand68-70328
β-strand73129
β-strand86129
β-strand89-91328
β-strand92-97630
β-strand101-103331
α-helix1081
β-strand109-111331
α-helix114-1207
β-strand125-132830
β-strand165-171730
α-helix180-1834
α-helix186-1916
β-strand203-204232
β-strand209-210232
β-strand214-218533
β-strand224-226334
β-strand234-240734
β-strand254-259634
β-strand268-272534
β-strand280-281234
α-helix282-2898
α-helix294-3018
α-helix309-32012
α-helix327-3315
α-helix349-3546
α-helix355-3595
α-helix371-38919
β-strand404-407433
α-helix409-42921
α-helix445-46319
α-helix4811
β-strand482132
α-helix483-4842
α-helix488-4958
β-strand497135
β-strand498-499233
α-helix516-5183
β-strand522136
β-strand538135
β-strand539136
β-strand544-547437
α-helix552-5609
β-strand564-565238
α-helix566-5683
β-strand578-582538
β-strand585-590638
α-helix593-60513
β-strand614-618538
β-strand623-627538
β-strand630-635637
β-strand638-639239
β-strand640-641240
β-strand650-651240
α-helix655-66612
α-helix681-6866
β-strand690139
β-strand693-694237
α-helix697-7004
β-strand703-704239
β-strand740-741239
α-helix745-7484
α-helix751-7544
α-helix759-7613
β-strand762141
α-helix764-77411
α-helix784-7863
β-strand792-796542
β-strand800143
α-helix808-8114
β-strand822-827644
β-strand828115
β-strand838-842544
α-helix843-8486
β-strand853-8621042
β-strand865145
β-strand871145
α-helix890-8923
β-strand893146
β-strand899146
α-helix9001
β-strand904142
β-strand910147
α-helix938-9392
β-strand940147
α-helix941-9422
β-strand948-955842
β-strand963-969742
β-strand972142
β-strand979-981344
β-strand988-994744
α-helix996-9983
β-strand1001148
β-strand1010-1012344
α-helix1016-10205
β-strand1022141
α-helix1024-103815
α-helix1052-106110
β-strand1069-1070249
β-strand1073148
α-helix10791
β-strand1080148
α-helix10811
β-strand1085-1086249
β-strand1087-1091544
β-strand1093-1094244
α-helix1099-11024
β-strand1104-110639
β-strand1111150
β-strand1118150
α-helix1119-11202
β-strand1128-113038
α-helix1132-114110
α-helix1144-11529
β-strand1158-116251
β-strand1163151
β-strand1168151
β-strand1174152
α-helix1175-11773
β-strand1179152
β-strand1192-119651
α-helix1198-120912
β-strand1215-121622
Chain C: 8 helices, 14 β-strands
ElementResiduesLengthSheet
β-strand8-13653
β-strand17-22653
α-helix27-3913
β-strand42154
β-strand45-541055
α-helix60-678
β-strand72-74356
α-helix93-953
β-strand97-104855
β-strand111-114457
α-helix115-1173
β-strand119-120255
β-strand129-132456
α-helix1331
β-strand143-147557
β-strand152-160955
β-strand163154
α-helix168-1703
β-strand176-179453
α-helix211-2122
β-strand228-233653
α-helix240-26526
Chain D: 9 helices, 3 β-strands
ElementResiduesLengthSheet
β-strand36-38358
β-strand44-46358
β-strand48-49227
α-helix52-7524
α-helix119-13315
α-helix139-15113
α-helix157-17014
α-helix174-1829
α-helix188-1947
α-helix196-2016
α-helix204-21512
α-helix219-2202
Chain E: 14 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix4-2522
β-strand28159
α-helix32-354
α-helix39-457
β-strand47160
β-strand53160
α-helix55-584
β-strand61161
β-strand64159
α-helix66-716
α-helix76-772
β-strand78-80361
α-helix90-10213
β-strand107-112661
α-helix118-1203
β-strand131-136661
α-helix138-1403
α-helix144-1463
α-helix1511
β-strand152-155462
α-helix158-16811
α-helix1761
β-strand177-178262
α-helix183-1886
β-strand195-202862
β-strand206-214962
Chain F: 3 helices, 4 β-strands
ElementResiduesLengthSheet
β-strand84163
α-helix87-10216
α-helix110-1112
α-helix117-12711
β-strand132-137627
β-strand143-147527
β-strand152163
Chain G: 1 helix, 13 β-strands
ElementResiduesLengthSheet
β-strand2-131227
α-helix23-3412
β-strand37-39327
β-strand43-48627
β-strand55127
β-strand59-61327
β-strand68-791227
β-strand86-93864
β-strand100-103464
β-strand106-110564
β-strand121-122265
β-strand129-130265
β-strand142-1511064
β-strand158-162564
Chain H: 1 helix, 8 β-strands
ElementResiduesLengthSheet
β-strand7-161013
β-strand24-30713
β-strand37-42613
β-strand54-58513
α-helix78-814
β-strand95-1071313
β-strand111-118813
β-strand121-125513
β-strand139-145713

6 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 (40-mer)NDNA40Saccharomyces cerevisiae
DNA (40-mer)ODNA40Saccharomyces cerevisiae
DNA-directed RNA polymerase subunitAprotein1733Saccharomyces cerevisiaeP04050 (AlphaFold model)
DNA-directed RNA polymerase subunit betaBprotein1224Saccharomyces cerevisiaeP08518 (AlphaFold model)
DNA-directed RNA polymerase II subunit RPB3Cprotein318Saccharomyces cerevisiaeP16370 (AlphaFold model)
DNA-directed RNA polymerase II subunit RPB4Dprotein221Saccharomyces cerevisiaeP20433 (AlphaFold model)
DNA-directed RNA polymerases I, II, and III subunit RPABC1Eprotein215Saccharomyces cerevisiaeP20434
DNA-directed RNA polymerases I,II,and III subunit RPABC2Fprotein155Saccharomyces cerevisiaeP20435
DNA-directed RNA polymerase II subunit RPB7Gprotein171Saccharomyces cerevisiaeP34087
DNA-directed RNA polymerases I, II, and III subunit RPABC3Hprotein146Saccharomyces cerevisiaeP20436
DNA-directed RNA polymerase II subunit RPB9Iprotein122Saccharomyces cerevisiaeP27999
DNA-directed RNA polymerases II subunit RPABC5Jprotein70Saccharomyces cerevisiaeP22139

5 more molecules are not listed.

Sequence of entity 1 (N), FASTA
>7MK9_1 DNA (40-MER) (chains N)
CACTAGTGCCTAAAAAAAATTTATAGTGCAAAAAAACCAA
Sequence of entity 2 (O), FASTA
>7MK9_2 DNA (40-MER) (chains O)
TTGGTTTTTTTGCACTATATTTGTGGGGAAGGCACTAGTG
Sequence of entity 3 (A), FASTA
>7MK9_3 DNA-directed RNA polymerase 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 4 (B), FASTA
>7MK9_4 DNA-directed RNA polymerase subunit beta (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 5 (C), FASTA
>7MK9_5 DNA-directed RNA polymerase II subunit RPB3 (chains C)
MSEEGPQVKIREASKDNVDFILSNVDLAMANSLRRVMIAEIPTLAIDSVEVETNTTVLAD
EFIAHRLGLIPLQSMDIEQLEYSRDCFCEDHCDKCSVVLTLQAFGESESTTNVYSKDLVI
VSNLMGRNIGHPIIQDKEGNGVLICKLRKGQELKLTCVAKKGIAKEHAKWGPAAAIEFEY
DPWNKLKHTDYWYEQDSAKEWPQSKNCEYEDPPNEGDPFDYKAQADTFYMNVESVGSIPV
DQVVVRGIDTLQKKVASILLALTQMDQDKVNFASGDNNTASNMLGSNEDVMMTGAEQDPY
SNASQMGNTGSGGYDNAW
Sequence of entity 6 (D), FASTA
>7MK9_6 DNA-directed RNA polymerase II subunit RPB4 (chains D)
MNVSTSTFQTRRRRLKKVEEEENAATLQLGQEFQLKQINHQGEEEELIALNLSEARLVIK
EALVERRRAFKRSQKKHKKKHLKHENANDETTAVEDEDDDLDEDDVNADDDDFMHSETRE
KELESIDVLLEQTTGGNNKDLKNTMQYLTNFSRFRDQETVGAVIQLLKSTGLHPFEVAQL
GSLACDTADEAKTLIPSLNNKISDDELERILKELSNLETLY
Sequence of entity 7 (E), FASTA
>7MK9_7 DNA-directed RNA polymerases I, II, and III subunit RPABC1 (chains E)
MDQENERNISRLWRAFRTVKEMVKDRGYFITQEEVELPLEDFKAKYCDSMGRPQRKMMSF
QANPTEESISKFPDMGSLWVEFCDEPSVGVKTMKTFVIHIQEKNFQTGIFVYQNNITPSA
MKLVPSIPPATIETFNEAALVVNITHHELVPKHIRLSSDEKRELLKRYRLKESQLPRIQR
ADPVALYLGLKRGEVVKIIRKSETSGRYASYRICM
Sequence of entity 8 (F), FASTA
>7MK9_8 DNA-directed RNA polymerases I,II,and III subunit RPABC2 (chains F)
MSDYEEAFNDGNENFEDFDVEHFSDEETYEEKPQFKDGETTDANGKTIVTGGNGPEDFQQ
HEQIRRKTLKEKAIPKDQRATTPYMTKYERARILGTRALQISMNAPVFVDLEGETDPLRI
AMKELAEKKIPLVIRRYLPDGSFEDWSVEELIVDL
Sequence of entity 9 (G), FASTA
>7MK9_9 DNA-directed RNA polymerase II subunit RPB7 (chains G)
MFFIKDLSLNITLHPSFFGPRMKQYLKTKLLEEVEGSCTGKFGYILCVLDYDNIDIQRGR
ILPTDGSAEFNVKYRAVVFKPFKGEVVDGTVVSCSQHGFEVQVGPMKVFVTKHLMPQDLT
FNAGSNPPSYQSSEDVITIKSRIRVKIEGCISQVSSIHAIGSIKEDYLGAI
Sequence of entity 10 (H), FASTA
>7MK9_10 DNA-directed RNA polymerases I, II, and III subunit RPABC3 (chains H)
MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIA
SSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGG
LLMRLEGNYRNLNNLKQENAYLLIRR
Sequence of entity 11 (I), FASTA
>7MK9_11 DNA-directed RNA polymerase II subunit RPB9 (chains I)
MTTFRFCRDCNNMLYPREDKENNRLLFECRTCSYVEEAGSPLVYRHELITNIGETAGVVQ
DIGSDPTLPRSDRECPKCHSRENVFFQSQQRRKDTSMVLFFVCLSCSHIFTSDQKNKRTQ
FS
Sequence of entity 12 (J), FASTA
>7MK9_12 DNA-directed RNA polymerases II subunit RPABC5 (chains J)
MIVPVRCFSCGKVVGDKWESYLNLLQEDELDEGTALSRLGLKRYCCRRMILTHVDLIEKF
LRYNPLEKRD

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg2
ZNZinc ionZn8

Primary citation

Structural visualization of de novo transcription initiation by Saccharomyces cerevisiae RNA polymerase II. Yang, C., Fujiwara, R., Kim, H.J. et al. Mol Cell (2022) 82:660-676.e9. DOI 10.1016/j.molcel.2021.12.020 · 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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