6ZMW: Human 48S translational initiation complex

Structure of a human 48S translational initiation complex. Determined by electron microscopy at 3.7 Å resolution. Released 23 Sept 2020.

Method
Electron microscopy
Resolution
3.7 Å
Organism
Homo sapiens
Chains
57
Atoms
118,155
Mol. weight
2403.16 kDa
Ligands
MG, ZN
Released
23 Sept 2020

Explore 6ZMW in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6ZMW contains 472 α-helices and 462 β-strands across 54 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 1: 14 helices, 47 β-strands

ElementResiduesLengthSheet
β-strand187-190419
α-helix199-21012
α-helix212-2143
β-strand217-219320
β-strand225121
β-strand228121
α-helix229-2302
β-strand232-235419
β-strand236-237220
α-helix243-2497
β-strand264119
α-helix287-2915
α-helix295-2984
β-strand309-310222
β-strand315-319522
β-strand328-333622
β-strand338-342523
β-strand348-353623
β-strand356-361623
β-strand366-372723
β-strand378-381424
β-strand387-3961024
β-strand402-408724
β-strand414-417424
β-strand430-431225
β-strand438-442525
β-strand445-450625
β-strand455-456225
α-helix460-4634
β-strand465125
β-strand469-472426
β-strand479-483526
α-helix484-4863
β-strand491-496626
β-strand503126
β-strand507-509326
β-strand515-519527
β-strand525-531727
β-strand542-548727
β-strand556-560527
β-strand565-570628
α-helix5711
β-strand576-581628
α-helix584-5863
β-strand587-594828
β-strand600-6091028
β-strand613129
β-strand616130
β-strand623130
β-strand626129
β-strand638130
β-strand639131
β-strand644131
β-strand656-659432
β-strand666-669432
β-strand680-683432
β-strand692-695432
α-helix704-7063
α-helix714-7174
α-helix737-7448
α-helix749-76315
Chain 2: 3 helices, 36 β-strands
ElementResiduesLengthSheet
β-strand4-631
β-strand13-1862
β-strand25-2952
β-strand34-3743
β-strand44-4853
β-strand57-6044
β-strand67-7154
β-strand75-7734
β-strand90-9124
β-strand9915
β-strand10116
β-strand107-11156
β-strand122-12656
β-strand12817
α-helix129-1313
β-strand13317
β-strand140-14236
β-strand153-15428
α-helix156-1583
β-strand161-16228
β-strand163-16429
β-strand170-17129
β-strand173-174210
β-strand179-180210
β-strand19515
β-strand204-206311
β-strand207112
β-strand211-215511
β-strand222-227611
β-strand232112
β-strand237112
α-helix2381
β-strand243-248612
β-strand265-271712
β-strand277-284812
β-strand293113
β-strand300113
β-strand301-30331
β-strand309-31131
Chain 3: 17 helices, 3 β-strands
ElementResiduesLengthSheet
α-helix3-1513
α-helix19-213
α-helix23-253
α-helix26-3813
α-helix44-5613
α-helix58-603
α-helix63-7412
α-helix81-877
α-helix91-944
α-helix97-11014
α-helix114-1207
α-helix126-1294
α-helix138-14912
β-strand152-1532125
α-helix155-1617
α-helix167-17711
β-strand1801125
β-strand187-1882125
α-helix192-1954
α-helix207-2159
Chain 4: 8 helices, 7 β-strands
ElementResiduesLengthSheet
β-strand93142
α-helix96-10813
β-strand118-122543
β-strand130142
β-strand133-135343
α-helix150-16314
β-strand168-173643
α-helix181-19010
β-strand198-202544
β-strand213-217544
α-helix245-25511
α-helix266-28924
α-helix301-3033
α-helix306-3149
α-helix320-35233
Chain 5: 18 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix184-20623
α-helix209-2179
α-helix223-24624
α-helix253-2553
α-helix256-2627
α-helix263-2675
α-helix275-28915
α-helix298-3025
α-helix312-32514
α-helix329-3346
α-helix336-3416
α-helix358-37417
α-helix388-40013
α-helix406-41611
α-helix439-46123
α-helix472-4809
α-helix491-4966
β-strand504-5052126
β-strand514-5152126
α-helix527-54822
Chain 6: 17 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix18-247
α-helix30-323
α-helix64-674
α-helix88-903
α-helix99-1057
α-helix106-1083
α-helix117-12711
α-helix155-16713
α-helix175-19117
α-helix199-21113
α-helix263-2664
α-helix269-2779
α-helix281-2844
α-helix297-3004
α-helix308-31710
β-strand322134
β-strand332134
α-helix342-3454
α-helix348-3547
Chain 8: 14 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix33-353
β-strand38-39270
α-helix43-508
β-strand65-68471
β-strand71170
β-strand75-76270
β-strand80171
α-helix98-1047
β-strand116-122771
α-helix131-14313
β-strand148-152571
β-strand165-166271
β-strand168-169272
α-helix171-1755
β-strand198-199272
α-helix212-22312
α-helix229-2346
α-helix235-2406
α-helix248-27225
α-helix273-2786
α-helix2811
α-helix282-2876
α-helix306-3083
α-helix316-35035
Chain 9: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix3-2321

46 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Eukaryotic translation initiation factor 3 subunit I2protein325Homo sapiensQ13347 (AlphaFold model)
Eukaryotic translation initiation factor 3 subunit B1protein814Homo sapiensP55884 (AlphaFold model)
Eukaryotic translation initiation factor 3 subunit M6protein374Homo sapiensQ7L2H7 (AlphaFold model)
Eukaryotic translation initiation factor 3 subunit F4protein357Homo sapiensO00303 (AlphaFold model)
Eukaryotic translation initiation factor 3 subunit Auprotein1382Homo sapiensQ14152
Eukaryotic translation initiation factor 3 subunit Evprotein445Homo sapiensP60228
40S ribosomal protein S6Sprotein249Homo sapiensP62753
Eukaryotic translation initiation factor 3 subunit Cyprotein913Homo sapiensQ99613
Eukaryotic translation initiation factor 3 subunit H8protein352Homo sapiensO15372
40S ribosomal protein S7Gprotein194Homo sapiensP62081
40S ribosomal protein S27Hprotein84Homo sapiensP42677
40S ribosomal protein S21Kprotein83Homo sapiensP63220

45 more molecules are not listed.

Sequence of entity 1 (2), FASTA
>6ZMW_1 Eukaryotic translation initiation factor 3 subunit I (chains 2)
MKPILLQGHERSITQIKYNREGDLLFTVAKDPIVNVWYSVNGERLGTYMGHTGAVWCVDA
DWDTKHVLTGSADNSCRLWDCETGKQLALLKTNSAVRTCGFDFGGNIIMFSTDKQMGYQC
FVSFFDLRDPSQIDNNEPYMKIPCNDSKITSAVWGPLGECIIAGHESGELNQYSAKSGEV
LVNVKEHSRQINDIQLSRDMTMFVTASKDNTAKLFDSTTLEHQKTFRTERPVNSAALSPN
YDHVVLGGGQEAMDVTTTSTRIGKFEARFFHLAFEEEFGRVKGHFGPINSVAFHPDGKSY
SSGGEDGYVRIHYFDPQYFEFEFEA
Sequence of entity 2 (1), FASTA
>6ZMW_2 Eukaryotic translation initiation factor 3 subunit B (chains 1)
MQDAENVAVPEAAEERAEPGQQQPAAEPPPAEGLLRPAGPGAPEAAGTEASSEEVGIAEA
GPESEVRTEPAAEAEAASGPSESPSPPAAEELPGSHAEPPVPAQGEAPGEQARDERSDSR
AQAVSEDAGGNEGRAAEAEPRALENGDADEPSFSDPEDFVDDVSEEELLGDVLKDRPQEA
DGIDSVIVVDNVPQVGPDRLEKLKNVIHKIFSKFGKITNDFYPEEDGKTKGYIFLEYASP
AHAVDAVKNADGYKLDKQHTFRVNLFTDFDKYMTISDEWDIPEKQPFKDLGNLRYWLEEA
ECRDQYSVIFESGDRTSIFWNDVKDPVSIEERARWTETYVRWSPKGTYLATFHQRGIALW
GGEKFKQIQRFSHQGVQLIDFSPCERYLVTFSPLMDTQDDPQAIIIWDILTGHKKRGFHC
ESSAHWPIFKWSHDGKFFARMTLDTLSIYETPSMGLLDKKSLKISGIKDFSWSPGGNIIA
FWVPEDKDIPARVTLMQLPTRQEIRVRNLFNVVDCKLHWQKNGDYLCVKVDRTPKGTQGV
VTNFEIFRMREKQVPVDVVEMKETIIAFAWEPNGSKFAVLHGEAPRISVSFYHVKNNGKI
ELIKMFDKQQANTIFWSPQGQFVVLAGLRSMNGALAFVDTSDCTVMNIAEHYMASDVEWD
PTGRYVVTSVSWWSHKVDNAYWLWTFQGRLLQKNNKDRFCQLLWRPRPPTLLSQEQIKQI
KKDLKKYSKIFEQKDRLSQSKASKELVERRRTMMEDFRKYRKMAQELYMEQKNERLELRG
GVDTDELDSNVDDWEEETIEFFVTEEIIPLGNQE
Sequence of entity 3 (6), FASTA
>6ZMW_3 Eukaryotic translation initiation factor 3 subunit M (chains 6)
MSVPAFIDISEEDQAAELRAYLKSKGAEISEENSEGGLHVDLAQIIEACDVCLKEDDKDV
ESVMNSVVSLLLILEPDKQEALIESLCEKLVKFREGERPSLRLQLLSNLFHGMDKNTPVR
YTVYCSLIKVAASCGAIQYIPTELDQVRKWISDWNLTTEKKHTLLRLLYEALVDCKKSDA
ASKVMVELLGSYTEDNASQARVDAHRCIVRALKDPNAFLFDHLLTLKPVKFLEGELIHDL
LTIFVSAKLASYVKFYQNNKDFIDSLGLLHEQNMAKMRLLTFMGMAVENKEISFDTMQQE
LQIGADDVEAFVIDAVRTKMVYCKIDQTQRKVVVSHSTHRTFGKQQWQQLYDTLNAWKQN
LNKVKNSLLSLSDT
Sequence of entity 4 (4), FASTA
>6ZMW_4 Eukaryotic translation initiation factor 3 subunit F (chains 4)
MATPAVPVSAPPATPTPVPAAAPASVPAPTPAPAAAPVPAAAPASSSDPAAAAAATAAPG
QTPASAQAPAQTPAPALPGPALPGPFPGGRVVRLHPVILASIVDSYERRNEGAARVIGTL
LGTVDKHSVEVTNCFSVPHNESEDEVAVDMEFAKNMYELHKKVSPNELILGWYATGHDIT
EHSVLIHEYYSREAPNPIHLTVDTSLQNGRMSIKAYVSTLMGVPGRTMGVMFTPLTVKYA
YYDTERIGVDLIMKTCFSPNRVIGLSSDLQQVGGASARIQDALSTVLQYAEDVLSGKVSA
DNTVGRFLMSLVNQVPKIVPDDFETMLNSNINDLLMVTYLANLTQSQIALNEKLVNL
Sequence of entity 5 (u), FASTA
>6ZMW_5 Eukaryotic translation initiation factor 3 subunit A (chains u)
MPAYFQRPENALKRANEFLEVGKKQPALDVLYDVMKSKKHRTWQKIHEPIMLKYLELCVD
LRKSHLAKEGLYQYKNICQQVNIKSLEDVVRAYLKMAEEKTEAAKEESQQMVLDIEDLDN
IQTPESVLLSAVSGEDTQDRTDRLLLTPWVKFLWESYRQCLDLLRNNSRVERLYHDIAQQ
AFKFCLQYTRKAEFRKLCDNLRMHLSQIQRHHNQSTAINLNNPESQSMHLETRLVQLDSA
ISMELWQEAFKAVEDIHGLFSLSKKPPKPQLMANYYNKVSTVFWKSGNALFHASTLHRLY
HLSREMRKNLTQDEMQRMSTRVLLATLSIPITPERTDIARLLDMDGIIVEKQRRLATLLG
LQAPPTRIGLINDMVRFNVLQYVVPEVKDLYNWLEVEFNPLKLCERVTKVLNWVREQPEK
EPELQQYVPQLQNNTILRLLQQVSQIYQSIEFSRLTSLVPFVDAFQLERAIVDAARHCDL
QVRIDHTSRTLSFGSDLNYATREDAPIGPHLQSMPSEQIRNQLTAMSSVLAKALEVIKPA
HILQEKEEQHQLAVTAYLKNSRKEHQRILARRQTIEERKERLESLNIQREKEELEQREAE
LQKVRKAEEERLRQEAKEREKERILQEHEQIKKKTVRERLEQIKKTELGAKAFKDIDIED
LEELDPDFIMAKQVEQLEKEKKELQERLKNQEKKIDYFERAKRLEEIPLIKSAYEEQRIK
DMDLWEQQEEERITTMQLEREKALEHKNRMSRMLEDRDLFVMRLKAARQSVYEEKLKQFE
ERLAEERHNRLEERKRQRKEERRITYYREKEEEEQRRAEEQMLKEREERERAERAKREEE
LREYQERVKKLEEVERKKRQRELEIEERERRREEERRLGDSSLSRKDSRWGDRDSEGTWR
KGPEADSEWRRGPPEKEWRRGEGRDEDRSHRRDEERPRRLGDDEDREPSLRPDDDRVPRR
GMDDDRGPRRGPEEDRFSRRGADDDRPSWRNTDDDRPPRRIADEDRGNWRHADDDRPPRR
GLDEDRGSWRTADEDRGPRRGMDDDRGPRRGGADDERSSWRNADDDRGPRRGLDDDRGPR
RGMDDDRGPRRGMDDDRGPRRGMDDDRGPRRGLDDDRGPWRNADDDRIPRRGAEDDRGPW
RNMDDDRLSRRADDDRFPRRGDDSRPGPWRPLVKPGGWREKEKAREESWGPPRESRPSEE
REWDREKERDRDNQDREENDKDPERERDRERDVDREDRFRRPRDEGGWRRGPAEESSSWR
DSSRRDDRDRDDRRRERDDRRDLRERRDLRDDRDRRGPPLRSEREEVSSWRRADDRKDDR
VEERDPPRRVPPPALSRDRERDRDREREGEKEKASWRAEKDRESLRRTKNETDEDGWTTV
RR
Sequence of entity 6 (v), FASTA
>6ZMW_6 Eukaryotic translation initiation factor 3 subunit E (chains v)
MAEYDLTTRIAHFLDRHLVFPLLEFLSVKEIYNEKELLQGKLDLLSDTNMVDFAMDVYKN
LYSDDIPHALREKRTTVVAQLKQLQAETEPIVKMFEDPETTRQMQSTRDGRMLFDYLADK
HGFRQEYLDTLYRYAKFQYECGNYSGAAEYLYFFRVLVPATDRNALSSLWGKLASEILMQ
NWDAAMEDLTRLKETIDNNSVSSPLQSLQQRTWLIHWSLFVFFNHPKGRDNIIDLFLYQP
QYLNAIQTMCPHILRYLTTAVITNKDVRKRRQVLKDLVKVIQQESYTYKDPITEFVECLY
VNFDFDGAQKKLRECESVLVNDFFLVACLEDFIENARLFIFETFCRIHQCISINMLADKL
NMTPEEAERWIVNLIRNARLDAKIDSKLGHVVMGNNAVSPYQQVIEKTKSLSFRSQMLAM
NIEKKLNQNSRSEAPNWATQDSGFY
Sequence of entity 7 (S), FASTA
>6ZMW_7 40S ribosomal protein S6 (chains S)
MKLNISFPATGCQKLIEVDDERKLRTFYEKRMATEVAADALGEEWKGYVVRISGGNDKQG
FPMKQGVLTHGRVRLLLSKGHSCYRPRRTGERKRKSVRGCIVDANLSVLNLVIVKKGEKD
IPGLTDTTVPRRLGPKRASRIRKLFNLSKEDDVRQYVVRKPLNKEGKKPRTKAPKIQRLV
TPRVLQHKRRRIALKKQRTKKNKEEAAEYAKLLAKRMKEAKEKRQEQIAKRRRLSSLRAS
TSKSESSQK
Sequence of entity 8 (y), FASTA
>6ZMW_8 Eukaryotic translation initiation factor 3 subunit C (chains y)
MSRFFTTGSDSESESSLSGEELVTKPVGGNYGKQPLLLSEDEEDTKRVVRSAKDKRFEEL
TNLIRTIRNAMKIRDVTKCLEEFELLGKAYGKAKSIVDKEGVPRFYIRILADLEDYLNEL
WEDKEGKKKMNKNNAKALSTLRQKIRKYNRDFESHITSYKQNPEQSADEDAEKNEEDSEG
SSDEDEDEDGVSAATFLKKKSEAPSGESRKFLKKMDDEDEDSEDSEDDEDWDTGSTSSDS
DSEEEEGKQTALASRFLKKAPTTDEDKKAAEKKREDKAKKKHDRKSKRLDEEEEDNEGGE
WERVRGGVPLVKEKPKMFAKGTEITHAVVIKKLNEILQARGKKGTDRAAQIELLQLLVQI
AAENNLGEGVIVKIKFNIIASLYDYNPNLATYMKPEMWGKCLDCINELMDILFANPNIFV
GENILEESENLHNADQPLRVRGCILTLVERMDEEFTKIMQNTDPHSQEYVEHLKDEAQVC
AIIERVQRYLEEKGTTEEVCRIYLLRILHTYYKFDYKAHQRQLTPPEGSSKSEQDQAENE
GEDSAVLMERLCKYIYAKDRTDRIRTCAILCHIYHHALHSRWYQARDLMLMSHLQDNIQH
ADPPVQILYNRTMVQLGICAFRQGLTKDAHNALLDIQSSGRAKELLGQGLLLRSLQERNQ
EQEKVERRRQVPFHLHINLELLECVYLVSAMLLEIPYMAAHESDARRRMISKQFHHQLRV
GERQPLLGPPESMREHVVAASKAMKMGDWKTCHSFIINEKMNGKVWDLFPEADKVRTMLV
RKIQEESLRTYLFTYSSVYDSISMETLSDMFELDLPTVHSIISKMIINEELMASLDQPTQ
TVVMHRTEPTAQQNLALQLAEKLGSLVENNERVFDHKQGTYGGYFRDQKDGYRKNEGYMR
RGGYRQQQSQTAY
Sequence of entity 9 (8), FASTA
>6ZMW_9 Eukaryotic translation initiation factor 3 subunit H (chains 8)
MASRKEGTGSTATSSSSTAGAAGKGKGKGGSGDSAVKQVQIDGLVVLKIIKHYQEEGQGT
EVVQGVLLGLVVEDRLEITNCFPFPQHTEDDADFDEVQYQMEMMRSLRHVNIDHLHVGWY
QSTYYGSFVTRALLDSQFSYQHAIEESVVLIYDPIKTAQGSLSLKAYRLTPKLMEVCKEK
DFSPEALKKANITFEYMFEEVPIVIKNSHLINVLMWELEKKSAVADKHELLSLASSNHLG
KNLQLLMDRVDEMSQDIVKYNTYMRNTSKQQQQKHQYQQRRQQENMQRQSRGEPPLPEED
LSKLFKPPQPPARMDSLLIAGQINTYCQNIKEFTAQNLGKLFMAQALQEYNN
Sequence of entity 10 (G), FASTA
>6ZMW_10 40S ribosomal protein S7 (chains G)
MFSSSAKIVKPNGEKPDEFESGISQALLELEMNSDLKAQLRELNITAAKEIEVGGGRKAI
IIFVPVPQLKSFQKIQVRLVRELEKKFSGKHVVFIAQRRILPKPTRKSRTKNKQKRPRSR
TLTAVHDAILEDLVFPSEIVGKRIRVKLDGSRLIKVHLDKAQQNNVEHKVETFSGVYKKL
TGKDVNFEFPEFQL
Sequence of entity 11 (H), FASTA
>6ZMW_11 40S ribosomal protein S27 (chains H)
MPLAKDLLHPSPEEEKRKHKKKRLVQSPNSYFMDVKCPGCYKITTVFSHAQTVVLCVGCS
TVLCQPTGGKARLTEGCSFRRKQH
Sequence of entity 12 (K), FASTA
>6ZMW_12 40S ribosomal protein S21 (chains K)
MQNDAGEFVDLYVPRKCSASNRIIGAKDHASIQMNVAEVDKVTGRFNGQFKTYAICGAIR
RMGESDDSILRLAKADGIVSKNF

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg89
ZNZinc ionZn2

Primary citation

Structure of a human 48Stranslational initiation complex. Brito Querido, J., Sokabe, M., Kraatz, S. et al. Science (2020) 369:1220-1227. DOI 10.1126/science.aba4904 · PubMed

Other PDB entries of the same protein (UniProt Q13347 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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