7X0S: Human TRiC-tubulin-S3

Human TRiC-tubulin-S3. Determined by electron microscopy at 3.1 Å resolution. Released 12 Apr 2023.

Method
Electron microscopy
Resolution
3.1 Å
Organism
Homo sapiens
Chains
17
Atoms
68,346
Mol. weight
1005 kDa
Ligands
MG, AF3, ADP
Released
12 Apr 2023

Explore 7X0S in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7X0S contains 394 α-helices and 433 β-strands across 17 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: 23 helices, 27 β-strands

ElementResiduesLengthSheet
β-strand71128
β-strand10-123129
α-helix15-3218
α-helix33-353
β-strand421116
β-strand43-475107
β-strand52-554107
α-helix58-647
α-helix70-8516
α-helix92-10817
α-helix114-13219
α-helix146-15611
α-helix167-17610
β-strand181-1833130
β-strand187-1893130
α-helix192-1943
β-strand197-2015131
α-helix205-2073
β-strand209-2113131
β-strand213-2164132
β-strand228-2325132
β-strand234-2374133
β-strand250-2523125
β-strand253-2542114
α-helix257-2593
α-helix260-27718
β-strand285-2884133
α-helix298-3036
β-strand306-3094133
α-helix313-32311
β-strand3281133
α-helix342-3443
β-strand348-3558132
β-strand360-3656132
β-strand374-3796131
α-helix382-40423
β-strand408-4103134
α-helix414-42916
α-helix435-44511
α-helix447-4559
α-helix463-47614
β-strand4861135
β-strand4891136
β-strand4941136
β-strand4971135
α-helix498-5014
β-strand504-5063134
α-helix508-52417
β-strand529-5324129
α-helix533-5353
Chain A: 24 helices, 28 β-strands
ElementResiduesLengthSheet
β-strand7152
β-strand10-12351
α-helix15-3218
α-helix33-353
β-strand42-47630
β-strand52-55430
α-helix58-647
α-helix70-8516
α-helix92-10817
α-helix114-13219
α-helix145-15612
α-helix167-17610
β-strand181-183367
β-strand187-189367
α-helix192-1943
β-strand197-201568
α-helix205-2073
β-strand209-211368
β-strand213-216469
β-strand228-232569
β-strand234-237470
β-strand241171
β-strand250-252348
β-strand253-254238
α-helix257-2593
α-helix260-27718
β-strand285-288470
β-strand292171
α-helix298-3036
β-strand306-308370
α-helix313-32311
β-strand328170
α-helix342-3443
β-strand348-355869
β-strand360-365669
β-strand374-379668
α-helix382-40423
β-strand408-410372
α-helix414-42916
α-helix435-44511
α-helix447-4559
α-helix463-47614
α-helix483-4853
β-strand486173
β-strand489174
β-strand494174
β-strand497173
α-helix498-5014
β-strand504-506372
α-helix508-52417
β-strand529-532451
α-helix533-5353
Chain B: 23 helices, 22 β-strands
ElementResiduesLengthSheet
β-strand13142
β-strand17-20441
α-helix24-3613
α-helix39-424
β-strand49-53560
β-strand62-64360
α-helix67-748
α-helix81-9414
α-helix99-11517
α-helix123-14321
β-strand146161
α-helix152-16615
α-helix167-1693
α-helix179-18810
β-strand199-205762
α-helix209-2113
β-strand213-214262
β-strand219-220263
β-strand237-240464
β-strand254-258548
α-helix261-28222
α-helix283-2853
β-strand289-292464
α-helix298-3069
β-strand312-313264
α-helix319-3279
α-helix338-3403
β-strand348165
β-strand351-353363
β-strand358-361463
β-strand363165
β-strand371-377762
α-helix380-40021
β-strand406-408361
α-helix412-42514
α-helix430-44314
α-helix445-45410
α-helix458-46912
β-strand476-479466
β-strand484-487466
α-helix488-4914
β-strand494-496361
α-helix497-51519
β-strand517-522641
α-helix524-5252
Chain e: 21 helices, 30 β-strands
ElementResiduesLengthSheet
β-strand171100
α-helix20-223
β-strand231117
β-strand26199
α-helix31-4616
α-helix54-552
β-strand56-605118
β-strand66-694118
α-helix72-776
β-strand811119
α-helix84-9916
α-helix106-12318
α-helix128-14619
α-helix161-17111
α-helix177-1793
α-helix182-19211
β-strand1961120
β-strand2011120
β-strand207-2148121
α-helix217-2193
β-strand221-2233121
β-strand2291122
β-strand240-2412122
β-strand244-2496123
β-strand2531124
β-strand261184
β-strand264-2652125
α-helix269-29123
β-strand297-3004123
β-strand3041124
α-helix306-3149
β-strand319-3202123
α-helix325-33410
β-strand3401123
β-strand352-3543123
β-strand357-3604122
β-strand369-3724122
β-strand381-3877121
α-helix390-41223
β-strand416-4183126
α-helix422-43413
α-helix443-45311
α-helix455-4639
α-helix468-48114
β-strand4871127
β-strand4981127
α-helix499-5024
β-strand505-5073126
α-helix508-52619
β-strand528-532599
β-strand5341117
Chain E: 22 helices, 31 β-strands
ElementResiduesLengthSheet
β-strand17123
α-helix20-223
β-strand23140
β-strand26122
α-helix30-4718
α-helix54-552
β-strand56-60541
β-strand66-69441
α-helix72-776
β-strand81142
α-helix86-9914
α-helix106-12318
α-helix128-14619
α-helix161-17111
α-helix177-1793
α-helix182-19211
β-strand196143
β-strand201143
β-strand207-214844
α-helix217-2193
β-strand221-223344
β-strand229145
β-strand232146
β-strand240-241245
β-strand244-249646
β-strand253147
β-strand26118
β-strand264-265248
α-helix269-29123
β-strand297-300446
β-strand304147
α-helix306-3149
β-strand319-320246
α-helix325-33410
β-strand340146
α-helix348-3503
β-strand352-354346
β-strand357-360445
β-strand369-372445
β-strand381-387744
α-helix390-41223
β-strand416-418349
α-helix422-43413
α-helix443-45311
α-helix455-4639
α-helix468-48114
β-strand487150
β-strand498150
α-helix499-5024
β-strand505-507349
α-helix508-52619
β-strand528-532522
β-strand534140
Chain G: 25 helices, 29 β-strands
ElementResiduesLengthSheet
α-helix5-73
β-strand15-18430
α-helix20-234
α-helix25-3410
β-strand47111
β-strand48-5141
β-strand57-6041
α-helix63-675
α-helix75-9016
α-helix96-10712
α-helix109-1135
α-helix119-13719
β-strand142-143231
α-helix149-16012
α-helix164-1663
α-helix169-18315
β-strand184-185232
β-strand192-193232
β-strand200-205633
α-helix209-2113
β-strand213-215333
β-strand218-220334
β-strand232-233234
β-strand238-240335
β-strand241136
β-strand245137
β-strand255-256238
β-strand25817
α-helix262-28221
β-strand289-291335
β-strand296137
α-helix298-3069
β-strand310-312335
α-helix317-32610
β-strand332136
α-helix335-3373
α-helix340-3423
β-strand343-344235
β-strand350-354534
β-strand359-363534
β-strand373-378633
α-helix381-40323
β-strand406-408331
α-helix413-42513
α-helix426-4283
α-helix434-44310
α-helix446-45510
α-helix461-4699
β-strand478139
β-strand489139
α-helix490-4934
β-strand497-498231
α-helix499-51719
β-strand519-526830
Chain H: 22 helices, 24 β-strands
ElementResiduesLengthSheet
β-strand14-17412
α-helix19-3214
α-helix33-353
β-strand46-50522
β-strand56-59422
α-helix62-654
β-strand71123
α-helix77-8913
α-helix95-10612
α-helix109-1124
α-helix119-13719
β-strand141124
α-helix149-16214
α-helix172-18312
α-helix192-1943
β-strand195-201725
α-helix205-2073
β-strand209-211325
β-strand215-216226
β-strand232126
β-strand237-240427
β-strand244128
β-strand253-25538
α-helix260-28122
β-strand288-291427
β-strand295128
α-helix297-3059
β-strand309-311327
α-helix316-32611
β-strand330-331227
α-helix334-3363
β-strand347-351526
β-strand358-362526
β-strand370-376725
α-helix379-40123
β-strand405-407324
α-helix412-42413
α-helix432-4409
α-helix441-4433
α-helix444-4518
α-helix457-47014
β-strand475-477329
β-strand484-486329
β-strand493-495324
α-helix496-51318
β-strand516-521612
Chain I: 22 helices, 25 β-strands
ElementResiduesLengthSheet
α-helix33-4715
α-helix49-513
β-strand59-62451
β-strand69-71351
α-helix74-818
β-strand83152
α-helix89-10113
α-helix108-12316
α-helix130-15122
β-strand153-154253
α-helix160-17112
α-helix175-1795
α-helix183-1897
α-helix205-2073
β-strand208-212554
β-strand215155
α-helix218-2203
β-strand222154
β-strand233156
β-strand240-244557
β-strand246-249456
β-strand253158
β-strand261-266648
α-helix273-29119
β-strand297-301556
β-strand309158
α-helix311-3199
β-strand323-328656
α-helix333-3397
β-strand345156
α-helix348-3503
α-helix353-3553
β-strand359-366857
β-strand372-377657
β-strand386-390554
β-strand392155
α-helix395-41723
β-strand420-423453
α-helix427-44115
α-helix447-45610
α-helix460-4689
α-helix473-48614
β-strand491-494459
β-strand499-502459
β-strand509-511353
α-helix512-52918
β-strand532-537660

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

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
T-complex protein 1 subunit zetaK, zprotein531Homo sapiensP40227 (AlphaFold model)
T-complex protein 1 subunit thetaJ, Pprotein548Homo sapiensP50990 (AlphaFold model)
T-complex protein 1 subunit etaH, Oprotein543Homo sapiensQ99832 (AlphaFold model)
T-complex protein 1 subunit gammaG, Nprotein545Homo sapiensP49368 (AlphaFold model)
T-complex protein 1 subunit epsilonE, eprotein539Homo sapiensP48643
T-complex protein 1 subunit deltaI, Mprotein539Homo sapiensP50991
T-complex protein 1 subunit betaB, Lprotein535Homo sapiensP78371
T-complex protein 1 subunit alphaA, aprotein556Homo sapiensP17987
Tubulin beta chainRprotein444Homo sapiensP07437
Sequence of entity 1 (K, z), FASTA
>7X0S_1 T-complex protein 1 subunit zeta (chains K, z)
MAAVKTLNPKAEVARAQAALAVNISAARGLQDVLRTNLGPKGTMKMLVSGAGDIKLTKDG
NVLLHEMQIQHPTASLIAKVATAQDDITGDGTTSNVLIIGELLKQADLYISEGLHPRIIT
EGFEAAKEKALQFLEEVKVSREMDRETLIDVARTSLRTKVHAELADVLTEAVVDSILAIK
KQDEPIDLFMIEIMEMKHKSETDTSLIRGLVLDHGARHPDMKKRVEDAYILTCNVSLEYE
KTEVNSGFFYKSAEEREKLVKAERKFIEDRVKKIIELKRKVCGDSDKGFVVINQKGIDPF
SLDALSKEGIVALRRAKRRNMERLTLACGGVALNSFDDLSPDCLGHAGLVYEYTLGEEKF
TFIEKCNNPRSVTLLIKGPNKHTLTQIKDAVRDGLRAVKNAIDDGCVVPGAGAVEVAMAE
ALIKHKPSVKGRAQLGVQAFADALLIIPKVLAQNSGFDLQETLVKIQAEHSESGQLVGVD
LNTGEPMVAAEVGVWDNYCVKKQLLHSCTVIATNILLVDEIMRAGMSSLKG
Sequence of entity 2 (J, P), FASTA
>7X0S_2 T-complex protein 1 subunit theta (chains J, P)
MALHVPKAPGFAQMLKEGAKHFSGLEEAVYRNIQACKELAQTTRTAYGPNGMNKMVINHL
EKLFVTNDAATILRELEVQHPAAKMIVMASHMQEQEVGDGTNFVLVFAGALLELAEELLR
IGLSVSEVIEGYEIACRKAHEILPNLVCCSAKNLRDIDEVSSLLRTSIMSKQYGNEVFLA
KLIAQACVSIFPDSGHFNVDNIRVCKILGSGISSSSVLHGMVFKKETEGDVTSVKDAKIA
VYSCPFDGMITETKGTVLIKTAEELMNFSKGEENLMDAQVKAIADTGANVVVTGGKVADM
ALHYANKYNIMLVRLNSKWDLRRLCKTVGATALPRLTPPVLEEMGHCDSVYLSEVGDTQV
VVFKHEKEDGAISTIVLRGSTDNLMDDIERAVDDGVNTFKVLTRDKRLVPGGGATEIELA
KQITSYGETCPGLEQYAIKKFAEAFEAIPRALAENSGVKANEVISKLYAVHQEGNKNVGL
DIEAEVPAVKDMLEAGILDTYLGKYWAIKLATNAAVTVLRVDQIIMAKPAGGPKPPSGKK
DWDDDQND
Sequence of entity 3 (H, O), FASTA
>7X0S_3 T-complex protein 1 subunit eta (chains H, O)
MMPTPVILLKEGTDSSQGIPQLVSNISACQVIAEAVRTTLGPRGMDKLIVDGRGKATISN
DGATILKLLDVVHPAAKTLVDIAKSQDAEVGDGTTSVTLLAAEFLKQVKPYVEEGLHPQI
IIRAFRTATQLAVNKIKEIAVTVKKADKVEQRKLLEKCAMTALSSKLISQQKAFFAKMVV
DAVMMLDDLLQLKMIGIKKVQGGALEDSQLVAGVAFKKTFSYAGFEMQPKKYHNPKIALL
NVELELKAEKDNAEIRVHTVEDYQAIVDAEWNILYDKLEKIHHSGAKVVSSKLPIGDVAT
QYFADRDMFCAGRVPEEDLKRTMMACGGSIQTSVNALSADVLGRCQVFEETQIGGERYNF
FTGCPKAKTCTFILRGGAEQFMEETERSLHDAIMIVRRAIKNDSVVAGGGAIEMELSKYL
RDYSRTIPGKQQLLIGAYAKALEIIPRQLCDNAGFDATNILNKLRARHAQGGTWYGVDIN
NEDIADNFEAFVWEPAMVRINALTAASEAACLIVSVDETIKNPRSTVDAPTAAGRGRGRG
RPH
Sequence of entity 4 (G, N), FASTA
>7X0S_4 T-complex protein 1 subunit gamma (chains G, N)
MMGHRPVLVLSQNTKRESGRKVQSGNINAAKTIADIIRTCLGPKSMMKMLLDPMGGIVMT
NDGNAILREIQVQHPAAKSMIEISRTQDEEVGDGTTSVIILAGEMLSVAEHFLEQQMHPT
VVISAYRKALDDMISTLKKISIPVDISDSDMMLNIINSSITTKAISRWSSLACNIALDAV
KMVQFEENGRKEIDIKKYARVEKIPGGIIEDSCVLRGVMINKDVTHPRMRRYIKNPRIVL
LDSSLEYKKGESQTDIEITREEDFTRILQMEEEYIQQLCEDIIQLKPDVVITEKGISDLA
QHYLMRANITAIRRVRKTDNNRIARACGARIVSRPEELREDDVGTGAGLLEIKKIGDEYF
TFITDCKDPKACTILLRGASKEILSEVERNLQDAMQVCRNVLLDPQLVPGGGASEMAVAH
ALTEKSKAMTGVEQWPYRAVAQALEVIPRTLIQNCGASTIRLLTSLRAKHTQENCETWGV
NGETGTLVDMKELGIWEPLAVKLQTYKTAVETAVLLLRIDDIVSGHKKKGDDQSRQGGAP
DAGQE
Sequence of entity 5 (E, e), FASTA
>7X0S_5 T-complex protein 1 subunit epsilon (chains E, e)
SMGTLAFDEYGRPFLIIKDQDRKSRLMGLEALKSHIMAAKAVANTMRTSLGPNGLDKMMV
DKDGDVTVTNDGATILSMMDVDHQIAKLMVELSKSQDDEIGDGTTGVVVLAGALLEEAEQ
LLDRGIHPIRIADGYEQAARVAIEHLDKISDSVLVDIKDTEPLIQTAKTTLGSKVVNSCH
RQMAEIAVNAVLTVADMERRDVDFELIKVEGKVGGRLEDTKLIKGVIVDKDFSHPQMPKK
VEDAKIAILTCPFEPPKPKTKHKLDVTSVEDYKALQKYEKEKFEEMIQQIKETGANLAIC
QWGFDDEANHLLLQNNLPAVRWVGGPEIELIAIATGGRIVPRFSELTAEKLGFAGLVQEI
SFGTTKDKMLVIEQCKNSRAVTIFIRGGNKMIIEEAKRSLHDALCVIRNLIRDNRVVYGG
GAAEISCALAVSQEADKCPTLEQYAMRAFADALEVIPMALSENSGMNPIQTMTEVRARQV
KEMNPALGIDCLHKGTNDMKQQHVIETLIGKKQQISLATQMVRMILKIDDIRKPGESEE
Sequence of entity 6 (I, M), FASTA
>7X0S_6 T-complex protein 1 subunit delta (chains I, M)
MPENVAPRSGATAGAAGGRGKGAYQDRDKPAQIRFSNISAAKAVADAIRTSLGPKGMDKM
IQDGKGDVTITNDGATILKQMQVLHPAARMLVELSKAQDIEAGDGTTSVVIIAGSLLDSC
TKLLQKGIHPTIISESFQKALEKGIEILTDMSRPVELSDRETLLNSATTSLNSKVVSQYS
SLLSPMSVNAVMKVIDPATATSVDLRDIKIVKKLGGTIDDCELVEGLVLTQKVSNSGITR
VEKAKIGLIQFCLSAPKTDMDNQIVVSDYAQMDRVLREERAYILNLVKQIKKTGCNVLLI
QKSILRDALSDLALHFLNKMKIMVIKDIEREDIEFICKTIGTKPVAHIDQFTADMLGSAE
LAEEVNLNGSGKLLKITGCASPGKTVTIVVRGSNKLVIEEAERSIHDALCVIRCLVKKRA
LIAGGGAPEIELALRLTEYSRTLSGMESYCVRAFADAMEVIPSTLAENAGLNPISTVTEL
RNRHAQGEKTAGINVRKGGISNILEELVVQPLLVSVSALTLATETVRSILKIDDVVNTR
Sequence of entity 7 (B, L), FASTA
>7X0S_7 T-complex protein 1 subunit beta (chains B, L)
MASLSLAPVNIFKAGADEERAETARLTSFIGAIAIGDLVKSTLGPKGMDKILLSSGRDAS
LMVTNDGATILKNIGVDNPAAKVLVDMSRVQDDEVGDGTTSVTVLAAELLREAESLIAKK
IHPQTIIAGWREATKAAREALLSSAVDHGSDEVKFRQDLMNIAGTTLSSKLLTHHKDHFT
KLAVEAVLRLKGSGNLEAIHIIKKLGGSLADSYLDEGFLLDKKIGVNQPKRIENAKILIA
NTGMDTDKIKIFGSRVRVDSTAKVAEIEHAEKEKMKEKVERILKHGINCFINRQLIYNYP
EQLFGAAGVMAIEHADFAGVERLALVTGGEIASTFDHPELVKLGSCKLIEEVMIGEDKLI
HFSGVALGEACTIVLRGATQQILDEAERSLHDALCVLAQTVKDSRTVYGGGCSEMLMAHA
VTQLANRTPGKEAVAMESYAKALRMLPTIIADNAGYDSADLVAQLRAAHSEGNTTAGLDM
REGTIGDMAILGITESFQVKRQVLLSAAEAAEVILRVDNIIKAAPRKRVPDHHPC
Sequence of entity 8 (A, a), FASTA
>7X0S_8 T-complex protein 1 subunit alpha (chains A, a)
MEGPLSVFGDRSTGETIRSQNVMAAASIANIVKSSLGPVGLDKMLVDDIGDVTITNDGAT
ILKLLEVEHPAAKVLCELADLQDKEVGDGTTSVVIIAAELLKNADELVKQKIHPTSVISG
YRLACKEAVRYINENLIVNTDELGRDCLINAAKTSMSSKIIGINGDFFANMVVDAVLAIK
YTDIRGQPRYPVNSVNILKAHGRSQMESMLISGYALNCVVGSQGMPKRIVNAKIACLDFS
LQKTKMKLGVQVVITDPEKLDQIRQRESDITKERIQKILATGANVILTTGGIDDMCLKYF
VEAGAMAVRRVLKRDLKRIAKASGATILSTLANLEGEETFEAAMLGQAEEVVQERICDDE
LILIKNTKARTSASIILRGANDFMCDEMERSLHDALCVVKRVLESKSVVPGGGAVEAALS
IYLENYATSMGSREQLAIAEFARSLLVIPNTLAVNAAQDSTDLVAKLRAFHNEAQVNPER
KNLKWIGLDLSNGKPRDNKQAGVFEPTIVKVKSLKFATEAAITILRIDDLIKLHPESKDD
KHGSYEDAVHSGALND
Sequence of entity 9 (R), FASTA
>7X0S_9 Tubulin beta chain (chains R)
MREIVHIQAGQCGNQIGAKFWEVISDEHGIDPTGTYHGDSDLQLDRISVYYNEATGGKYV
PRAILVDLEPGTMDSVRSGPFGQIFRPDNFVFGQSGAGNNWAKGHYTEGAELVDSVLDVV
RKEAESCDCLQGFQLTHSLGGGTGSGMGTLLISKIREEYPDRIMNTFSVVPSPKVSDTVV
EPYNATLSVHQLVENTDETYCIDNEALYDICFRTLKLTTPTYGDLNHLVSATMSGVTTCL
RFPGQLNADLRKLAVNMVPFPRLHFFMPGFAPLTSRGSQQYRALTVPELTQQVFDAKNMM
AACDPRHGRYLTVAAVFRGRMSMKEVDEQMLNVQNKNSSYFVEWIPNNVKTAVCDIPPRG
LKMAVTFIGNSTAIQELFKRISEQFTAMFRRKAFLHWYTGEGMDEMEFTEAESNMNDLVS
EYQQYQDATAEEEEDFGEEAEEEA

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg16
AF3Aluminum fluorideAl F316
ADPAdenosine-5'-diphosphateC10 H15 N5 O10 P216

Primary citation

Pathway and mechanism of tubulin folding mediated by TRiC/CCT along its ATPase cycle revealed using cryo-EM. Liu, C., Jin, M., Wang, S. et al. Commun Biol (2023) 6:531-531. DOI 10.1038/s42003-023-04915-x · PubMed

Other PDB entries of the same protein (UniProt P40227 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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