7TRG: The beta-tubulin folding intermediate I

The beta-tubulin folding intermediate I. Determined by electron microscopy at 3.0 Å resolution. Released 28 Dec 2022.

Method
Electron microscopy
Resolution
3.0 Å
Organism
Homo sapiens
Chains
9
Atoms
33,714
Mol. weight
528.67 kDa
Ligands
AF3, ADP, MG
Released
28 Dec 2022

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

Secondary structure: helices and β-sheets

7TRG contains 194 α-helices and 216 β-strands across 9 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: 7 helices, 9 β-strands

ElementResiduesLengthSheet
β-strand4-961
α-helix11-2717
β-strand3012
β-strand3612
α-helix41-433
α-helix47-493
β-strand51-5333
β-strand59-6133
β-strand63-6641
α-helix72-787
β-strand90-9121
α-helix110-12617
β-strand132-13761
α-helix142-1454
α-helix151-1588
β-strand163-16861
Chain B: 29 helices, 25 β-strands
ElementResiduesLengthSheet
α-helix11-144
β-strand1514
α-helix161
β-strand20-2235
α-helix25-295
α-helix30-4314
α-helix44-463
α-helix51-522
β-strand53-5756
β-strand63-6646
α-helix69-757
β-strand7817
α-helix81-9616
α-helix101-12121
α-helix125-14218
α-helix143-1464
α-helix157-16913
α-helix176-18914
α-helix199-2013
β-strand202-20878
α-helix212-2143
β-strand216-21838
β-strand220-22349
β-strand233-23429
β-strand237-242610
β-strand246111
β-strand255-259512
α-helix263-28523
β-strand290-293410
β-strand297111
α-helix299-3079
β-strand311-314410
α-helix320-3289
β-strand333110
α-helix338-3403
α-helix341-3433
β-strand345-347310
β-strand349-35469
β-strand359-36469
β-strand373-37978
α-helix382-40423
β-strand408-410313
α-helix414-42815
α-helix435-4439
α-helix444-4463
α-helix447-45610
α-helix460-47112
β-strand478-480314
β-strand489-491314
α-helix492-4954
β-strand498-500313
α-helix501-52020
β-strand521-52665
α-helix527-5293
Chain C: 22 helices, 28 β-strands
ElementResiduesLengthSheet
β-strand917
α-helix101
β-strand14-1746
α-helix19-3416
α-helix37-393
β-strand46-50515
β-strand56-59415
α-helix62-687
β-strand71116
α-helix77-8913
α-helix94-11320
α-helix118-13922
β-strand141117
α-helix150-16213
α-helix169-1713
α-helix172-18413
α-helix192-1943
β-strand195-199518
β-strand202119
α-helix205-2073
β-strand209-211318
β-strand213-217520
α-helix225-2273
β-strand231-232220
β-strand236-240521
β-strand244122
β-strand253-257512
α-helix260-28223
β-strand288-291421
β-strand295122
α-helix297-3048
β-strand309-311321
α-helix316-32611
β-strand331121
β-strand343-344221
β-strand347-353720
β-strand356-362720
β-strand370-374518
β-strand376119
α-helix379-40123
β-strand405-407317
α-helix411-42414
α-helix430-44112
α-helix444-45310
α-helix457-47014
β-strand486-489423
β-strand494-497423
β-strand504-506317
α-helix507-52519
β-strand527-53266
Chain D: 21 helices, 28 β-strands
ElementResiduesLengthSheet
β-strand19116
α-helix22-243
β-strand25-29515
α-helix30-4920
β-strand58-62524
β-strand68-71424
α-helix74-807
α-helix86-10116
α-helix108-12518
α-helix130-14819
β-strand153-154225
α-helix163-17311
α-helix177-1804
α-helix182-19615
β-strand198126
β-strand203126
β-strand209-216827
α-helix219-2213
β-strand223-225327
β-strand228-230328
β-strand234129
β-strand242-243228
β-strand246-251629
β-strand255130
β-strand264-268512
α-helix271-29424
β-strand299-302429
β-strand306130
α-helix308-3169
β-strand321-322229
α-helix327-33711
β-strand341-342229
α-helix350-3523
β-strand354-356329
β-strand358-363628
β-strand370-375628
β-strand383-389727
α-helix392-41423
β-strand417-420425
α-helix424-43714
α-helix445-45410
α-helix457-46610
α-helix470-48314
β-strand489131
β-strand500131
α-helix501-5044
β-strand507-509325
α-helix510-52920
β-strand530-536715
Chain E: 24 helices, 24 β-strands
ElementResiduesLengthSheet
β-strand17-19324
α-helix21-3919
α-helix40-423
β-strand49-54632
β-strand61-64432
α-helix67-737
α-helix79-9416
α-helix99-11820
α-helix123-14321
β-strand146-147233
α-helix152-16615
α-helix167-1693
α-helix171-1755
α-helix176-18813
α-helix196-1983
β-strand199-205734
α-helix209-2113
β-strand213-214234
β-strand218-220335
β-strand224136
β-strand232-235435
β-strand237-240436
β-strand244137
β-strand254-258512
α-helix261-28323
β-strand289-292436
β-strand296137
α-helix298-30710
β-strand310-312336
α-helix317-32711
β-strand331-332236
α-helix338-3403
β-strand346-354935
β-strand357-365935
β-strand371-377734
α-helix380-40223
β-strand405-408433
α-helix412-42514
α-helix432-44312
α-helix446-4549
α-helix458-47114
β-strand476-479438
β-strand484-487438
α-helix488-4914
β-strand494-496333
α-helix497-51519
β-strand517-522624
α-helix523-5286
Chain F: 23 helices, 24 β-strands
ElementResiduesLengthSheet
α-helix29-4820
β-strand58-62539
β-strand68-71439
α-helix74-807
α-helix86-894
α-helix91-10111
α-helix108-12619
α-helix130-15122
β-strand153-154240
α-helix160-17112
α-helix175-1795
α-helix180-19213
α-helix205-2073
β-strand208-212541
β-strand215142
α-helix218-2203
β-strand222-224341
β-strand226-229443
α-helix2321
β-strand233143
β-strand240-2491043
β-strand253144
β-strand262-266512
α-helix269-29224
β-strand297-301543
β-strand309144
α-helix311-3199
β-strand323-328643
α-helix333-3408
β-strand345143
α-helix348-3503
α-helix353-3553
β-strand357-3661043
β-strand372-379843
β-strand386-390541
β-strand392142
α-helix395-41723
β-strand420-423440
α-helix427-44216
α-helix446-45611
α-helix460-46910
α-helix473-48412
β-strand491-494445
β-strand499-502445
β-strand509-511340
α-helix512-52918
β-strand532-538732
Chain G: 24 helices, 27 β-strands
ElementResiduesLengthSheet
β-strand9-13539
α-helix15-3218
α-helix33-353
β-strand42-46546
β-strand52-55446
α-helix58-647
α-helix70-8516
α-helix92-10918
α-helix114-13219
β-strand137-138247
α-helix144-15613
α-helix165-17814
β-strand181148
β-strand189148
β-strand196-199449
α-helix205-2073
β-strand209-212449
β-strand213-216450
β-strand228-229250
β-strand232-237650
β-strand241151
α-helix243-2442
β-strand250-254512
α-helix257-2593
α-helix260-27920
β-strand285-288450
β-strand292151
α-helix294-30310
β-strand306-308350
α-helix313-32311
β-strand328150
β-strand332152
β-strand338152
β-strand346-3561150
β-strand359-367950
β-strand373-377549
α-helix382-40423
β-strand407-410447
α-helix414-42613
α-helix428-4303
α-helix434-44411
α-helix447-4559
α-helix460-47516
α-helix478-4858
β-strand489153
β-strand494153
α-helix498-5014
β-strand504-506347
α-helix507-52519
β-strand527-533739
α-helix534-5352
Chain H: 21 helices, 26 β-strands
ElementResiduesLengthSheet
β-strand15-18446
α-helix20-3718
β-strand47-51554
β-strand57-60454
α-helix63-675
α-helix75-9016
α-helix97-10711
α-helix110-1134
α-helix119-13921
β-strand142-143255
α-helix149-16012
α-helix164-1685
α-helix169-18315
β-strand185-186256
β-strand192-193256
β-strand199-206857
α-helix209-2113
β-strand213-215357
β-strand218-220358
β-strand232-233258
β-strand238-241459
β-strand245160
β-strand254-258512
α-helix262-28322
β-strand289-292459
β-strand296160
α-helix298-3069
β-strand310-312359
α-helix317-32711
β-strand332159
α-helix335-3373
β-strand344159
β-strand349-354658
β-strand359-364658
β-strand372-378757
α-helix381-40323
β-strand406-409455
α-helix413-42614
α-helix434-44310
α-helix446-45510
α-helix459-47012
β-strand478-481461
β-strand486-489461
α-helix490-4934
β-strand496-498355
α-helix499-51618
β-strand519-524646

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

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Tubulin beta chainAprotein444Homo sapiensP07437 (AlphaFold model)
T-complex protein 1 subunit thetaBprotein547Homo sapiensP50990 (AlphaFold model)
T-complex protein 1 subunit etaCprotein553Homo sapiensQ99832 (AlphaFold model)
T-complex protein 1 subunit epsilonDprotein541Homo sapiensP48643 (AlphaFold model)
T-complex protein 1 subunit betaEprotein535Homo sapiensP78371
T-complex protein 1 subunit deltaFprotein539Homo sapiensP50991
T-complex protein 1 subunit alphaGprotein556Homo sapiensP17987
T-complex protein 1 subunit gammaHprotein545Homo sapiensP49368
T-complex protein 1 subunit zetaIprotein531Homo sapiensP40227
Sequence of entity 1 (A), FASTA
>7TRG_1 Tubulin beta chain (chains A)
MREIVHIQAGQCGNQIGAKFWEVISDEHGIDPTGTYHGDSDLQLDRISVYYNEATGGKYV
PRAILVDLEPGTMDSVRSGPFGQIFRPDNFVFGQSGAGNNWAKGHYTEGAELVDSVLDVV
RKEAESCDCLQGFQLTHSLGGGTGSGMGTLLISKIREEYPDRIMNTFSVVPSPKVSDTVV
EPYNATLSVHQLVENTDETYCIDNEALYDICFRTLKLTTPTYGDLNHLVSATMSGVTTCL
RFPGQLNADLRKLAVNMVPFPRLHFFMPGFAPLTSRGSQQYRALTVPELTQQVFDAKNMM
AACDPRHGRYLTVAAVFRGRMSMKEVDEQMLNVQNKNSSYFVEWIPNNVKTAVCDIPPRG
LKMAVTFIGNSTAIQELFKRISEQFTAMFRRKAFLHWYTGEGMDEMEFTEAESNMNDLVS
EYQQYQDATAEEEEDFGEEAEEEA
Sequence of entity 2 (B), FASTA
>7TRG_2 T-complex protein 1 subunit theta (chains B)
MALHVPKAPGFAQMLKEGAKHFSGLEEAVYRNIQACKELAQTTRTAYGPNGMNKMVINHL
EKLFVTNDAATILRELEVQHPAAKMIVMASHMQEQEVGDGTNFVLVFAGALLELAEELLR
IGLSVSEVIEGYEIACRKAHEILPNLVCCSAKNLRDIDEVSSLLRTSIMSKQYGNEVFLA
KLIAQACVSIFPDSGHFNVDNIRVCKILGSGISSSSVLHGMVFKKETEGDVTSVKDAKIA
VYSCPFDGMITETKGTVLIKTAEELMNFSKGEENLMDAQVKAIADTGANVVVTGGKVADM
ALHYANKYNIMLVRLNSKWDLRRLCKTVGATALPRLTPPVLEEMGHCDSVYLSEVGDTQV
VVFKHEKEDGAISTIVLRGSTDNLMDDIERAVDDGVNTFKVLTRDKRLVPGGGATEIELA
KQITSYGETCPGLEQYAIKKFAEAFEAIPRALAENSGVKANEVISKLYAVHQEGNKNVGL
DIEAEVPAVKDMLEAGILDTYLGKYWAIKLATNAAVTVLRVDQIIMAKPAGGPKPPSGKK
DWDDDQN
Sequence of entity 3 (C), FASTA
>7TRG_3 T-complex protein 1 subunit eta (chains C)
MMPTPVILLKEGTDSSQGIPQLVSNISACQVIAEAVRTTLGPRGMDKLIVDGRGKATISN
DGATILKLLDVVHPAAKTLVDIAKSQDAEVGDGTTSVTLLAAEFLKQVKPYVEEGLHPQI
IIRAFRTATQLAVNKIKEIAVTVKKADKVEQRKLLEKCAMTALSSKLISQQKAFFAKMVV
DAVMMLDDLLQLKMIGIKKVQGGALEDSQLVAGVAFKKTFSYAGFEMQPKKYHNPKIALL
NVELELKAEKDNAEIRVHTVEDYQAIVDAEWNILYDKLEKIHHSGAKVVLSKLPIGDVAT
QYFADRDMFCAGRVPEEDLKRTMMACGGSIQTSVNALSADVLGRCQVFEETQIGGERYNF
FTGCPKAKTCTFILRGGAEQFMEETERSLHDAIMIVRRAIKNDSVVAGGGAIEMELSKYL
RDYSRTIPGKQQLLIGAYAKALEIIPRQLCDNAGFDATNILNKLRARHAQGGSHHHHHHG
SGTWYGVDINNEDIADNFEAFVWEPAMVRINALTAASEAACLIVSVDETIKNPRRSTVDA
PTAAGRGRGRGRP
Sequence of entity 4 (D), FASTA
>7TRG_4 T-complex protein 1 subunit epsilon (chains D)
MASMGTLAFDEYGRPFLIIKDQDRKSRLMGLEALKSHIMAAKAVANTMRTSLGPNGLDKM
MVDKDGDVTVTNDGATILSMMDVDHQIAKLMVELSKSQDDEIGDGTTGVVVLAGALLEEA
EQLLDRGIHPIRIADGYEQAARVAIEHLDKISDSVLVDIKDTEPLIQTAKTTLGSKVVNS
CHRQMAEIAVNAVLTVADMERRDVDFELIKVEGKVGGRLEDTKLIKGVIVDKDFSHPQMP
KKVEDAKIAILTCPFEPPKPKTKHKLDVTSVEDYKALQKYEKEKFEEMIQQIKETGANLA
ICQWGFDDEANHLLLQNNLPAVRWVGGPEIELIAIATGGRIVPRFSELTAEKLGFAGLVQ
EISFGTTKDKMLVIEQCKNSRAVTIFIRGGNKMIIEEAKRSLHDALCVIRNLIRDNRVVY
GGGAAEISCALAVSQEADKCPTLEQYAMRAFADALEVIPMALSENSGMNPIQTMTEVRAR
QVKEMNPALGIDCLHKGTNDMKQQHVIETLIGKKQQISLATQMVRMILKIDDIRKPGESE
E
Sequence of entity 5 (E), FASTA
>7TRG_5 T-complex protein 1 subunit beta (chains E)
MASLSLAPVNIFKAGADEERAETARLTSFIGAIAIGDLVKSTLGPKGMDKILLSSGRDAS
LMVTNDGATILKNIGVDNPAAKVLVDMSRVQDDEVGDGTTSVTVLAAELLREAESLIAKK
IHPQTIIAGWREATKAAREALLSSAVDHGSDEVKFRQDLMNIAGTTLSSKLLTHHKDHFT
KLAVEAVLRLKGSGNLEAIHIIKKLGGSLADSYLDEGFLLDKKIGVNQPKRIENAKILIA
NTGMDTDKIKIFGSRVRVDSTAKVAEIEHAEKEKMKEKVERILKHGINCFINRQLIYNYP
EQLFGAAGVMAIEHADFAGVERLALVTGGEIASTFDHPELVKLGSCKLIEEVMIGEDKLI
HFSGVALGEACTIVLRGATQQILDEAERSLHDALCVLAQTVKDSRTVYGGGCSEMLMAHA
VTQLANRTPGKEAVAMESYAKALRMLPTIIADNAGYDSADLVAQLRAAHSEGNTTAGLDM
REGTIGDMAILGITESFQVKRQVLLSAAEAAEVILRVDNIIKAAPRKRVPDHHPC
Sequence of entity 6 (F), FASTA
>7TRG_6 T-complex protein 1 subunit delta (chains F)
MPENVAPRSGATAGAAGGRGKGAYQDRDKPAQIRFSNISAAKAVADAIRTSLGPKGMDKM
IQDGKGDVTITNDGATILKQMQVLHPAARMLVELSKAQDIEAGDGTTSVVIIAGSLLDSC
TKLLQKGIHPTIISESFQKALEKGIEILTDMSRPVELSDRETLLNSATTSLNSKVVSQYS
SLLSPMSVNAVMKVIDPATATSVDLRDIKIVKKLGGTIDDCELVEGLVLTQKVSNSGITR
VEKAKIGLIQFCLSAPKTDMDNQIVVSDYAQMDRVLREERAYILNLVKQIKKTGCNVLLI
QKSILRDALSDLALHFLNKMKIMVIKDIEREDIEFICKTIGTKPVAHIDQFTADMLGSAE
LAEEVNLNGSGKLLKITGCASPGKTVTIVVRGSNKLVIEEAERSIHDALCVIRCLVKKRA
LIAGGGAPEIELALRLTEYSRTLSGMESYCVRAFADAMEVIPSTLAENAGLNPISTVTEL
RNRHAQGEKTAGINVRKGGISNILEELVVQPLLVSVSALTLATETVRSILKIDDVVNTR
Sequence of entity 7 (G), FASTA
>7TRG_7 T-complex protein 1 subunit alpha (chains G)
MEGPLSVFGDRSTGETIRSQNVMAAASIANIVKSSLGPVGLDKMLVDDIGDVTITNDGAT
ILKLLEVEHPAAKVLCELADLQDKEVGDGTTSVVIIAAELLKNADELVKQKIHPTSVISG
YRLACKEAVRYINENLIVNTDELGRDCLINAAKTSMSSKIIGINGDFFANMVVDAVLAIK
YTDIRGQPRYPVNSVNILKAHGRSQMESMLISGYALNCVVGSQGMPKRIVNAKIACLDFS
LQKTKMKLGVQVVITDPEKLDQIRQRESDITKERIQKILATGANVILTTGGIDDMCLKYF
VEAGAMAVRRVLKRDLKRIAKASGATILSTLANLEGEETFEAAMLGQAEEVVQERICDDE
LILIKNTKARTSASIILRGANDFMCDEMERSLHDALCVVKRVLESKSVVPGGGAVEAALS
IYLENYATSMGSREQLAIAEFARSLLVIPNTLAVNAAQDSTDLVAKLRAFHNEAQVNPER
KNLKWIGLDLSNGKPRDNKQAGVFEPTIVKVKSLKFATEAAITILRIDDLIKLHPESKDD
KHGSYEDAVHSGALND
Sequence of entity 8 (H), FASTA
>7TRG_8 T-complex protein 1 subunit gamma (chains H)
MMGHRPVLVLSQNTKRESGRKVQSGNINAAKTIADIIRTCLGPKSMMKMLLDPMGGIVMT
NDGNAILREIQVQHPAAKSMIEISRTQDEEVGDGTTSVIILAGEMLSVAEHFLEQQMHPT
VVISAYRKALDDMISTLKKISIPVDISDSDMMLNIINSSITTKAISRWSSLACNIALDAV
KMVQFEENGRKEIDIKKYARVEKIPGGIIEDSCVLRGVMINKDVTHPRMRRYIKNPRIVL
LDSSLEYKKGESQTDIEITREEDFTRILQMEEEYIQQLCEDIIQLKPDVVITEKGISDLA
QHYLMRANITAIRRVRKTDNNRIARACGARIVSRPEELREDDVGTGAGLLEIKKIGDEYF
TFITDCKDPKACTILLRGASKEILSEVERNLQDAMQVCRNVLLDPQLVPGGGASEMAVAH
ALTEKSKAMTGVEQWPYRAVAQALEVIPRTLIQNCGASTIRLLTSLRAKHTQENCETWGV
NGETGTLVDMKELGIWEPLAVKLQTYKTAVETAVLLLRIDDIVSGHKKKGDDQSRQGGAP
DAGQE
Sequence of entity 9 (I), FASTA
>7TRG_9 T-complex protein 1 subunit zeta (chains I)
MAAVKTLNPKAEVARAQAALAVNISAARGLQDVLRTNLGPKGTMKMLVSGAGDIKLTKDG
NVLLHEMQIQHPTASLIAKVATAQDDITGDGTTSNVLIIGELLKQADLYISEGLHPRIIT
EGFEAAKEKALQFLEEVKVSREMDRETLIDVARTSLRTKVHAELADVLTEAVVDSILAIK
KQDEPIDLFMIEIMEMKHKSETDTSLIRGLVLDHGARHPDMKKRVEDAYILTCNVSLEYE
KTEVNSGFFYKSAEEREKLVKAERKFIEDRVKKIIELKRKVCGDSDKGFVVINQKGIDPF
SLDALSKEGIVALRRAKRRNMERLTLACGGVALNSFDDLSPDCLGHAGLVYEYTLGEEKF
TFIEKCNNPRSVTLLIKGPNKHTLTQIKDAVRDGLRAVKNAIDDGCVVPGAGAVEVAMAE
ALIKHKPSVKGRAQLGVQAFADALLIIPKVLAQNSGFDLQETLVKIQAEHSESGQLVGVD
LNTGEPMVAAEVGVWDNYCVKKQLLHSCTVIATNILLVDEIMRAGMSFLKG

Ligands and cofactors

IDNameFormulaCopies
AF3Aluminum fluorideAl F38
ADPAdenosine-5'-diphosphateC10 H15 N5 O10 P28
MGMagnesium ionMg8

Primary citation

Structural visualization of the tubulin folding pathway directed by human chaperonin TRiC/CCT. Gestaut, D., Zhao, Y., Park, J. et al. Cell (2022) 185:4770-4787.e20. DOI 10.1016/j.cell.2022.11.014 · PubMed

Other PDB entries of the same protein (UniProt P07437 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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