7TUB: The beta-tubulin folding intermediate IV

The beta-tubulin folding intermediate IV. Determined by electron microscopy at 3.6 Å resolution. Released 28 Dec 2022.

Method
Electron microscopy
Resolution
3.6 Å
Organism
Homo sapiens
Chains
9
Atoms
35,877
Mol. weight
528.65 kDa
Ligands
AF3, ADP, MG
Released
28 Dec 2022

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

Secondary structure: helices and β-sheets

7TUB contains 213 α-helices and 219 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: 25 helices, 15 β-strands

ElementResiduesLengthSheet
β-strand4-961
α-helix10-2516
β-strand3012
β-strand3612
α-helix47-493
β-strand51-5443
β-strand58-6143
β-strand63-6751
α-helix70-789
α-helix87-893
β-strand90-9231
α-helix101-1022
α-helix103-1075
α-helix110-12415
β-strand132-13871
α-helix1421
α-helix143-1475
α-helix148-15811
β-strand163-17081
α-helix1711
α-helix173-1753
α-helix182-19312
β-strand198-20361
α-helix204-2096
α-helix210-2156
α-helix222-24120
α-helix250-2578
β-strand265-26621
β-strand267-26934
α-helix276-2816
α-helix286-2916
β-strand310-31894
α-helix323-33614
α-helix338-3403
β-strand350-35454
α-helix357-3582
β-strand364-37184
α-helix375-38915
α-helix396-3994
α-helix406-42419
Chain B: 30 helices, 25 β-strands
ElementResiduesLengthSheet
α-helix11-144
β-strand1515
α-helix161
β-strand20-2236
α-helix241
α-helix25-295
α-helix30-4314
α-helix44-463
α-helix51-522
β-strand53-5757
β-strand63-6647
α-helix69-757
β-strand7818
α-helix81-9616
α-helix101-12121
α-helix125-14218
α-helix143-1464
β-strand149-15029
α-helix157-16913
α-helix176-18813
α-helix191-1922
β-strand202-208710
α-helix212-2143
β-strand216-218310
β-strand220-223411
β-strand234111
β-strand237-242612
β-strand246113
β-strand255-259514
α-helix262-28524
β-strand290-293412
β-strand297113
α-helix299-3079
β-strand311-314412
α-helix320-3289
α-helix338-3403
α-helix341-3433
β-strand345-347312
β-strand349-354611
β-strand359-364611
β-strand373-379710
α-helix382-40423
β-strand407-41049
α-helix414-42714
α-helix435-4439
α-helix444-4463
α-helix447-4559
α-helix460-47213
β-strand478-480315
β-strand489-491315
α-helix492-4954
β-strand498-50039
α-helix501-51919
β-strand521-52666
α-helix527-5293
Chain C: 22 helices, 26 β-strands
ElementResiduesLengthSheet
β-strand918
α-helix101
β-strand14-1747
α-helix19-3517
α-helix37-393
β-strand46-50516
β-strand56-59416
α-helix62-687
β-strand71117
α-helix76-8914
α-helix96-11318
α-helix118-13922
β-strand141-142218
α-helix148-16114
α-helix169-1713
α-helix172-18413
α-helix192-1943
β-strand195-200619
α-helix205-2073
β-strand209-211319
β-strand213-217520
α-helix225-2273
β-strand231-232220
β-strand236-240521
β-strand244122
β-strand253-257514
α-helix260-28324
β-strand288-291421
β-strand295122
α-helix297-3059
β-strand309-312421
α-helix316-32611
β-strand331121
β-strand343-344221
β-strand347-353720
β-strand356-362720
β-strand370-375619
α-helix379-40123
β-strand404-407418
α-helix411-42414
α-helix431-44111
α-helix445-4539
α-helix457-47014
β-strand485-488423
β-strand493-496423
β-strand503-505318
α-helix506-52419
β-strand526-53167
Chain D: 20 helices, 30 β-strands
ElementResiduesLengthSheet
β-strand19117
β-strand25-29516
α-helix31-4717
β-strand58-62524
β-strand68-71424
α-helix74-807
α-helix86-10116
α-helix106-12520
α-helix130-14819
β-strand153-154225
α-helix163-17311
α-helix177-1815
α-helix182-19413
β-strand198126
β-strand203126
α-helix206-2083
β-strand209-213527
β-strand216128
α-helix219-2213
β-strand223-225327
β-strand228-230329
β-strand234130
β-strand242-243229
β-strand246-251630
β-strand255131
β-strand264-268514
α-helix271-29424
β-strand299-301330
β-strand306131
α-helix308-3169
β-strand321-322230
α-helix327-33711
β-strand341-342230
β-strand354-356330
β-strand358-363629
β-strand370-375629
β-strand383-387527
β-strand389128
α-helix392-41423
β-strand417-419325
α-helix424-43714
α-helix445-45511
α-helix457-46610
α-helix470-48314
β-strand489132
β-strand500132
α-helix501-5044
β-strand508-509225
α-helix510-52718
β-strand530-536716
Chain E: 24 helices, 23 β-strands
ElementResiduesLengthSheet
β-strand17-19324
α-helix21-3919
α-helix40-423
β-strand49-54633
β-strand61-64433
α-helix67-737
α-helix79-9416
α-helix99-11719
α-helix123-14220
β-strand146-147234
α-helix152-16615
α-helix171-1755
α-helix176-18813
α-helix196-1983
β-strand199-203535
β-strand206136
α-helix209-2113
β-strand213-214235
β-strand218-220337
β-strand224137
α-helix2251
β-strand232-240937
β-strand254-258514
α-helix262-28322
β-strand289-292437
α-helix298-30710
β-strand310-312337
α-helix317-32711
β-strand331-332237
α-helix341-3433
β-strand344-3541137
β-strand357-363737
β-strand371-375535
β-strand377136
α-helix380-40223
β-strand405-408434
α-helix412-42514
α-helix432-44312
α-helix445-45410
α-helix458-47013
β-strand476-479438
β-strand484-487438
α-helix488-4914
β-strand494-496334
α-helix497-51519
β-strand517-522624
α-helix523-5275
Chain F: 24 helices, 22 β-strands
ElementResiduesLengthSheet
α-helix29-4719
β-strand58-62539
β-strand68-71439
α-helix74-807
α-helix86-883
α-helix91-10111
α-helix108-11811
α-helix120-1267
α-helix130-15122
β-strand153-154240
α-helix160-16910
α-helix175-1773
α-helix180-19213
α-helix205-2073
β-strand208-212541
β-strand215142
α-helix218-2203
β-strand222-224341
β-strand226-229443
β-strand240-248943
β-strand253144
β-strand262-266514
α-helix269-29224
β-strand297-301543
β-strand309144
α-helix311-3199
β-strand323-328643
α-helix333-3408
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-helix447-45711
α-helix460-4689
α-helix473-48412
β-strand491-494445
β-strand499-502445
α-helix504-5063
β-strand509-511340
α-helix512-52918
β-strand532-538733
Chain G: 24 helices, 27 β-strands
ElementResiduesLengthSheet
β-strand9-13539
α-helix15-3218
α-helix33-353
β-strand42-46546
β-strand54-55246
α-helix58-647
α-helix70-8516
α-helix90-10920
α-helix114-13118
β-strand137-138247
α-helix144-15613
α-helix165-17713
β-strand181-182248
β-strand188-189248
β-strand196-199449
α-helix205-2073
β-strand210-212349
β-strand213-216450
β-strand228-229250
β-strand232-237650
β-strand241151
β-strand250-254514
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
α-helix342-3443
β-strand346-3561150
β-strand359-367950
β-strand373-377549
α-helix382-40423
β-strand407-410447
α-helix414-42613
α-helix427-4293
α-helix434-44512
α-helix447-4559
α-helix460-47516
α-helix478-4847
β-strand489153
β-strand494153
α-helix498-5014
β-strand504-506347
α-helix507-52519
β-strand527-533739
α-helix534-5352
Chain H: 23 helices, 26 β-strands
ElementResiduesLengthSheet
β-strand15-18446
α-helix20-3718
α-helix45-462
β-strand47-51554
β-strand57-60454
α-helix63-675
α-helix75-9117
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-strand254-258514
α-helix261-28323
β-strand289-291359
β-strand296160
α-helix298-3069
β-strand310-312359
α-helix317-32711
β-strand331-332259
α-helix335-3373
β-strand344159
β-strand349-354658
β-strand359-364658
β-strand372-378757
α-helix381-40323
β-strand406-409455
α-helix413-42614
α-helix434-4429
α-helix443-4453
α-helix446-45510
α-helix461-47010
β-strand478-480361
β-strand487-489361
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
>7TUB_1 Tubulin beta chain (chains A)
MREIVHIQAGQCGNQIGAKFWEVISDEHGIDPTGTYHGDSDLQLDRISVYYNEATGGKYV
PRAILVDLEPGTMDSVRSGPFGQIFRPDNFVFGQSGAGNNWAKGHYTEGAELVDSVLDVV
RKEAESCDCLQGFQLTHSLGGGTGSGMGTLLISKIREEYPDRIMNTFSVVPSPKVSDTVV
EPYNATLSVHQLVENTDETYCIDNEALYDICFRTLKLTTPTYGDLNHLVSATMSGVTTCL
RFPGQLNADLRKLAVNMVPFPRLHFFMPGFAPLTSRGSQQYRALTVPELTQQVFDAKNMM
AACDPRHGRYLTVAAVFRGRMSMKEVDEQMLNVQNKNSSYFVEWIPNNVKTAVCDIPPRG
LKMAVTFIGNSTAIQELFKRISEQFTAMFRRKAFLHWYTGEGMDEMEFTEAESNMNDLVS
EYQQYQDATAEEEEDFGEEAEEEA
Sequence of entity 2 (B), FASTA
>7TUB_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
>7TUB_3 T-complex protein 1 subunit eta (chains C)
MMPTPVILLKEGTDSSQGIPQLVSNISACQVIAEAVRTTLGPRGMDKLIVDGRGKATISN
DGATILKLLDVVHPAAKTLVDIAKSQDAEVGDGTTSVTLLAAEFLKQVKPYVEEGLHPQI
IIRAFRTATQLAVNKIKEIAVTVKKADKVEQRKLLEKCAMTALSSKLISQQKAFFAKMVV
DAVMMLDDLLQLKMIGIKKVQGGALEDSQLVAGVAFKKTFSYAGFEMQPKKYHNPKIALL
NVELELKAEKDNAEIRVHTVEDYQAIVDAEWNILYDKLEKIHHSGAKVVLSKLPIGDVAT
QYFADRDMFCAGRVPEEDLKRTMMACGGSIQTSVNALSADVLGRCQVFEETQIGGERYNF
FTGCPKAKTCTFILRGGAEQFMEETERSLHDAIMIVRRAIKNDSVVAGGGAIEMELSKYL
RDYSRTIPGKQQLLIGAYAKALEIIPRQLCDNAGFDATNILNKLRARHAQGGSHHHHHHG
SGTWYGVDINNEDIADNFEAFVWEPAMVRINALTAASEAACLIVSVDETIKNPRSTVDAP
TAAGRGRGRGRPH
Sequence of entity 4 (D), FASTA
>7TUB_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
>7TUB_5 T-complex protein 1 subunit beta (chains E)
MASLSLAPVNIFKAGADEERAETARLTSFIGAIAIGDLVKSTLGPKGMDKILLSSGRDAS
LMVTNDGATILKNIGVDNPAAKVLVDMSRVQDDEVGDGTTSVTVLAAELLREAESLIAKK
IHPQTIIAGWREATKAAREALLSSAVDHGSDEVKFRQDLMNIAGTTLSSKLLTHHKDHFT
KLAVEAVLRLKGSGNLEAIHIIKKLGGSLADSYLDEGFLLDKKIGVNQPKRIENAKILIA
NTGMDTDKIKIFGSRVRVDSTAKVAEIEHAEKEKMKEKVERILKHGINCFINRQLIYNYP
EQLFGAAGVMAIEHADFAGVERLALVTGGEIASTFDHPELVKLGSCKLIEEVMIGEDKLI
HFSGVALGEACTIVLRGATQQILDEAERSLHDALCVLAQTVKDSRTVYGGGCSEMLMAHA
VTQLANRTPGKEAVAMESYAKALRMLPTIIADNAGYDSADLVAQLRAAHSEGNTTAGLDM
REGTIGDMAILGITESFQVKRQVLLSAAEAAEVILRVDNIIKAAPRKRVPDHHPC
Sequence of entity 6 (F), FASTA
>7TUB_6 T-complex protein 1 subunit delta (chains F)
MPENVAPRSGATAGAAGGRGKGAYQDRDKPAQIRFSNISAAKAVADAIRTSLGPKGMDKM
IQDGKGDVTITNDGATILKQMQVLHPAARMLVELSKAQDIEAGDGTTSVVIIAGSLLDSC
TKLLQKGIHPTIISESFQKALEKGIEILTDMSRPVELSDRETLLNSATTSLNSKVVSQYS
SLLSPMSVNAVMKVIDPATATSVDLRDIKIVKKLGGTIDDCELVEGLVLTQKVSNSGITR
VEKAKIGLIQFCLSAPKTDMDNQIVVSDYAQMDRVLREERAYILNLVKQIKKTGCNVLLI
QKSILRDALSDLALHFLNKMKIMVIKDIEREDIEFICKTIGTKPVAHIDQFTADMLGSAE
LAEEVNLNGSGKLLKITGCASPGKTVTIVVRGSNKLVIEEAERSIHDALCVIRCLVKKRA
LIAGGGAPEIELALRLTEYSRTLSGMESYCVRAFADAMEVIPSTLAENAGLNPISTVTEL
RNRHAQGEKTAGINVRKGGISNILEELVVQPLLVSVSALTLATETVRSILKIDDVVNTR
Sequence of entity 7 (G), FASTA
>7TUB_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
>7TUB_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
>7TUB_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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