7TTT: The beta-tubulin folding intermediate III

The beta-tubulin folding intermediate III. Determined by electron microscopy at 2.9 Å resolution. Released 28 Dec 2022.

Method
Electron microscopy
Resolution
2.9 Å
Organism
Homo sapiens
Chains
9
Atoms
35,180
Mol. weight
528.65 kDa
Ligands
AF3, ADP, MG
Released
28 Dec 2022

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

Secondary structure: helices and β-sheets

7TTT contains 207 α-helices and 218 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: 19 helices, 14 β-strands

ElementResiduesLengthSheet
β-strand3-971
α-helix10-2819
β-strand3012
β-strand3612
α-helix41-444
β-strand51-5333
α-helix541
β-strand59-6133
β-strand63-6641
α-helix71-788
α-helix87-893
β-strand90-9121
α-helix101-1022
α-helix103-1075
α-helix113-12513
β-strand130-13891
α-helix143-1475
α-helix148-15811
β-strand163-17081
α-helix181-19313
β-strand198-20031
β-strand202-20321
α-helix204-2118
α-helix222-24120
α-helix250-2578
β-strand265-26621
β-strand267-26934
β-strand367-36934
α-helix374-38916
α-helix396-3994
α-helix405-42319
α-helix429-4313
α-helix433-4364
Chain B: 30 helices, 25 β-strands
ElementResiduesLengthSheet
α-helix11-144
β-strand1515
α-helix161
β-strand20-2236
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
α-helix157-1637
α-helix165-1695
α-helix176-19015
α-helix191-1922
α-helix196-1983
β-strand202-20879
α-helix212-2143
β-strand216-21839
β-strand220-223410
β-strand233-234210
β-strand237-242611
β-strand246112
β-strand255-259513
α-helix262-28423
β-strand290-293411
β-strand297112
α-helix299-3079
β-strand311-314411
α-helix320-3289
β-strand333111
α-helix341-3433
β-strand345-347311
β-strand349-355710
β-strand358-364710
β-strand373-37979
α-helix382-40423
β-strand408-410314
α-helix414-42714
α-helix434-44310
α-helix444-4463
α-helix447-45610
α-helix460-47314
β-strand478-480315
β-strand489-491315
α-helix492-4954
β-strand498-500314
α-helix501-52020
β-strand521-52666
α-helix527-5293
Chain C: 25 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-helix77-8913
α-helix96-11318
α-helix118-13922
β-strand141118
α-helix153-16210
α-helix169-1713
α-helix172-18312
α-helix192-1943
β-strand195-201719
α-helix205-2073
β-strand209-211319
β-strand213-217520
α-helix218-2203
α-helix225-2273
β-strand231-232220
β-strand236-240521
β-strand244122
β-strand253-257513
α-helix260-28223
β-strand288-291421
β-strand295122
α-helix297-3059
β-strand309-311321
α-helix316-32611
β-strand331121
α-helix339-3413
β-strand343-344221
β-strand347-353720
β-strand356-362720
β-strand370-376719
α-helix379-40123
β-strand405-407318
α-helix411-42414
α-helix430-44011
α-helix441-4433
α-helix444-45310
α-helix457-46913
β-strand485-488423
β-strand493-496423
β-strand503-505318
α-helix506-52419
β-strand526-53167
Chain D: 21 helices, 29 β-strands
ElementResiduesLengthSheet
β-strand19117
β-strand26-29416
α-helix31-4818
α-helix49-513
β-strand58-62524
β-strand68-71424
α-helix74-807
β-strand83125
α-helix86-10116
α-helix108-12518
α-helix130-14819
β-strand153-154226
α-helix163-17311
α-helix177-1815
α-helix182-19615
β-strand198127
β-strand203127
α-helix206-2083
β-strand209-213528
β-strand216129
α-helix219-2213
β-strand223-225328
β-strand228-230330
β-strand234131
β-strand242-243230
β-strand246-251631
β-strand264-268513
α-helix271-29424
β-strand299-302431
α-helix308-3169
β-strand321-322231
α-helix327-33711
β-strand341-342231
α-helix350-3523
β-strand354-356331
β-strand358-362530
β-strand371-375530
β-strand383-387528
β-strand389129
α-helix392-41423
β-strand417-420426
α-helix424-43714
α-helix445-45410
α-helix457-46610
α-helix470-48314
β-strand489132
β-strand500132
β-strand507-509326
α-helix510-52819
β-strand530-535616
Chain E: 24 helices, 24 β-strands
ElementResiduesLengthSheet
β-strand12125
β-strand17-19324
α-helix21-3919
α-helix40-423
β-strand49-54633
β-strand61-64433
α-helix67-737
α-helix79-9416
α-helix99-11820
α-helix123-14321
β-strand146-147234
α-helix152-16615
α-helix171-1755
α-helix176-18813
α-helix196-1983
β-strand199-206835
α-helix209-2113
β-strand213-214235
β-strand218-220336
β-strand224136
α-helix2251
β-strand232-240936
β-strand244137
β-strand254-258513
α-helix261-28323
β-strand289-292436
β-strand296137
α-helix298-3069
β-strand310-312336
α-helix317-32711
β-strand331-332236
α-helix338-3403
β-strand344-3541136
β-strand357-363736
β-strand371-377735
α-helix380-40223
β-strand405-408434
α-helix412-42514
α-helix431-44313
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-helix523-5253
Chain F: 23 helices, 21 β-strands
ElementResiduesLengthSheet
α-helix29-4820
α-helix49-513
β-strand58-62539
β-strand68-71439
α-helix74-807
α-helix88-10114
α-helix106-12621
α-helix130-15122
β-strand153-154240
α-helix160-17112
α-helix180-19213
α-helix205-2073
β-strand208-215841
α-helix218-2203
β-strand222-224341
β-strand226-229442
α-helix232-2332
β-strand240-2491042
β-strand253143
β-strand262-266513
α-helix269-29224
β-strand297-301542
β-strand309143
α-helix311-3199
β-strand323-328642
α-helix333-3408
β-strand345142
α-helix348-3503
α-helix353-3553
β-strand357-3671142
β-strand371-379942
β-strand386-392741
α-helix395-41723
β-strand420-423440
α-helix427-44216
α-helix446-45611
α-helix460-4689
α-helix473-48412
β-strand491-494444
β-strand499-502444
α-helix504-5063
β-strand509-511340
α-helix512-52918
β-strand532-538733
Chain G: 23 helices, 27 β-strands
ElementResiduesLengthSheet
β-strand9-13539
α-helix15-3218
β-strand42-46545
β-strand52-55445
α-helix58-647
α-helix70-8516
α-helix92-10918
α-helix114-13219
β-strand137146
α-helix144-15613
α-helix165-17713
β-strand181147
β-strand189147
β-strand196-199448
α-helix205-2073
β-strand209-211348
β-strand213-216449
β-strand228-229249
β-strand232-237649
β-strand241150
β-strand250-254513
α-helix257-2593
α-helix260-27920
β-strand285-288449
β-strand292150
α-helix294-30310
β-strand306-308349
α-helix313-32311
β-strand328149
β-strand332151
β-strand338151
α-helix342-3443
β-strand346-3561149
β-strand359-367949
β-strand374-377448
α-helix382-40423
β-strand408-410346
α-helix414-42613
α-helix427-4293
α-helix434-44411
α-helix447-4559
α-helix460-47516
α-helix478-4836
β-strand489152
β-strand494152
α-helix498-5014
β-strand504-506346
α-helix507-52519
β-strand527-533739
α-helix534-5352
Chain H: 22 helices, 26 β-strands
ElementResiduesLengthSheet
β-strand15-18445
α-helix20-3718
β-strand47-51553
β-strand57-60453
α-helix63-675
α-helix75-9016
α-helix97-10711
α-helix110-1134
α-helix119-13921
β-strand142-143254
α-helix149-16012
α-helix164-1685
α-helix169-18315
β-strand185-186255
β-strand192-193255
β-strand199-206856
α-helix209-2113
β-strand213-215356
β-strand218-220357
β-strand232-233257
β-strand238-241458
β-strand245159
β-strand254-258513
α-helix261-28323
β-strand289-292458
β-strand296159
α-helix298-3069
β-strand310-312358
α-helix317-32711
β-strand331-332258
α-helix335-3373
β-strand344158
β-strand349-354657
β-strand359-364657
β-strand372-378756
α-helix381-40323
β-strand406-409454
α-helix413-42614
α-helix434-4429
α-helix443-4453
α-helix446-45510
α-helix459-47012
β-strand478-481460
β-strand486-489460
α-helix490-4934
β-strand496-498354
α-helix499-51618
β-strand519-524645

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
>7TTT_1 Tubulin beta chain (chains A)
MREIVHIQAGQCGNQIGAKFWEVISDEHGIDPTGTYHGDSDLQLDRISVYYNEATGGKYV
PRAILVDLEPGTMDSVRSGPFGQIFRPDNFVFGQSGAGNNWAKGHYTEGAELVDSVLDVV
RKEAESCDCLQGFQLTHSLGGGTGSGMGTLLISKIREEYPDRIMNTFSVVPSPKVSDTVV
EPYNATLSVHQLVENTDETYCIDNEALYDICFRTLKLTTPTYGDLNHLVSATMSGVTTCL
RFPGQLNADLRKLAVNMVPFPRLHFFMPGFAPLTSRGSQQYRALTVPELTQQVFDAKNMM
AACDPRHGRYLTVAAVFRGRMSMKEVDEQMLNVQNKNSSYFVEWIPNNVKTAVCDIPPRG
LKMAVTFIGNSTAIQELFKRISEQFTAMFRRKAFLHWYTGEGMDEMEFTEAESNMNDLVS
EYQQYQDATAEEEEDFGEEAEEEA
Sequence of entity 2 (B), FASTA
>7TTT_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
>7TTT_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
>7TTT_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
>7TTT_5 T-complex protein 1 subunit beta (chains E)
MASLSLAPVNIFKAGADEERAETARLTSFIGAIAIGDLVKSTLGPKGMDKILLSSGRDAS
LMVTNDGATILKNIGVDNPAAKVLVDMSRVQDDEVGDGTTSVTVLAAELLREAESLIAKK
IHPQTIIAGWREATKAAREALLSSAVDHGSDEVKFRQDLMNIAGTTLSSKLLTHHKDHFT
KLAVEAVLRLKGSGNLEAIHIIKKLGGSLADSYLDEGFLLDKKIGVNQPKRIENAKILIA
NTGMDTDKIKIFGSRVRVDSTAKVAEIEHAEKEKMKEKVERILKHGINCFINRQLIYNYP
EQLFGAAGVMAIEHADFAGVERLALVTGGEIASTFDHPELVKLGSCKLIEEVMIGEDKLI
HFSGVALGEACTIVLRGATQQILDEAERSLHDALCVLAQTVKDSRTVYGGGCSEMLMAHA
VTQLANRTPGKEAVAMESYAKALRMLPTIIADNAGYDSADLVAQLRAAHSEGNTTAGLDM
REGTIGDMAILGITESFQVKRQVLLSAAEAAEVILRVDNIIKAAPRKRVPDHHPC
Sequence of entity 6 (F), FASTA
>7TTT_6 T-complex protein 1 subunit delta (chains F)
MPENVAPRSGATAGAAGGRGKGAYQDRDKPAQIRFSNISAAKAVADAIRTSLGPKGMDKM
IQDGKGDVTITNDGATILKQMQVLHPAARMLVELSKAQDIEAGDGTTSVVIIAGSLLDSC
TKLLQKGIHPTIISESFQKALEKGIEILTDMSRPVELSDRETLLNSATTSLNSKVVSQYS
SLLSPMSVNAVMKVIDPATATSVDLRDIKIVKKLGGTIDDCELVEGLVLTQKVSNSGITR
VEKAKIGLIQFCLSAPKTDMDNQIVVSDYAQMDRVLREERAYILNLVKQIKKTGCNVLLI
QKSILRDALSDLALHFLNKMKIMVIKDIEREDIEFICKTIGTKPVAHIDQFTADMLGSAE
LAEEVNLNGSGKLLKITGCASPGKTVTIVVRGSNKLVIEEAERSIHDALCVIRCLVKKRA
LIAGGGAPEIELALRLTEYSRTLSGMESYCVRAFADAMEVIPSTLAENAGLNPISTVTEL
RNRHAQGEKTAGINVRKGGISNILEELVVQPLLVSVSALTLATETVRSILKIDDVVNTR
Sequence of entity 7 (G), FASTA
>7TTT_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
>7TTT_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
>7TTT_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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