7TTN: The beta-tubulin folding intermediate II

The beta-tubulin folding intermediate II. Determined by electron microscopy at 3.3 Å resolution. Released 28 Dec 2022.

Method
Electron microscopy
Resolution
3.3 Å
Organism
Homo sapiens
Chains
9
Atoms
34,563
Mol. weight
528.65 kDa
Ligands
AF3, MG, ADP
Released
28 Dec 2022

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

Secondary structure: helices and β-sheets

7TTN contains 204 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: 12 helices, 13 β-strands

ElementResiduesLengthSheet
β-strand3-971
α-helix10-2718
β-strand3012
β-strand3612
β-strand52-5323
β-strand59-6023
β-strand63-6751
α-helix70-723
α-helix74-785
α-helix87-893
β-strand90-9231
α-helix103-1075
α-helix109-1124
α-helix114-12613
β-strand130-13671
α-helix142-15817
β-strand163-16641
β-strand16914
α-helix181-19313
β-strand198-20031
β-strand20214
β-strand265-26621
α-helix375-39016
α-helix396-3994
α-helix405-42117
Chain B: 27 helices, 24 β-strands
ElementResiduesLengthSheet
α-helix7-82
α-helix11-133
β-strand1515
α-helix161
β-strand20-2346
α-helix25-295
α-helix30-4314
β-strand53-5757
β-strand63-6647
α-helix69-757
α-helix81-9616
α-helix101-12020
α-helix125-14218
α-helix143-1464
α-helix160-1623
α-helix165-1695
α-helix176-18712
α-helix199-2013
β-strand202-20878
α-helix212-2143
β-strand216-21838
β-strand222-22329
β-strand233-23429
β-strand238-241410
β-strand242111
β-strand256-257212
β-strand259113
α-helix262-28423
β-strand290-293410
α-helix296-2983
α-helix299-3079
β-strand311-314410
α-helix319-32810
β-strand333111
β-strand345-346210
β-strand349-35469
β-strand359-36469
β-strand373-37978
α-helix382-40423
β-strand408-410314
α-helix414-42815
α-helix435-4439
α-helix444-4463
α-helix447-45610
α-helix460-47314
β-strand478115
β-strand491115
α-helix492-4954
β-strand498-500314
α-helix501-52020
β-strand521-52666
Chain C: 22 helices, 24 β-strands
ElementResiduesLengthSheet
β-strand14-1747
α-helix19-268
α-helix29-357
β-strand46-50516
β-strand56-59416
α-helix62-676
β-strand71117
α-helix77-8913
α-helix96-10611
α-helix109-1135
α-helix118-13821
β-strand141118
α-helix150-16314
α-helix172-18312
β-strand195-201719
α-helix205-2073
β-strand209-211319
β-strand215-217320
α-helix225-2273
β-strand231-232220
β-strand237-240421
β-strand244122
β-strand255-257313
α-helix260-28324
β-strand288-291421
β-strand295122
α-helix297-3048
β-strand309-310221
α-helix316-32611
β-strand331121
α-helix339-3413
β-strand348-352520
β-strand357-360420
β-strand370-376719
α-helix379-40123
β-strand405-407318
α-helix411-42414
α-helix429-4313
α-helix432-4398
α-helix444-45310
α-helix457-47014
β-strand485-488423
β-strand493-496423
β-strand503-505318
α-helix507-52519
β-strand526-53167
Chain D: 22 helices, 27 β-strands
ElementResiduesLengthSheet
β-strand19117
α-helix22-243
β-strand25-28416
α-helix30-4718
β-strand58-62524
β-strand68-71424
α-helix74-807
β-strand83125
α-helix86-9914
α-helix109-12517
α-helix130-14819
β-strand153126
α-helix164-1729
α-helix185-1917
α-helix206-2083
β-strand209-213527
α-helix219-2213
β-strand223-225327
β-strand228-230328
β-strand234129
β-strand243128
β-strand246130
β-strand248-250329
β-strand251131
α-helix257-2582
β-strand264-268513
α-helix271-29424
β-strand299-301329
α-helix308-3169
β-strand321-322229
α-helix327-33711
β-strand342131
β-strand356130
β-strand358-363628
β-strand370-375628
β-strand383-387527
α-helix392-41423
β-strand418-419226
α-helix424-43613
α-helix437-4393
α-helix445-45410
α-helix457-46610
α-helix470-48314
β-strand489132
β-strand500132
α-helix501-5044
β-strand508-509226
α-helix510-52920
β-strand530-536716
Chain E: 23 helices, 25 β-strands
ElementResiduesLengthSheet
β-strand12125
β-strand17-19324
α-helix21-3919
α-helix40-423
β-strand49-54633
β-strand61-64433
α-helix69-735
α-helix81-9414
α-helix99-11719
α-helix123-14220
β-strand146-147234
α-helix152-16615
α-helix171-1733
α-helix176-18813
α-helix196-1983
β-strand199-206835
α-helix209-2113
β-strand213-214235
β-strand218-220336
β-strand224137
β-strand232-233236
β-strand237-240437
β-strand244138
β-strand254-256313
α-helix261-28323
β-strand289-292437
β-strand296138
α-helix298-3069
β-strand310-312337
α-helix317-3204
α-helix323-3264
β-strand331-332237
β-strand346-354936
β-strand357-365936
β-strand371-377735
α-helix380-40223
β-strand405-408434
α-helix412-42514
α-helix432-44312
α-helix446-4538
α-helix458-46912
β-strand476-478339
β-strand485-487339
α-helix488-4914
β-strand494-496334
α-helix497-51519
β-strand517-522624
α-helix524-5296
Chain F: 22 helices, 24 β-strands
ElementResiduesLengthSheet
α-helix29-4719
β-strand58-62540
β-strand68-71440
α-helix74-807
α-helix86-10116
α-helix106-12520
α-helix130-14920
β-strand153-154241
α-helix160-16910
α-helix177-1793
α-helix180-19213
α-helix205-2073
β-strand208-215842
α-helix218-2203
β-strand222-224342
β-strand227-229343
β-strand240-242343
β-strand245-249544
β-strand253145
β-strand262113
β-strand264-266346
α-helix270-29324
β-strand297-301544
α-helix3021
β-strand309145
α-helix311-3188
β-strand323-328644
α-helix333-3408
β-strand344-345244
α-helix348-3503
β-strand357-358244
β-strand359-366843
β-strand372-379843
β-strand386-392742
α-helix395-41723
β-strand420-423441
α-helix427-44216
α-helix447-45711
α-helix460-4689
α-helix473-48311
β-strand491-493347
β-strand500-502347
α-helix503-5064
β-strand509-511341
α-helix512-52918
β-strand532-538733
Chain G: 27 helices, 25 β-strands
ElementResiduesLengthSheet
β-strand9-13540
α-helix15-184
α-helix23-319
α-helix32-343
β-strand42-46548
β-strand52-55448
α-helix58-647
α-helix70-8516
α-helix92-10918
α-helix114-13421
β-strand137149
α-helix139-1413
α-helix149-1546
α-helix165-17612
α-helix177-1793
β-strand181150
β-strand189150
β-strand196-199451
α-helix205-2073
β-strand209-211351
β-strand213-216452
β-strand228-229252
β-strand234-237453
β-strand241154
β-strand250-254546
α-helix257-2593
α-helix261-2655
α-helix270-27910
β-strand285-288453
β-strand292154
α-helix299-3024
β-strand306-308353
α-helix313-32311
β-strand328153
β-strand332155
β-strand338155
β-strand350-355652
β-strand360-365652
β-strand374-377451
α-helix382-40423
β-strand408-410349
α-helix414-42613
α-helix427-4293
α-helix434-44512
α-helix447-4559
α-helix462-47514
α-helix482-4843
α-helix498-5014
β-strand504-506349
α-helix507-52519
β-strand527-533740
α-helix534-5352
Chain H: 25 helices, 27 β-strands
ElementResiduesLengthSheet
β-strand15-18448
α-helix20-3718
β-strand47-49356
β-strand59-60256
α-helix64-674
α-helix75-9016
α-helix97-10711
α-helix110-1134
α-helix119-13719
β-strand142-143257
α-helix149-16012
α-helix166-1683
α-helix169-18315
β-strand185158
β-strand193158
α-helix196-1983
β-strand199-206859
α-helix209-2113
β-strand213-214259
β-strand218-220360
β-strand232-233260
β-strand238-241461
β-strand245162
β-strand254-256346
β-strand258163
α-helix263-28321
β-strand289-292461
β-strand296162
α-helix298-3058
β-strand310-312361
α-helix319-3235
α-helix324-3285
β-strand332161
β-strand344161
β-strand350-354560
β-strand359-363560
β-strand372-378759
α-helix381-40323
β-strand406-409457
α-helix413-42311
α-helix426-4283
α-helix435-4428
α-helix443-4464
α-helix447-4537
α-helix462-4676
α-helix469-4713
β-strand478-480364
β-strand487-489364
α-helix490-4934
β-strand496-498357
α-helix499-51618
β-strand519-524648

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
>7TTN_1 Tubulin beta chain (chains A)
MREIVHIQAGQCGNQIGAKFWEVISDEHGIDPTGTYHGDSDLQLDRISVYYNEATGGKYV
PRAILVDLEPGTMDSVRSGPFGQIFRPDNFVFGQSGAGNNWAKGHYTEGAELVDSVLDVV
RKEAESCDCLQGFQLTHSLGGGTGSGMGTLLISKIREEYPDRIMNTFSVVPSPKVSDTVV
EPYNATLSVHQLVENTDETYCIDNEALYDICFRTLKLTTPTYGDLNHLVSATMSGVTTCL
RFPGQLNADLRKLAVNMVPFPRLHFFMPGFAPLTSRGSQQYRALTVPELTQQVFDAKNMM
AACDPRHGRYLTVAAVFRGRMSMKEVDEQMLNVQNKNSSYFVEWIPNNVKTAVCDIPPRG
LKMAVTFIGNSTAIQELFKRISEQFTAMFRRKAFLHWYTGEGMDEMEFTEAESNMNDLVS
EYQQYQDATAEEEEDFGEEAEEEA
Sequence of entity 2 (B), FASTA
>7TTN_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
>7TTN_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
>7TTN_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
>7TTN_5 T-complex protein 1 subunit beta (chains E)
MASLSLAPVNIFKAGADEERAETARLTSFIGAIAIGDLVKSTLGPKGMDKILLSSGRDAS
LMVTNDGATILKNIGVDNPAAKVLVDMSRVQDDEVGDGTTSVTVLAAELLREAESLIAKK
IHPQTIIAGWREATKAAREALLSSAVDHGSDEVKFRQDLMNIAGTTLSSKLLTHHKDHFT
KLAVEAVLRLKGSGNLEAIHIIKKLGGSLADSYLDEGFLLDKKIGVNQPKRIENAKILIA
NTGMDTDKIKIFGSRVRVDSTAKVAEIEHAEKEKMKEKVERILKHGINCFINRQLIYNYP
EQLFGAAGVMAIEHADFAGVERLALVTGGEIASTFDHPELVKLGSCKLIEEVMIGEDKLI
HFSGVALGEACTIVLRGATQQILDEAERSLHDALCVLAQTVKDSRTVYGGGCSEMLMAHA
VTQLANRTPGKEAVAMESYAKALRMLPTIIADNAGYDSADLVAQLRAAHSEGNTTAGLDM
REGTIGDMAILGITESFQVKRQVLLSAAEAAEVILRVDNIIKAAPRKRVPDHHPC
Sequence of entity 6 (F), FASTA
>7TTN_6 T-complex protein 1 subunit delta (chains F)
MPENVAPRSGATAGAAGGRGKGAYQDRDKPAQIRFSNISAAKAVADAIRTSLGPKGMDKM
IQDGKGDVTITNDGATILKQMQVLHPAARMLVELSKAQDIEAGDGTTSVVIIAGSLLDSC
TKLLQKGIHPTIISESFQKALEKGIEILTDMSRPVELSDRETLLNSATTSLNSKVVSQYS
SLLSPMSVNAVMKVIDPATATSVDLRDIKIVKKLGGTIDDCELVEGLVLTQKVSNSGITR
VEKAKIGLIQFCLSAPKTDMDNQIVVSDYAQMDRVLREERAYILNLVKQIKKTGCNVLLI
QKSILRDALSDLALHFLNKMKIMVIKDIEREDIEFICKTIGTKPVAHIDQFTADMLGSAE
LAEEVNLNGSGKLLKITGCASPGKTVTIVVRGSNKLVIEEAERSIHDALCVIRCLVKKRA
LIAGGGAPEIELALRLTEYSRTLSGMESYCVRAFADAMEVIPSTLAENAGLNPISTVTEL
RNRHAQGEKTAGINVRKGGISNILEELVVQPLLVSVSALTLATETVRSILKIDDVVNTR
Sequence of entity 7 (G), FASTA
>7TTN_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
>7TTN_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
>7TTN_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
MGMagnesium ionMg8
ADPAdenosine-5'-diphosphateC10 H15 N5 O10 P28

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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