8QV3: Tubulin gamma chain

Structure of the y-Tubulin Small Complex (yTuSC) as part of the native y-Tubulin Ring Complex (yTuRC) capping microtubule minus ends at the spindle pole body. Determined by electron microscopy at 8.2 Å resolution. Released 24 Apr 2024.

Method
Electron microscopy
Resolution
8.2 Å
Organism
Saccharomyces cerevisiae
Chains
12
Atoms
33,813
Mol. weight
738.3 kDa
Ligands
GTP
Released
24 Apr 2024

Explore 8QV3 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8QV3 contains 207 α-helices and 127 β-strands across 12 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 Ac: 21 helices, 15 β-strands

ElementResiduesLengthSheet
β-strand4-9623
α-helix10-2718
β-strand54-55224
α-helix561
β-strand63-64224
β-strand66-70523
α-helix73-819
α-helix83-875
β-strand94-95223
α-helix104-1074
α-helix110-1134
α-helix116-12914
β-strand135-141723
α-helix145-16117
β-strand166-173823
α-helix184-19815
β-strand201-206623
α-helix207-21610
α-helix225-23915
α-helix241-2444
β-strand249123
α-helix253-2608
β-strand270-274523
α-helix279-2846
α-helix289-2968
β-strand312125
β-strand316-320523
α-helix326-33914
β-strand343125
α-helix344-3452
β-strand352-356523
α-helix360-3612
β-strand376-380523
α-helix384-40219
α-helix406-4127
α-helix416-43823
Chain Ad: 21 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand5-9521
α-helix10-2718
β-strand54-56322
β-strand62-64322
β-strand66-70521
α-helix73-819
α-helix83-875
β-strand94-95221
α-helix110-12920
β-strand135-141721
α-helix145-16117
β-strand166-173821
α-helix174-1752
α-helix184-19714
β-strand201-206621
α-helix207-21610
α-helix225-24420
α-helix253-2608
β-strand270-274521
α-helix279-2846
α-helix289-2968
α-helix299-3024
α-helix312-3132
β-strand316-322721
α-helix326-33914
α-helix343-3453
β-strand352-357621
α-helix360-3612
α-helix370-3712
β-strand374-380721
α-helix384-40219
α-helix404-4129
α-helix416-43823
Chain Bc: 22 helices, 22 β-strands
ElementResiduesLengthSheet
β-strand3-9731
α-helix13-2412
α-helix25-295
β-strand30132
β-strand36132
α-helix42-509
β-strand51-53333
β-strand59-61333
β-strand63-66431
β-strand68134
α-helix70-778
α-helix81-833
β-strand90131
β-strand93134
α-helix1011
α-helix102-1076
α-helix109-12618
β-strand130-136731
β-strand138135
α-helix142-15817
β-strand163-166431
α-helix1681
β-strand169-170235
α-helix171-1722
α-helix180-19516
β-strand199131
β-strand201136
β-strand202-203235
α-helix204-2107
α-helix211-2155
α-helix222-24120
α-helix250-2578
β-strand267-271536
α-helix274-2752
α-helix286-2949
β-strand310137
β-strand312-319836
α-helix323-33614
β-strand341137
β-strand353-354236
β-strand363-370836
α-helix374-38815
α-helix395-4017
α-helix405-42218
Chain Bd: 23 helices, 20 β-strands
ElementResiduesLengthSheet
β-strand3-9726
α-helix13-2816
α-helix42-509
β-strand51-53327
α-helix55-573
β-strand59-61327
β-strand63-66426
α-helix70-789
α-helix87-893
β-strand90126
α-helix101-1033
α-helix104-1085
α-helix110-12617
β-strand130-136726
β-strand138128
α-helix142-15817
β-strand165-166226
β-strand169128
β-strand170129
α-helix171-1722
α-helix180-19516
β-strand198-200326
β-strand203129
α-helix204-2107
α-helix211-2155
α-helix222-24120
β-strand246130
α-helix250-2567
β-strand265-266226
β-strand269-271330
α-helix274-2752
α-helix286-2938
β-strand299130
α-helix3091
β-strand310-318930
α-helix323-33614
β-strand341130
β-strand351-354430
α-helix357-3582
β-strand365-371730
α-helix374-38815
α-helix395-4017
α-helix405-42117
Chain c: 21 helices, 18 β-strands
ElementResiduesLengthSheet
β-strand4-1071
α-helix11-2818
β-strand3612
β-strand54-5633
β-strand6112
β-strand62-6433
β-strand66-6941
α-helix73-8210
α-helix89-913
β-strand92-9321
α-helix105-11410
α-helix116-12813
β-strand133-14191
α-helix145-16117
β-strand166-17381
α-helix180-19617
β-strand200-20561
α-helix206-21611
α-helix224-23815
α-helix240-2434
α-helix252-2598
β-strand26214
β-strand26514
β-strand267-26821
β-strand269-27355
α-helix291-2999
α-helix301-3033
β-strand30415
β-strand318-32365
α-helix328-34114
β-strand352-35765
α-helix358-3603
α-helix364-3663
β-strand373-37865
α-helix383-40018
α-helix404-4063
α-helix411-4144
α-helix417-44024
α-helix443-4464
Chain d: 20 helices, 16 β-strands
ElementResiduesLengthSheet
β-strand4-1076
α-helix11-2919
α-helix32-343
β-strand3617
β-strand54-5528
β-strand6117
β-strand63-6428
β-strand66-6946
α-helix73-8210
α-helix89-913
β-strand92-9326
α-helix105-11410
α-helix116-12813
β-strand133-13976
α-helix145-16117
β-strand166-17386
α-helix1741
α-helix180-19617
β-strand200-20566
α-helix206-21611
α-helix224-24320
α-helix252-2576
β-strand267-26826
β-strand269-27249
α-helix291-2999
α-helix301-3033
β-strand30419
α-helix313-3142
β-strand315-32399
α-helix328-33912
β-strand353-35759
α-helix364-3674
β-strand373-38089
α-helix383-39715
α-helix416-44025
α-helix444-4518
Chain E: 44 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix21
β-strand3110
α-helix4-52
β-strand8111
β-strand12112
β-strand26112
α-helix27-315
β-strand38110
α-helix39-424
α-helix43-453
α-helix52-6716
β-strand76-77213
α-helix781
β-strand92-93213
α-helix100-12627
α-helix129-1313
α-helix133-14513
α-helix146-1505
α-helix151-1533
α-helix154-1596
α-helix160-1645
α-helix170-18011
α-helix182-20524
α-helix224-2274
β-strand232-235414
α-helix237-2393
α-helix245-25713
α-helix262-28928
β-strand302-303214
α-helix321-3233
β-strand324-327414
α-helix338-36124
α-helix368-3703
α-helix376-3783
α-helix381-3866
α-helix389-40719
α-helix408-4125
α-helix415-42612
α-helix432-44110
α-helix443-4519
α-helix459-47113
α-helix477-4804
β-strand483-486415
α-helix491-4988
β-strand560-563415
α-helix570-5723
α-helix576-60833
α-helix610-6134
α-helix622-6265
α-helix627-64721
α-helix648-6536
α-helix654-6629
α-helix669-68416
α-helix687-72034
α-helix755-78834
α-helix802-81110
Chain F: 29 helices, 11 β-strands
ElementResiduesLengthSheet
α-helix167-1704
α-helix173-1753
α-helix181-19212
β-strand209111
α-helix215-24329
α-helix248-27427
α-helix280-30122
α-helix309-32012
α-helix326-35227
β-strand364-366316
β-strand383-385316
α-helix396-41116
α-helix412-4165
α-helix419-43517
α-helix443-46725
α-helix470-48011
α-helix486-50116
α-helix510-52213
α-helix525-5306
α-helix532-5398
β-strand541117
β-strand544-545218
α-helix554-5574
β-strand558-559218
β-strand562117
α-helix582-61736
α-helix622-6243
α-helix625-66339
α-helix664-6685
β-strand681-683319
β-strand689-691319
α-helix694-6974
α-helix721-73616
α-helix7491
β-strand750120
α-helix7511
β-strand757120
α-helix758-79235
α-helix799-83234
α-helix836-84510

4 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 gamma chainc, dprotein473Saccharomyces cerevisiaeP53378 (AlphaFold model)
Spindle pole body componentEprotein823Saccharomyces cerevisiaeP38863 (AlphaFold model)
Spindle pole body componentFprotein846Saccharomyces cerevisiaeP53540 (AlphaFold model)
Spindle pole body component 110Sc, Sdprotein944Saccharomyces cerevisiaeP32380 (AlphaFold model)
Tubulin alpha-1 chainAc, Adprotein447Saccharomyces cerevisiaeP09733
Tubulin beta chainBc, Bdprotein457Saccharomyces cerevisiaeP02557
Unknown proteinUcprotein67Saccharomyces cerevisiae
Unknown proteinUdprotein62Saccharomyces cerevisiae
Sequence of entity 1 (c, d), FASTA
>8QV3_1 Tubulin gamma chain (chains c, d)
MGGEIITLQAGQCGNHVGKFLWSQLAKEHAIGTDGLSQLPDSSTERDDDTKPFFRENSRN
KFTPRAIMMDSEPSVIADVENTFRGFFDPRNTWVASDGASAGNSWANGYDIGTRNQDDIL
NKIDKEIDSTDNFEGFQLLHSVAGGTGSGLGSNLLEALCDRYPKKILTTYSVFPARSSEV
VVQSYNTILALRRLIEDSDATVVFDNASLLNISGKVFRNPNIDLQHTNQLISTIISSVTN
SIRFPSYMYSSMSSIYSTLIPSPELHFLSPSFTPFTSDYIHDDIAHKGHSSYDVMLDLLD
PSNSLVSTAMNNPTYFNVYNTIIGNVEPRQISRAMTKLQQRIKFPSWSSSAMHVNIGRRS
PYLPLQPNENEVSGMMLSNMSTVVNVFENACNTFDKVFAKGAFLNNYNVGDLFQSMQNVQ
DEFAESREVVQSLMEDYVAAEQDSYLDDVLVDDENMVGELEEDLDADGDHKLV
Sequence of entity 2 (E), FASTA
>8QV3_2 Spindle pole body component (chains E)
MEIKEVDDRAELLRYTNNIPLLGKLVNHQPLWSTNPKLKSFSLEKISAPDQRRVQEALVV
KDLLNVLIGLEGTYIRYFNDYEPSDPETPIEFKIAKKMDPSFKTFSRRIVRYGKQYMILT
RAYEKWSDTSFGMVLQRFAYEIRRFLEDVYLKTLVERLERDFNKVPNFSIRELEQIINET
EVNKQMELLYNIYEEIFREIEERRTNQSSQEDFNNFMDSMKNESSLHLRLMVAFDTTVYP
VPKGGAILKIFQQKILENLGDRSSVMFLKKLLNNISQDYCTMLYEWLTQGILNDPYQEFM
TYDDLEGKTDNIFDTRDRAWDTQYFIRKDVLLRDCDSEEDKNLLFKMLRTGILLKVVRAS
LQIPTIPSNSSDITIQEINDFADLMEGSNLELYVDKCYSRANEIFLKLFFQGYDLINVLK
HLQQIFLGYQSGHNVLKFLTKNMGELTKHYRNDNNANYDKLLQNFELERQSENPNNLMRQ
LLMIQFDTETLPQVLSHYLQIYPEVPENNSANDDSDPLMHANNFKNMNAILFDELSKERT
GAYHGSNLELYTPKSAIYHLKFDINIPYPLNIIISRTCMIKYQIILRYQLVLQYHSRLLD
ETWMDLNKTPSWKYRGYSHTVKRRIVRATRVLHAKMNHFIKTIMEYFNQNVIDKEVYSLE
KCYRNPTLAVAIQNELEGGLTNIMTNRCLSDLIPLQLQIFDIVYKFCKFIKSMRAKLCQL
DPVLYEKHKSGMMKTLNEGYRTNNGGQEDVGYQEDAALELIQKLIEYISNASSIFRKCLI
NFTQELSTEKFDFYDSSSVDAAGIERVLYSIVPPRSASASSQR
Sequence of entity 3 (F), FASTA
>8QV3_3 Spindle pole body component (chains F)
MELEPTLFGIIEALAPQLLSQSHLQTFVSDVVNLLRSSTKSATQLGPLIDFYKLQSLDSP
ETTIMWHKIEKFLDALFGIQNTDDMVKYLSVFQSLLPSNYRAKIVQKSSGLNMENLANHE
HLLSPVRAPSIYTEASFENMDRFSERRSMVSSPNRYVPSSTYSSVTLRQLSNPYYVNTIP
EEDILKYVSYTLLATTSALFPFDHEQIQIPSKIPNFESGLLHLIFEAGLLYQSLGYKVEK
FRMLNISPMKKALIIEISEELQNYTAFVNNLVSSGTVVSLKSLYREIYENIIRLRIYCRF
TEHLEELSGDTFLIELNIFKSHGDLTIRKIATNLFNSMISLYYEYLMNWLTKGLLRATYG
EFFIAENTDTNGTDDDFIYHIPIEFNQERVPAFIPKELAYKIFMIGKSYIFLEKYCKEVQ
WTNEFSKKYHVLYQSNSYRGISTNFFEIINDQYSEIVNHTNQILNQKFHYRDVVFALKNI
LLMGKSDFMDALIEKANDILATPSDSLPNYKLTRVLQEAVQLSSLRHLMNSPRNSSVING
LDARVLDLGHGSVGWDVFTLDYILYPPLSLVLNVNRPFGRKEYLRIFNFLWRFKKNNYFY
QKEMLKSNDIIRSFKKIRGYNPLIRDIINKLSRISILRTQFQQFNSKMESYYLNCIIEEN
FKEMTRKLQRTENKSQNQFDLIRLNNGTIELNGILTPKAEVLTKSSSSKPQKHAIEKTLN
IDELESVHNTFLTNILSHKLFATNTSEISVGDYSGQPYPTSLVLLLNSVYEFVKVYCNLN
DIGYEIFIKMNLNDHEASNGLLGKFNTNLKEIVSQYKNFKDRLYIFRADLKNDGDEELFL
LSKSLR
Sequence of entity 4 (Sc, Sd), FASTA
>8QV3_4 Spindle pole body component 110 (chains Sc, Sd)
MDEASHLPNGSLKNMEFTPVGFIKSKRNTTQTQVVSPTKVPNANNGDENEGPVKKRQRRS
IDDTIDSTRLFSEASQFDDSFPEIKANIPPSPRSGNVDKSRKRNLIDDLKKDVPMSQPLK
EQEVREHQMKKERFDRALESKLLGKRHITYANSDISNKELYINEIKSLKHEIKELRKEKN
DTLNNYDTLEEETDDLKNRLQALEKELDAKNKIVNSRKVDDHSGCIEEREQMERKLAELE
RKLKTVKDQVLELENNSDVQSLKLRSKEDELKNLMNELNELKSNAEEKDTQLEFKKNELR
KRTNELNELKIKSDEMDLQLKQKQNESKRLKDELNELETKFSENGSQSSAKENELKMLKN
KIAELEEEISTKNSQLIAKEGKLASLMAQLTQLESKLNQRDSQLGSREEELKKTNDKLQK
DIRIAREETVSKDERIIDLQKKVKQLENDLFVIKKTHSESKTITDNELESKDKLIKILEN
DLKVAQEKYSKMEKELKEREFNYKISESKLEDEKTTLNEKISNLAAENSQLKNKIEDNST
ATHHMKENYEKQLESLRKDIEEYKESAKDSEDKIEELKIRIAENSAKVSEKRSKDIKQKD
EQISDLTQNLKLQEDEISSLKSIIDRYKKDFNQLKSEQSNIQHDLNLQILNLENKLIESE
DELKSLRDSQKIEIENWKRKYNNLSLENDRLLTEKESASDKEREISILNRKLDEMDKEKW
NLQESKEKYKRELQKVITANDRLRREKEELNENSNNIRIMEDKMTRIKKNYLSEITSLQE
ENRRLEERLILNERRKDNDSTMQLNDIISYYKLKYHSEVRHNNDLKVINDYLNKVLALGT
RRLRLDTRKGEHSLNISLPDDDELDRDYYNSHVYTRYHDYEYPLRFNLNRRGPYFERRLS
FKTVALLVLACVRMKRIAFYRRSDDNRLRILRDRIESSSGRISW
Sequence of entity 5 (Ac, Ad), FASTA
>8QV3_5 Tubulin alpha-1 chain (chains Ac, Ad)
MREVISINVGQAGCQIGNACWELYSLEHGIKPDGHLEDGLSKPKGGEEGFSTFFHETGYG
KFVPRAIYVDLEPNVIDEVRNGPYKDLFHPEQLISGKEDAANNYARGHYTVGREILGDVL
DRIRKLADQCDGLQGFLFTHSLGGGTGSGLGSLLLEELSAEYGKKSKLEFAVYPAPQVST
SVVEPYNTVLTTHTTLEHADCTFMVDNEAIYDMCKRNLDIPRPSFANLNNLIAQVVSSVT
ASLRFDGSLNVDLNEFQTNLVPYPRIHFPLVSYSPVLSKSKAFHESNSVSEITNACFEPG
NQMVKCDPRDGKYMATCLLYRGDVVTRDVQRAVEQVKNKKTVQLVDWCPTGFKIGICYEP
PTATPNSQLATVDRAVCMLSNTTSIAEAWKRIDRKFDLMYAKRAFVHWYVGEGMEEGEFT
EAREDLAALERDYIEVGADSYAEEEEF
Sequence of entity 6 (Bc, Bd), FASTA
>8QV3_6 Tubulin beta chain (chains Bc, Bd)
MREIIHISTGQCGNQIGAAFWETICGEHGLDFNGTYHGHDDIQKERLNVYFNEASSGKWV
PRSINVDLEPGTIDAVRNSAIGNLFRPDNYIFGQSSAGNVWAKGHYTEGAELVDSVMDVI
RREAEGCDSLQGFQITHSLGGGTGSGMGTLLISKIREEFPDRMMATFSVLPSPKTSDTVV
EPYNATLSVHQLVEHSDETFCIDNEALYDICQRTLKLNQPSYGDLNNLVSSVMSGVTTSL
RYPGQLNSDLRKLAVNLVPFPRLHFFMVGYAPLTAIGSQSFRSLTVPELTQQMFDAKNMM
AAADPRNGRYLTVAAFFRGKVSVKEVEDEMHKVQSKNSDYFVEWIPNNVQTAVCSVAPQG
LDMAATFIANSTSIQELFKRVGDQFSAMFKRKAFLHWYTSEGMDELEFSEAESNMNDLVS
EYQQYQEATVEDDEEVDENGDFGAPQNQDEPITENFE
Sequence of entity 7 (Uc), FASTA
>8QV3_7 Unknown protein (chains Uc)
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXX
Sequence of entity 8 (Ud), FASTA
>8QV3_8 Unknown protein (chains Ud)
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XX

Ligands and cofactors

IDNameFormulaCopies
GTPGuanosine-5'-triphosphateC10 H16 N5 O14 P32

Primary citation

Structure of the native gamma-tubulin ring complex capping spindle microtubules. Dendooven, T., Yatskevich, S., Burt, A. et al. Nat Struct Mol Biol (2024) 31:1134-1144. DOI 10.1038/s41594-024-01281-y · PubMed

Other PDB entries of the same protein (UniProt P53378 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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