9G3X: Mitotic spindle organizing protein 1

Structure of the Partially-assembled gamma-Tubulin Ring Complex from Pig Brain. Determined by electron microscopy at 4.5 Å resolution. Released 2 Oct 2024.

Method
Electron microscopy
Resolution
4.5 Å
Organism
Sus scrofa
Chains
10
Atoms
22,320
Mol. weight
625.04 kDa
Released
2 Oct 2024

Explore 9G3X in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9G3X contains 206 α-helices and 96 β-strands across 10 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 g: 20 helices, 13 β-strands

ElementResiduesLengthSheet
β-strand4-10716
α-helix11-2919
α-helix36-383
β-strand52-54317
β-strand60-62317
β-strand64-67416
α-helix71-788
α-helix88-903
α-helix104-11310
α-helix115-12814
β-strand132-140916
α-helix144-16017
β-strand165-172816
α-helix173-1742
α-helix184-19815
β-strand201-206616
α-helix207-2126
α-helix213-2175
α-helix225-23915
α-helix241-2444
α-helix253-2586
β-strand268-269216
β-strand270-274518
α-helix290-2978
β-strand303118
β-strand317-325918
α-helix330-34314
β-strand357-361518
α-helix362-3643
β-strand374-381818
α-helix384-40017
α-helix406-4105
α-helix419-43820
Chain G: 25 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix152-16817
α-helix210-22516
α-helix228-2303
β-strand233-23641
α-helix2441
β-strand245-24841
α-helix254-26310
α-helix265-27915
α-helix283-2853
α-helix286-31530
α-helix321-34828
α-helix353-36513
α-helix370-39526
β-strand41012
β-strand43412
α-helix444-46219
α-helix483-50422
α-helix509-5157
α-helix516-5205
α-helix525-53915
α-helix548-55811
α-helix624-6274
α-helix632-65928
α-helix680-71536
α-helix719-73416
α-helix737-7404
α-helix747-76923
α-helix818-84528
α-helix857-8626
Chain h: 20 helices, 17 β-strands
ElementResiduesLengthSheet
β-strand4-9619
α-helix11-2919
β-strand36120
β-strand52-54321
β-strand59120
β-strand60-62321
β-strand64-66319
α-helix71-799
α-helix83-853
α-helix88-903
β-strand91119
α-helix104-11310
α-helix115-12713
β-strand132-140919
α-helix144-16017
β-strand165-172819
α-helix173-1742
α-helix184-19815
β-strand201-203319
β-strand205-206219
α-helix207-21610
α-helix225-23713
α-helix239-2446
α-helix253-2586
β-strand268-269219
β-strand272-274322
α-helix290-2989
β-strand303122
β-strand319-326822
α-helix330-34314
β-strand356-361622
β-strand373-380822
α-helix384-40118
α-helix406-4105
α-helix412-4165
α-helix419-43820
α-helix441-4444
Chain H: 31 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix8-158
α-helix16-205
α-helix30-3910
α-helix51-6414
α-helix68-8417
α-helix90-10213
α-helix250-26112
β-strand269-27243
β-strand277-28043
α-helix283-2853
α-helix288-31629
α-helix321-35030
β-strand35114
β-strand35314
β-strand35815
β-strand36115
α-helix367-39024
α-helix397-40610
α-helix412-43827
β-strand451-45226
α-helix453-4542
β-strand468-46926
α-helix471-4733
α-helix480-49819
α-helix532-55423
α-helix560-5678
α-helix575-58814
β-strand59117
α-helix592-5943
α-helix597-61014
α-helix612-6154
α-helix618-6236
β-strand626-62838
β-strand63617
α-helix637-6404
β-strand641-64338
α-helix659-69436
α-helix698-74346
α-helix747-76317
α-helix769-81345
α-helix814-8163
α-helix820-87152
α-helix874-88310
Chain i: 22 helices, 17 β-strands
ElementResiduesLengthSheet
β-strand4-10723
α-helix11-2919
β-strand31124
α-helix321
α-helix33-353
β-strand37124
α-helix39-413
β-strand52-54325
β-strand60-62325
β-strand64-67423
α-helix71-799
α-helix81-833
α-helix104-11310
α-helix115-12713
β-strand132-140923
α-helix144-16017
β-strand165-172823
α-helix184-19714
β-strand201-206623
α-helix207-21610
α-helix225-23915
α-helix241-2444
α-helix253-2586
β-strand263126
β-strand266126
β-strand268-269223
β-strand270-274527
α-helix290-2989
α-helix300-3023
β-strand303127
β-strand317-3261027
α-helix330-34314
β-strand356-361627
β-strand373-381927
α-helix383-40119
α-helix405-4106
α-helix412-4154
α-helix419-43921
α-helix443-4453
Chain I: 29 helices, 6 β-strands
ElementResiduesLengthSheet
α-helix2-98
β-strand17-2049
β-strand24-2749
α-helix36-6328
α-helix84-11330
α-helix119-13012
α-helix132-14514
α-helix151-16010
α-helix166-19227
β-strand205-207310
β-strand257-259310
α-helix261-2633
α-helix270-29122
α-helix304-31613
α-helix322-34524
α-helix350-3567
α-helix357-3615
α-helix366-38015
α-helix383-3842
α-helix388-40215
α-helix411-4133
β-strand415-418411
α-helix421-4233
β-strand453-456411
α-helix463-4664
α-helix469-50133
α-helix502-5043
α-helix509-53123
α-helix532-5387
α-helix539-55012
α-helix554-57219
α-helix577-59923
α-helix606-63025
α-helix640-64910
α-helix654-6574
Chain j: 18 helices, 19 β-strands
ElementResiduesLengthSheet
β-strand5-9528
α-helix12-2817
β-strand31129
β-strand37129
β-strand52-54330
β-strand60-62330
β-strand64-68528
α-helix72-798
α-helix81-833
β-strand91-93328
α-helix104-11310
α-helix115-12814
β-strand134-139628
α-helix144-16017
β-strand166-172728
α-helix184-19714
β-strand201-206628
α-helix207-21711
α-helix225-24420
α-helix253-2608
β-strand263131
β-strand266131
β-strand268-274728
β-strand286132
α-helix290-2989
α-helix300-3023
β-strand303128
β-strand317-3261028
α-helix330-34213
β-strand355-361728
β-strand371132
β-strand373-381928
α-helix382-3843
α-helix385-40117
α-helix406-4094
α-helix412-4154
α-helix419-43719
Chain J: 35 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix14-2714
α-helix35-5016
α-helix58-7417
α-helix78-9215
α-helix105-11713
α-helix243-25412
α-helix260-2623
β-strand264-265212
α-helix268-28013
β-strand289-291313
β-strand294-296313
β-strand301-302212
α-helix308-33629
α-helix360-38829
α-helix396-41722
α-helix418-4225
α-helix430-44920
α-helix453-4553
α-helix456-48227
β-strand496-497214
α-helix508-5114
β-strand513-514214
β-strand517115
β-strand547115
α-helix553-57321
α-helix593-60412
α-helix684-71431
α-helix717-7237
α-helix724-7285
α-helix733-74816
α-helix756-77015
α-helix795-7973
α-helix810-8123
α-helix816-84126
α-helix844-8496
α-helix876-90025
α-helix901-9088
α-helix909-91911
α-helix924-94118
α-helix946-9483
α-helix949-97022
α-helix978-100427
α-helix1011-102010

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

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Mitotic spindle organizing protein 1P, Rprotein79Sus scrofaA0A287AS02 (AlphaFold model)
Gamma-tubulin complex componentGprotein905Sus scrofaA0A480VJI0 (AlphaFold model)
Gamma-tubulin complex component 3Hprotein910Sus scrofaF1RN46 (AlphaFold model)
Gamma-tubulin complex componentIprotein667Sus scrofaA0A8D1V2H0 (AlphaFold model)
Gamma-tubulin complex componentJprotein1061Sus scrofaI3L738
Tubulin gamma chaing, h, i, jprotein451Sus scrofaA0A287BRH5
Sequence of entity 1 (P, R), FASTA
>9G3X_1 Mitotic spindle organizing protein 1 (chains P, R)
MAGNSGSGAAAAANLNAVRETMDVLLEISRILNTGLDMETLSICVRLCEQGINPEALSSV
IKELRKATEALKAAENMTS
Sequence of entity 2 (G), FASTA
>9G3X_2 Gamma-tubulin complex component (chains G)
MSEFRIHHDVNELLSLLRVHGGDGAEVYIDLLQKNRTPYVTTTVSAHSAKVKIAEFSRTP
EDFLKKYDELKSKNTRNLDPLVYLLSKLMEDRETLQYLQQNAKERAELAASAAASSTASF
GASATASKISMQELEELRKQLGSVATGPTWQQSLELTRKMLRDKQSKKNSGQRLPVLPAW
VYERPALLGDFLPGTGGSADTAVPIGSLPLASQEAAVVEDLLYVLVGVDGRYISAQPLTG
RQGRTFLVDPNLDLSIRELVSRILPVAASYSTVTRFIEEKSSFEYGQVNHALAAAMRTLV
KEYLVLVTQLEQLQRQGLLSLQKLWFYIQPAMRSLDILASLATSVDKGECIGGATLSLLH
DRSFSYTGDSQAQELCLHLTKAASTPYFEILEKWIYRGIIDDPYSEFMVEEHELRKEKIQ
EDYNDKYWDQRYTVVQRQIPSFLQKMAGKVLSTGKYLNVVRECGHDVTCPVAKEVVYTLK
ERAYVEQIEKAFSYASKVLLDFLMGEKELLAHLRSIKRYFLMDQGDFFVHFMDLTEEELK
KPVDDITPTRLEALLELALRMSTANTDPFKDDLKIDLMPHDLITQLLRVLAIETQQEKAM
VHADPTELTLSGLEAFSFDYVVTWPLSLIINRKALTRYQMLFRHMFYCKHVERQLCSVWI
SNKAAKRFSLHSAKWFAGAFTLRQRMLNFVQNIQSYMMFEVMEPTWHVLEQNLRSASNID
DVLGHHASFLDNCLKDCMLTNPELLRVFSKLMSVCVMFTNCLQRFTQSMKLDSELGHPAL
EPGAMLGPPTEAERAEERARKELARKCLAEHVDAPQLASSFEATITKFDKNFSAHLLDLL
ARLSIYSTSDCEHGMASVISRLDFNGFYTERLERLSAERSQKAAPPVPGPRGPPALVPRV
AVTAQ
Sequence of entity 3 (H), FASTA
>9G3X_3 Gamma-tubulin complex component 3 (chains H)
MATPDQKSPNVLLQNLCCRILGKSEADVAQQFQYAVRVIGSNFAPTVERDEFLVAEKIKK
ELTRQRREADAALFSELHRKLHSQGVLKNKWSILYLLLSLSEDPRKQPSKVSGYAALFAQ
ALPRDAHSTPYYYARPQSLPLNYQERGAPSAQSAGSAGSSGVSSLGTYALNGPTPPPPPP
ALLPGQPLPAPGVGDGLRQQLGSRLAWTLTASQPSLPSTTSKAVPSSGSRGAARPRREGD
AAAGAVEVTEAALVRDILYVFQGIDGKHVKMSNADNCYTVEGKANLSKSLRDTAVRLAEL
GWLHNKIRKYTDQRSLDRSFGLVGQSFCAALHQELREYYRLLSVLHSQLQLEDDQGVNLG
LESSLTLRRLLVWTYDPKMRLKTLAALVDHCQGRKGGELASAVHAYTKTGDPYARSLVQH
ILSLVSHPVLSFLYRWIYDGELEDTYHEFFVASDPAVKADRLWHDKYALRKPMIPSFMTM
DQCRKVLLIGKSINFLHQVCHDQTPTTKMIAVTKSAESPQDAADLFTDLENAFQGKIDAA
YFETSKYLLDVLNKKYSLLDHMQAMRRYLLLGQGDFIRHLMDLLKPELVRPATTLYQHNL
TGILETAVRATNAQFDSPEILKRLDVRLLEVSPGDTGWDVFSLDYHVDGPIATVFTRECM
SHYLRAFNFLWRAKRVEYILTDIRKGHMCNARLLRSMPEFSGVLHHCHILASEMVHFIHQ
MQYYVTFEVLECSWDELWNRVQRAQDLDHIIAAHEAFLGTVISRCLLDSDSRALLNQLRA
VFDQIIELQNTQDAIYRAALEELQRRLQFEEKKKQREAEGQWGVSAAEEEQEKRRVQEFQ
ESIPKMCSQLRILTHFYQGVVQQFLVSLTTSSDESLRFLSFRLDFNEHYRAREPRLRVSL
GTRGRRSSHT
Sequence of entity 4 (I), FASTA
>9G3X_4 Gamma-tubulin complex component (chains I)
MIHELLLALSGYPGSIFTWNKRGGLQVSQDFPFLHPSETSVLNRLCRLGTDYIRFTEFIE
QYTGHVQQQDHHPSQQGQGGLHGIYLRAFCTGLDSVLQPYRQALLDLEQEFLADPHLSIS
HINYSLDQFQLLFPSVMVVVEQIKSQKIHGCQILETVYKHSCGGLPPVRSALEKILAVCH
GVMYKQLSAWMLHGLLLDQHEEFFIKQGPSSGNVSAQPEEDEEDLGIGGLTGKQLRELQD
LRLIEEENMLAPSLKQFSLRVEILPSYIPVRVAEKILFVGESVQMFENQNVNLTRKGSIL
KDQEDTFAAELHRLKQQPLFSLVDFEQVVDRIRSTVAEHLWKLMVEESDLLGQLKIIKDF
YLLGRGELFQAFIDTAQHMLKTPPTAVTEHDVNVAFQQSAHKVLLDDDNLLPLLHLTIEY
HGKEHKADATQAREGPSRETSPREAPASGWAALGLSYKVQWPLHILFTPAVLEKYNVVFK
YLLSVRRVQAELQHCWALQMQRKHLKSNQTDAVKWRLRNHMAFLVDNLQYYLQVDVLESQ
FSQLLHQINSTRDFESIRLAHDHFLSNLLAQSFILLKPVFHCLNEILDLCHSFCSLVSQN
LGPLDERGAAQLSILVKGFSRQSSLLFKILSSVRNHQINSDLAQLLLRLDYNKYYTQAGG
TLGSFGM
Sequence of entity 5 (J), FASTA
>9G3X_5 Gamma-tubulin complex component (chains J)
MASPAPSWTRLDPQQERDVRELIRLVSGVQDEADPNFQLALHFAWSNFRFHRFLDVNSHK
VEKTIEGIYEKFIIHSDLSKAASWKRLTDEFLNASLPSIKEIKTDAHYSILSLLLCLSDS
PSNSNYVETPRNKEVEKKDDFDWGKYLMEGEEIDLGPNVDTPNWSEESEDEDDPQPLSRE
DSGIQVDRTPLEEQDQSRKPASRVSWKVDEPDARSWLEQHVVRQYWTTRSSKFPHSLHLH
SNLAAVWDQHLYSSDPLYVPDDRVSVTETQVIRETLWLLSGVKKLFIFQLIDGKVAVRNN
IMVTHLTHSCLRSVLEQIAAYGQVVFRLQEFIDEVMGHSSESTLPGNGSVPKKSTDAPFR
TYQAFMWALYKYFISFKEELSEIEKCIINNDTTVTLAIVVDKLSPRLAQLKVLHKVFSTG
VAEVPPDTRNVVRASHLLNTLYKAILEYDNVGEASEQTVSLLFSLWVETVRPYLQIVDEW
IVHGHLCDGAREFIIQRNKNVPVNHRDFWYATYTLYSVSEKTENEEKMSDNASASSGSDQ
GPSSRQHTMVSFLKPVLKQIIMAGKSMQLLKNLQCAESTTCQAMARDAERKSLYTLFLES
VQSRLRHGEDATAQALTEQQATRETLIKMQSIAERHLELDDVHDPLLAINFARLYLEQSD
FHEKFAGGDICVDRSSESVTCQTFELTLRSCLYPHIDKQYLDCCGNLMRTLKKDYRLVEY
LQAMRNFFLMEGGDTMYDFYTSIFDKIREKETWQNVSFLNVQLQEAVGQRYPEDSSRLSI
SFENTDTAKKKLPVHTLDGLTLSYKVPWPVDIVISLECQKIYNQVFLLLLQIKWAKYSLD
VLLFGELASSAEKPQSKEGLLSGQDTAAQFGPQKEPVRQQIHRMFLLRVKLMHFVNSLHN
YIMTRILHSTGLEFQHQVEEAKDLDQLIKIHYRYLSTIHDRCLLREKVSFVKEAIMKVLN
LALMFADGWQAGLGAWQMESIEKMESDFKNCHMFLVTILNKAVCRGSFPHLESLALSLMA
GMEQKREDDLFNHTWGQGDLPNYTCAVRLLGVRKGGGTRPK
Sequence of entity 6 (g, h, i, j), FASTA
>9G3X_6 Tubulin gamma chain (chains g, h, i, j)
MPREIITLQLGQCGNQIGFEFWKQLCAEHGISPEGIVEEFATEGTDRKDVFFYQADDEHY
IPRAVLLDLEPRVIHSILNSPYAKLYNPENIYLSEHGGGAGNNWASGFSQGEKIHEDIFD
IIDREADGSDSLEGFVLCHSIAGGTGSGLGSYLLERLNDRYPKKLVQTYSVFPNQDEMSD
VVVQPYNSLLTLKRLTQNADCVVVLDNTALNRIATDRLHIQNPSFSQINQLVSTIMSAST
TTLRYPGYMNNDLIGLIASLIPTPRLHFLMTGYTPLTTDQSVASVRKTTVLDVMRRLLQP
KNVMVSTGRDRQTNHCYIAILNIIQGEVDPTQVHKSLQRIRERKLANFIPWGPASIQVAL
SRKSPYLPSAHRVSGLMMANHTSISSLFESSCQQYDKLRKREAFLEQFRKEDIFKENFDE
LDRSREVVQELIDEYHAATRPDYISWGTQEQ

Primary citation

Partial closure of the gamma-tubulin ring complex by CDK5RAP2 activates microtubule nucleation. Xu, Y., Munoz-Hernandez, H., Krutyholowa, R. et al. Dev Cell (2024) 59:3161. DOI 10.1016/j.devcel.2024.09.002 · PubMed

Other PDB entries of the same protein (UniProt A0A287AS02 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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