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- EMDB-43482: Density map for gamma tubulin ring complex capped microtubule -

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Basic information

Entry
Database: EMDB / ID: EMD-43482
TitleDensity map for gamma tubulin ring complex capped microtubule
Map dataDensity map for gamma tubulin ring complex capped microtubule.
Sample
  • Complex: Gamma tubulin ring complex bound to microtubule minus end
    • Protein or peptide: Tubulin alpha-1B chain
    • Protein or peptide: Tubulin beta-3 chain
    • Protein or peptide: TUBGCP6 protein
    • Protein or peptide: Gamma-tubulin complex component 3
    • Protein or peptide: Mitotic-spindle organizing protein 1
    • Protein or peptide: Actin, cytoplasmic 1
    • Protein or peptide: Isoform 3 of Gamma-tubulin complex component 2
    • Protein or peptide: Isoform 2 of Gamma-tubulin complex component 4
    • Protein or peptide: Gamma-tubulin complex component 5
    • Protein or peptide: Tubulin gamma-1 chain
KeywordsMicrotubule nucleation complex bound to a microtubule / CELL CYCLE
Function / homology
Function and homology information


microtubule nucleation by interphase microtubule organizing center / netrin receptor binding / gamma-tubulin complex localization / microtubule nucleator activity / dorsal root ganglion development / Post-chaperonin tubulin folding pathway / cytoskeleton-dependent intracellular transport / Cargo trafficking to the periciliary membrane / polar microtubule / Carboxyterminal post-translational modifications of tubulin ...microtubule nucleation by interphase microtubule organizing center / netrin receptor binding / gamma-tubulin complex localization / microtubule nucleator activity / dorsal root ganglion development / Post-chaperonin tubulin folding pathway / cytoskeleton-dependent intracellular transport / Cargo trafficking to the periciliary membrane / polar microtubule / Carboxyterminal post-translational modifications of tubulin / positive regulation of norepinephrine uptake / Microtubule-dependent trafficking of connexons from Golgi to the plasma membrane / interphase microtubule organizing center / gamma-tubulin complex / gamma-tubulin ring complex / mitotic spindle microtubule / Sealing of the nuclear envelope (NE) by ESCRT-III / Intraflagellar transport / cellular response to cytochalasin B / Formation of the embryonic stem cell BAF (esBAF) complex / regulation of transepithelial transport / Formation of the canonical BAF (cBAF) complex / Formation of tubulin folding intermediates by CCT/TriC / morphogenesis of a polarized epithelium / Formation of annular gap junctions / Formation of the dystrophin-glycoprotein complex (DGC) / structural constituent of postsynaptic actin cytoskeleton / Formation of the polybromo-BAF (pBAF) complex / Gap junction degradation / GBP-mediated host defense / Formation of neuronal progenitor and neuronal BAF (npBAF and nBAF) / protein localization to adherens junction / Formation of the non-canonical BAF (ncBAF) complex / Cell-extracellular matrix interactions / Gap junction assembly / regulation of G0 to G1 transition / dense body / Folding of actin by CCT/TriC / Tat protein binding / gamma-tubulin binding / postsynaptic actin cytoskeleton / non-motile cilium / Regulation of CDH1 Function / Kinesins / meiotic spindle organization / apical protein localization / Prefoldin mediated transfer of substrate to CCT/TriC / Adherens junctions interactions / regulation of double-strand break repair / microtubule nucleation / adherens junction assembly / RHOF GTPase cycle / Assembly and cell surface presentation of NMDA receptors / COPI-independent Golgi-to-ER retrograde traffic / Sensory processing of sound by outer hair cells of the cochlea / single fertilization / sperm principal piece / tight junction / Sensory processing of sound by inner hair cells of the cochlea / regulation of mitotic metaphase/anaphase transition / COPI-dependent Golgi-to-ER retrograde traffic / positive regulation of T cell differentiation / maintenance of blood-brain barrier / Interaction between L1 and Ankyrins / apical junction complex / intercellular bridge / regulation of nucleotide-excision repair / positive regulation of stem cell population maintenance / sperm end piece / pericentriolar material / NuA4 histone acetyltransferase complex / regulation of norepinephrine uptake / transporter regulator activity / cell leading edge / Recycling pathway of L1 / cortical cytoskeleton / positive regulation of double-strand break repair / Regulation of MITF-M-dependent genes involved in pigmentation / negative regulation of cell differentiation / mitotic sister chromatid segregation / establishment or maintenance of cell polarity / microtubule organizing center / nitric-oxide synthase binding / ciliary tip / brush border / RHOH GTPase cycle / mitotic spindle assembly / EPH-ephrin mediated repulsion of cells / positive regulation of myoblast differentiation / regulation of synaptic vesicle endocytosis / RHO GTPases Activate WASPs and WAVEs / kinesin binding / regulation of protein localization to plasma membrane / RHO GTPases activate IQGAPs / microtubule-based process / Hedgehog 'off' state / positive regulation of double-strand break repair via homologous recombination / spindle assembly / COPI-mediated anterograde transport / cytoplasmic microtubule
Similarity search - Function
Mitotic-spindle organizing protein 1 / Mitotic-spindle organizing gamma-tubulin ring associated / : / Gamma-tubulin complex component 6, N-terminal / Gamma-tubulin complex component 6 N-terminus / Gamma tubulin / Gamma tubulin complex component, C-terminal / Gamma-tubulin complex component, C-terminal domain superfamily / Gamma tubulin complex component C-terminal / Gamma-tubulin complex component protein ...Mitotic-spindle organizing protein 1 / Mitotic-spindle organizing gamma-tubulin ring associated / : / Gamma-tubulin complex component 6, N-terminal / Gamma-tubulin complex component 6 N-terminus / Gamma tubulin / Gamma tubulin complex component, C-terminal / Gamma-tubulin complex component, C-terminal domain superfamily / Gamma tubulin complex component C-terminal / Gamma-tubulin complex component protein / Gamma tubulin complex component protein, N-terminal / Gamma tubulin complex component N-terminal / Alpha tubulin / Tubulin-beta mRNA autoregulation signal. / Beta tubulin, autoregulation binding site / Beta tubulin / Actins signature 1. / Actin, conserved site / Actins signature 2. / Actin/actin-like conserved site / Actins and actin-related proteins signature. / Tubulin / Tubulin, C-terminal / Tubulin C-terminal domain / Tubulin, conserved site / Tubulin subunits alpha, beta, and gamma signature. / Actin / Actin family / Actin / Tubulin/FtsZ family, C-terminal domain / Tubulin/FtsZ-like, C-terminal domain / Tubulin/FtsZ, C-terminal / Tubulin/FtsZ, 2-layer sandwich domain / Tubulin/FtsZ family, GTPase domain / Tubulin/FtsZ family, GTPase domain / Tubulin/FtsZ, GTPase domain / Tubulin/FtsZ, GTPase domain superfamily / ATPase, nucleotide binding domain
Similarity search - Domain/homology
Gamma-tubulin complex component 6 / Tubulin gamma-1 chain / Actin, cytoplasmic 1 / Tubulin alpha-1B chain / Mitotic-spindle organizing protein 1 / Tubulin beta-3 chain / Gamma-tubulin complex component 3 / Gamma-tubulin complex component 5 / Gamma-tubulin complex component 2 / Gamma-tubulin complex component 4
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 7.7 Å
AuthorsAher A / Urnavicius L / Kapoor TM
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)GM130234 United States
CitationJournal: Nat Struct Mol Biol / Year: 2024
Title: Structure of the γ-tubulin ring complex-capped microtubule.
Authors: Amol Aher / Linas Urnavicius / Allen Xue / Kasahun Neselu / Tarun M Kapoor /
Abstract: Microtubules are composed of α-tubulin and β-tubulin dimers positioned head-to-tail to form protofilaments that associate laterally in varying numbers. It is not known how cellular microtubules ...Microtubules are composed of α-tubulin and β-tubulin dimers positioned head-to-tail to form protofilaments that associate laterally in varying numbers. It is not known how cellular microtubules assemble with the canonical 13-protofilament architecture, resulting in micrometer-scale α/β-tubulin tracks for intracellular transport that align with, rather than spiral along, the long axis of the filament. We report that the human ~2.3 MDa γ-tubulin ring complex (γ-TuRC), an essential regulator of microtubule formation that contains 14 γ-tubulins, selectively nucleates 13-protofilament microtubules. Cryogenic electron microscopy reconstructions of γ-TuRC-capped microtubule minus ends reveal the extensive intra-domain and inter-domain motions of γ-TuRC subunits that accommodate luminal bridge components and establish lateral and longitudinal interactions between γ-tubulins and α-tubulins. Our structures suggest that γ-TuRC, an inefficient nucleation template owing to its splayed conformation, can transform into a compacted cap at the microtubule minus end and set the lattice architecture of cellular microtubules.
History
DepositionJan 22, 2024-
Header (metadata) releaseMar 27, 2024-
Map releaseMar 27, 2024-
UpdateJul 31, 2024-
Current statusJul 31, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_43482.png

Downloads & links

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Map

FileDownload / File: emd_43482.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationDensity map for gamma tubulin ring complex capped microtubule.
Projections & slices

Image control

Size
Brightness
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Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.32 Å/pix.
x 360 pix.
= 475.2 Å		1.32 Å/pix.
x 360 pix.
= 475.2 Å		1.32 Å/pix.
x 360 pix.
= 475.2 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.32 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.004
Minimum - Maximum-0.008616317 - 0.02228468
Average (Standard dev.)0.0004969862 (±0.0019927311)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 475.2 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: Half map for gamma tubulin ring complex capped microtubule.

Fileemd_43482_half_map_1.map
AnnotationHalf map for gamma tubulin ring complex capped microtubule.
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half map for gamma tubulin ring complex capped microtubule.

Fileemd_43482_half_map_2.map
AnnotationHalf map for gamma tubulin ring complex capped microtubule.
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Gamma tubulin ring complex bound to microtubule minus end

EntireName: Gamma tubulin ring complex bound to microtubule minus end
Components
  • Complex: Gamma tubulin ring complex bound to microtubule minus end
    • Protein or peptide: Tubulin alpha-1B chain
    • Protein or peptide: Tubulin beta-3 chain
    • Protein or peptide: TUBGCP6 protein
    • Protein or peptide: Gamma-tubulin complex component 3
    • Protein or peptide: Mitotic-spindle organizing protein 1
    • Protein or peptide: Actin, cytoplasmic 1
    • Protein or peptide: Isoform 3 of Gamma-tubulin complex component 2
    • Protein or peptide: Isoform 2 of Gamma-tubulin complex component 4
    • Protein or peptide: Gamma-tubulin complex component 5
    • Protein or peptide: Tubulin gamma-1 chain

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Supramolecule #1: Gamma tubulin ring complex bound to microtubule minus end

SupramoleculeName: Gamma tubulin ring complex bound to microtubule minus end
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Tubulin alpha-1B chain

MacromoleculeName: Tubulin alpha-1B chain / type: protein_or_peptide / ID: 1 / Number of copies: 13 / Enantiomer: LEVO
EC number: Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 51.019297 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MRECISIHVG QAGVQIGNAC WELYCLEHGI QPDGQMPSDK TIHHHHHHGG GDDSFNTFFS ETGAGKHVPR AVFVDLEPTV IDEVRTGTY RQLFHPEQLI TGKEDAANNY ARGHYTIGKE IIDLVLDRIR KLADQCTGLQ GFLVFHSFGG GTGSGFTSLL M ERLSVDYG ...String:
MRECISIHVG QAGVQIGNAC WELYCLEHGI QPDGQMPSDK TIHHHHHHGG GDDSFNTFFS ETGAGKHVPR AVFVDLEPTV IDEVRTGTY RQLFHPEQLI TGKEDAANNY ARGHYTIGKE IIDLVLDRIR KLADQCTGLQ GFLVFHSFGG GTGSGFTSLL M ERLSVDYG KKSKLEFSIY PAPQVSTAVV EPYNSILTTH TTLEHSDCAF MVDNEAIYDI CRRNLDIERP TYTNLNRLIS QI VSSITAS LRFDGALNVD LTDFQTNLVP YPRIHFPLAT YAPVISAEKA YHEQLSVAEI TNACFEPANQ MVKCDPRHGK YMA CCLLYR GDVVPKDVNA AIATIKTKRS IQFVDWCPTG FKVGINYQPP TVVPGGDLAK VQRAVCMLSN TTAIAEAWAR LDHK FDLMY AKRAFVHWYV GEGMEEGEFS EAREDMAALE KDYEEVGVDS VEGEGEEEGE EY

UniProtKB: Tubulin alpha-1B chain

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Macromolecule #2: Tubulin beta-3 chain

MacromoleculeName: Tubulin beta-3 chain / type: protein_or_peptide / ID: 2 / Number of copies: 13 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 51.276367 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MREIVHIQAG QCGNQIGAKF WEVISDEHGI DPSGNYVGDS DLQLERISVY YNEASSHKYV PRAILVDLEP GTMDSVRSGA FGHLFRPDN FIFGQSGAGN NWAKGHYTEG AELVDSVLDV VRKECENCDC LQGFQLTHSL GGGTGSGMGT LLISKVREEY P DRIMNTFS ...String:
MREIVHIQAG QCGNQIGAKF WEVISDEHGI DPSGNYVGDS DLQLERISVY YNEASSHKYV PRAILVDLEP GTMDSVRSGA FGHLFRPDN FIFGQSGAGN NWAKGHYTEG AELVDSVLDV VRKECENCDC LQGFQLTHSL GGGTGSGMGT LLISKVREEY P DRIMNTFS VVPSPKVSDT VVEPYNATLS IHQLVENTDE TYCIDNEALY DICFRTLKLA TPTYGDLNHL VSATMSGVTT SL RFPGQLN ADLRKLAVNM VPFPRLHFFM PGFAPLTARG SQQYRALTVP ELTQQMFDAK NMMAACDPRH GRYLTVATVF RGR MSMKEV DEQMLAIQSK NSSYFVEWIP NNVKVAVCDI PPRGLKMSST FIGNSTAIQE LFKRISEQFT AMFRRKAFLH WYTG EGMDE MEFTEAESNM NDLVSEYQQY QDATAEEEGE MYEDDEEESE AQGPKENLYF Q

UniProtKB: Tubulin beta-3 chain

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Macromolecule #3: TUBGCP6 protein

MacromoleculeName: TUBGCP6 protein / type: protein_or_peptide / ID: 3 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 199.732516 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MASITQLFDD LCEALLPAAK THLGQRSVNR KRAKRSLKKV AYNALFTNLF QDETQQLQPD MSKLPARNKI LMLSFDLRVG GLGPKADRL EELVEELEAA PCCPLLEVGS VLDLLVQLAG SGPPQVLPRK RDYFLNNKHV GRNVPYSGYD CDDLSVFEMD V QSLISREE ...String:
MASITQLFDD LCEALLPAAK THLGQRSVNR KRAKRSLKKV AYNALFTNLF QDETQQLQPD MSKLPARNKI LMLSFDLRVG GLGPKADRL EELVEELEAA PCCPLLEVGS VLDLLVQLAG SGPPQVLPRK RDYFLNNKHV GRNVPYSGYD CDDLSVFEMD V QSLISREE CLCHSMIQET LQVMEAAPGT GLPTVGLFSF GDPCGDRFER DTRVSLFGAL VHSRTYDMDV RLGLPPVPDN AD LSGLAIK VPPSVDQWED EGFQSASNLT PDSQSEPSVT PDVDLWEAAL TYEASKRRCW ERVGCPPGHR EEPYLTEAGR DAF DKFCRL HQGELQLLAG GVLQAPQPVL VKECELVKDV LNVLIGVVSA TFSLCQPAQA FVVKRGVHVS GASPESISSL LSEV AEYGT CYTRLSHFSL QPVLDSLYSK GLVFQAFTSG LRRYLQYYRA CVLSTPPTLS LLTIGFLFKK LGRQLRYLAE LCGVG AVLP GTCGGGPRAA FPTGVKLLSY LYQEALHNCS NEHYPVLLSL LKTSCEPYTR FIHDWVYSGV FRDAYGEFMI QVNHEY LSF RDKLYWTHGY VLISKEVEDC VPVFLKHIAH DIYVCGKTIN LLKLCCPRHY LCWSDVPVPR ISVIFSLEEL KEIEKDC AV YVGRMERVAR HSSVSKEEKE LRMEIAKQEL IAHAREAASR VLSALSDRQM SERMALDARK REQFQRLKEQ FVKDQERR Q AARQEELDDD FSYARELRDR ERRLKSLEEE LERKASKLSA EAARREQKAL WRIQRHRLES ARLRFLLEDE KHIQEMLKA VSEAHQPQEP PDVLLSVHPQ VTSPGPEHPE GGQGCDSGSA EQHSPAWDGW NRPGLLTPQP LKPLAVGAGG RGLQQAEGAR PFSDSLSIG DFLPVGPGAE PSVQTGMVPL LEVALQTINL DLPPSAPGEA PAAASTQPSR PQEYDFSTVL RPAVATSPAP G PLQAAECS LGSSGLQLWE DSCGKMDACG SASRETLLPS HPPRRAALEE GSSQPTERLF GQVSGGGLPT GDYASEIAPT RP RWNTHGH VSDASIRVGE NVSDVAPTQP RWNTHGHVSN ASISLGESVS DVAPTRPRWN IHGHVSNASI RVGENVSDVA PTR PRWNTH GHVSNASIRV GENVSDVAPT RPRWNTHGHV SDASISLGES VSDMAPARPR WNTHGHVSDA SISLGESVSD MAPT RPRWN THGHVSDTSI RVGENVSDVA PIRSRCNTHG HVSDASISLG EPVSDVVSTR PRWNTHVPIP PPHMVLGALS PEAEP NTPR PQQSPPGHTS QSALSLGAQS AVLDCGPRLP VEVGPSLSSP SSGCGEGSIS VGENVSDVAP TQPWWPNTPG DSVSEE LGP GRSGDTEDLS PNWPLNSQED TAAQSSPGRG EEAEASAAEA QGGEQAYLAG LAGQYHLERY PDSYESMSEP PIAHLLR PV LPRAFAFPVD PQVQSAADET AVQLSELLTL PVLMKRSITA PLAAHISLVN KAAVDYFFVE LHLEAHYEAL RHFLLMED G EFAQSLSDLL FEKLGAGQTP GELLNPLVLN SVLSKALQCS LHGDTPHASN LSLALKYLPE VFAPNAPDVL SCLELRYKV DWPLNIVITE GCLSKYSGVF SFLLQLKLMM WALKDVCFHL KRTALLSHMA GSVQFRQLQL FKHEMQHFVK VIQGYIANQI LHVTWCEFR ARLATVGDLE EIQRAHAEYL HEAVFRGLLT EKAAPVMNVI HSIFSLVLKF RSQLISQAWG PPGGPRGAEH P NFALMQQS YNTFKYYSHF LFKVVTKLVN RGYQPHLEDF LLRINFNNYY QDA

UniProtKB: Gamma-tubulin complex component 6

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Macromolecule #4: Gamma-tubulin complex component 3

MacromoleculeName: Gamma-tubulin complex component 3 / type: protein_or_peptide / ID: 4 / Number of copies: 6 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 103.710102 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MATPDQKSPN VLLQNLCCRI LGRSEADVAQ QFQYAVRVIG SNFAPTVERD EFLVAEKIKK ELIRQRREAD AALFSELHRK LHSQGVLKN KWSILYLLLS LSEDPRRQPS KVSSYATLFA QALPRDAHST PYYYARPQTL PLSYQDRSAQ SAQSSGSVGS S GISSIGLC ...String:
MATPDQKSPN VLLQNLCCRI LGRSEADVAQ QFQYAVRVIG SNFAPTVERD EFLVAEKIKK ELIRQRREAD AALFSELHRK LHSQGVLKN KWSILYLLLS LSEDPRRQPS KVSSYATLFA QALPRDAHST PYYYARPQTL PLSYQDRSAQ SAQSSGSVGS S GISSIGLC ALSGPAPAPQ SLLPGQSNQA PGVGDCLRQQ LGSRLAWTLT ANQPSSQATT SKGVPSAVSR NMTRSRREGD TG GTMEITE AALVRDILYV FQGIDGKNIK MNNTENCYKV EGKANLSRSL RDTAVRLSEL GWLHNKIRRY TDQRSLDRSF GLV GQSFCA ALHQELREYY RLLSVLHSQL QLEDDQGVNL GLESSLTLRR LLVWTYDPKI RLKTLAALVD HCQGRKGGEL ASAV HAYTK TGDPYMRSLV QHILSLVSHP VLSFLYRWIY DGELEDTYHE FFVASDPTVK TDRLWHDKYT LRKSMIPSFM TMDQS RKVL LIGKSINFLH QVCHDQTPTT KMIAVTKSAE SPQDAADLFT DLENAFQGKI DAAYFETSKY LLDVLNKKYS LLDHMQ AMR RYLLLGQGDF IRHLMDLLKP ELVRPATTLY QHNLTGILET AVRATNAQFD SPEILRRLDV RLLEVSPGDT GWDVFSL DY HVDGPIATVF TRECMSHYLR VFNFLWRAKR MEYILTDIRK GHMCNAKLLR NMPEFSGVLH QCHILASEMV HFIHQMQY Y ITFEVLECSW DELWNKVQQA QDLDHIIAAH EVFLDTIISR CLLDSDSRAL LNQLRAVFDQ IIELQNAQDA IYRAALEEL QRRLQFEEKK KQREIEGQWG VTAAEEEEEN KRIGEFKESI PKMCSQLRIL THFYQGIVQQ FLVLLTTSSD ESLRFLSFRL DFNEHYKAR EPRLRVSLGT RGRRSSHT

UniProtKB: Gamma-tubulin complex component 3

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Macromolecule #5: Mitotic-spindle organizing protein 1

MacromoleculeName: Mitotic-spindle organizing protein 1 / type: protein_or_peptide / ID: 5 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8.485724 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
MASSSGAGAA AAAAAANLNA VRETMDVLLE ISRILNTGLD METLSICVRL CEQGINPEAL SSVIKELRKA TEALKAAENM TS

UniProtKB: Mitotic-spindle organizing protein 1

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Macromolecule #6: Actin, cytoplasmic 1

MacromoleculeName: Actin, cytoplasmic 1 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 41.78266 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MDDDIAALVV DNGSGMCKAG FAGDDAPRAV FPSIVGRPRH QGVMVGMGQK DSYVGDEAQS KRGILTLKYP IEHGIVTNWD DMEKIWHHT FYNELRVAPE EHPVLLTEAP LNPKANREKM TQIMFETFNT PAMYVAIQAV LSLYASGRTT GIVMDSGDGV T HTVPIYEG ...String:
MDDDIAALVV DNGSGMCKAG FAGDDAPRAV FPSIVGRPRH QGVMVGMGQK DSYVGDEAQS KRGILTLKYP IEHGIVTNWD DMEKIWHHT FYNELRVAPE EHPVLLTEAP LNPKANREKM TQIMFETFNT PAMYVAIQAV LSLYASGRTT GIVMDSGDGV T HTVPIYEG YALPHAILRL DLAGRDLTDY LMKILTERGY SFTTTAEREI VRDIKEKLCY VALDFEQEMA TAASSSSLEK SY ELPDGQV ITIGNERFRC PEALFQPSFL GMESCGIHET TFNSIMKCDV DIRKDLYANT VLSGGTTMYP GIADRMQKEI TAL APSTMK IKIIAPPERK YSVWIGGSIL ASLSTFQQMW ISKQEYDESG PSIVHRKCF

UniProtKB: Actin, cytoplasmic 1

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Macromolecule #7: Isoform 3 of Gamma-tubulin complex component 2

MacromoleculeName: Isoform 3 of Gamma-tubulin complex component 2 / type: protein_or_peptide / ID: 7 / Number of copies: 5 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 105.5815 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MSEFRIHHDV NELLSLLRVH GGDGAEVYID LLQKNRTPYV TTTVSAHSAK VKIAEFSRTP EDFLKKYDEL KSKNTRNLDP LVYLLSKLT EDKETLQYLQ QNAKERAELA AAAVGSSTTS INVPAAASKI SMQELEELRK QLGSVATGST LQQSLELKRK M LRDKQNKK ...String:
MSEFRIHHDV NELLSLLRVH GGDGAEVYID LLQKNRTPYV TTTVSAHSAK VKIAEFSRTP EDFLKKYDEL KSKNTRNLDP LVYLLSKLT EDKETLQYLQ QNAKERAELA AAAVGSSTTS INVPAAASKI SMQELEELRK QLGSVATGST LQQSLELKRK M LRDKQNKK NSGQHLPIFP AWVYERPALI GDFLIGAGIS TDTALPIVLL GWSLALSPRL KCSGVISAHC GLHLPGTLPL AS QESAVVE DLLYVLVGVD GRYVSAQPLA GRQSRTFLVD PNLDLSIREL VHRILPVAAS YSAVTRFIEE KSSFEYGQVN HAL AAAMRT LVKEHLILVS QLEQLHRQGL LSLQKLWFYI QPAMRTMDIL ASLATSVDKG ECLGGSTLSL LHDRSFSYTG DSQA QELCL YLTKAASAPY FEVLEKWIYR GIIHDPYSEF MVEEHELRKE RIQEDYNDKY WDQRYTIVQQ QIPSFLQKMA DKILS TGKY LNVVRECGHD VTCPVAKEII YTLKERAYVE QIEKAFNYAS KVLLDFLMEE KELVAHLRSI KRYFLMDQGD FFVHFM DLA EEELRKPVED ITPPRLEALL ELALRMSTAN TDPFKDDLKI DLMPHDLITQ LLRVLAIETK QEKAMAHADP TELALSG LE AFSFDYIVKW PLSLIINRKA LTRYQMLFRH MFYCKHVERQ LCSVWISNKT AKQHSLHSAQ WFAGAFTLRQ RMLNFVQN I QYYMMFEVME PTWHILEKNL KSASNIDDVL GHHTGFLDTC LKDCMLTNPE LLKVFSKLMS VCVMFTNCMQ KFTQSMKLD GELGGQTLEH STVLGLPAGA EERARKELAR KHLAEHADTV QLVSGFEATI NKFDKNFSAH LLDLLARLSI YSTSDCEHGM ASVISRLDF NGFYTERLER LSAERSQKAT PQVPVLRGPP APAPRVAVTA Q

UniProtKB: Gamma-tubulin complex component 2

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Macromolecule #8: Isoform 2 of Gamma-tubulin complex component 4

MacromoleculeName: Isoform 2 of Gamma-tubulin complex component 4 / type: protein_or_peptide / ID: 8 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 76.108898 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MIHELLLALS GYPGSIFTWN KRSGLQVSQD FPFLHPSETS VLNRLCRLGT DYIRFTEFIE QYTGHVQQQD HHPSQQGQGG LHGIYLRAF CTGLDSVLQP YRQALLDLEQ EFLGDPHLSI SHVNYFLDQF QLLFPSVMVV VEQIKSQKIH GCQILETVYK H SCGGLPPV ...String:
MIHELLLALS GYPGSIFTWN KRSGLQVSQD FPFLHPSETS VLNRLCRLGT DYIRFTEFIE QYTGHVQQQD HHPSQQGQGG LHGIYLRAF CTGLDSVLQP YRQALLDLEQ EFLGDPHLSI SHVNYFLDQF QLLFPSVMVV VEQIKSQKIH GCQILETVYK H SCGGLPPV RSALEKILAV CHGVMYKQLS AWMLHGLLLD QHEEFFIKQG PSSGNVSAQP EEDEEDLGIG GLTGKQLREL QD LRLIEEE NMLAPSLKQF SLRVEILPSY IPVRVAEKIL FVGESVQMFE NQNVNLTRKG SILKNQEDTF AAELHRLKQQ PLF SLVDFE QVVDRIRSTV AEHLWKLMVE ESDLLGQLKI IKDFYLLGRG ELFQAFIDTA QHMLKTPPTA VTEHDVNVAF QQSA HKVLL DDDNLLPLLH LTIEYHGKEH KDATQAREGP SRETSPREAP ASGWAALGLS YKVQWPLHIL FTPAVLEKYN VVFKY LLSV RRVQAELQHC WALQMQRKHL KSNQTDAIKW RLRNHMAFLV DNLQYYLQVD VLESQFSQLL HQINSTRDFE SIRLAH DHF LSNLLAQSFI LLKPVFHCLN EILDLCHSFC SLVSQNLGPL DERGAAQLSI LVKGFSRQSS LLFKILSSVR NHQINSD LA QLLLRLDYNK YYTQAGGTLG SFGM

UniProtKB: Gamma-tubulin complex component 4

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Macromolecule #9: Gamma-tubulin complex component 5

MacromoleculeName: Gamma-tubulin complex component 5 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 118.367406 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MARHGPPWSR LDAQQERDVR ELVRGVAGLQ DEADPNFQLA LNFAWSNFRF HRFLDVNSHK IEKTIEGIYE KFVIHSDLSK AASWKRLTE EFLNAPLPSI KEIKTDAHYS ILSLLLCLSD SPSNSSYVET PRNKEVEKKD DFDWGKYLME DEEMDIGPYM D TPNWSEES ...String:
MARHGPPWSR LDAQQERDVR ELVRGVAGLQ DEADPNFQLA LNFAWSNFRF HRFLDVNSHK IEKTIEGIYE KFVIHSDLSK AASWKRLTE EFLNAPLPSI KEIKTDAHYS ILSLLLCLSD SPSNSSYVET PRNKEVEKKD DFDWGKYLME DEEMDIGPYM D TPNWSEES EEENDQQPLS REDSGIQVDR TPLEEQDQNG KLDPCISWKD EPDDRSWLEH HVVHQYWTAR PSQFPHSLHL HS NLAAVWD QHLYSSDPLY VPDDRVLVTE TQVIRETLWL LSGVKKLFIF QLIDGKVTVR NNIIVTHLTH SCLRSVLEQI AAY GQVVFR LQEFIDEVMG HSSESMLPGS GSVPKKSTEA PFRTYQAFMW ALYKYFISFK EELAEIEKCI INNDTTITLA IVVD KLAPR LSQLKVLHKV FSTGVAEVPP DTRNVVRASH LLNTLYKAIL EYDNVGEASE QTVSLLFSLW VETVRPYLQT VDEWI VHGH LWDGAREFII QRNKNVPVNH RDFWYATYTL YSVSEKTENE EKMSDNASAS SGSDQGPSSR QHTMVSFLKP VLKQII MAG KSMQLLKNLQ CAESTTCQAG ARDAERKSLY TLFLESVQSR LRHGEDSTPQ VLTEQQATKE NLMKMQSIAE SHLELDD VH DPLLAINFAR MYLEQSDFHE KFAGGDVCVD RSSESVTCQT FELTLRSCLY PHIDKQYLDC CGNLMQTLKK DYRLVEYL Q AMRNFFLMEG GDTMYDFYTS IFDKIREKET WQNVSFLNVQ LQEAVGQRYP EDSSRLSISF ENVDTAKKKL PVHILDGLT LSYKVPWPVD IVISLECQKI YNQVFLLLLQ IKWAKYSLDV LLFGELVSTA EKPRLKEGLI HEQDTVAQFG PQKEPVRQQI HRMFLLRVK LMHFVNSLHN YIMTRILHST GLEFQHQVEE AKDLDQLIKI HYRYLSTIHD RCLLREKVSF VKEAIMKVLN L ALMFADGW QAGLGTWRME SIEKMESDFK NCHMFLVTIL NKAVCRGSFP HLESLALSLM AGMEQS

UniProtKB: Gamma-tubulin complex component 5

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Macromolecule #10: Tubulin gamma-1 chain

MacromoleculeName: Tubulin gamma-1 chain / type: protein_or_peptide / ID: 10 / Number of copies: 14 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 52.022617 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MPREIITLQL GQCGNQIGFE FWKQLCAEHG ISPEGIVEEF ATEGTDRKDV FFYQADDEHY IPRAVLLDLE PRVIHSILNS PYAKLYNPE NIYLSEHGGG AGNNWASGFS QGEKIHEDIF DIIDREADGS DSLEGFVLCH SIAGGTGSGL GSYLLERLND R YPKKLVQT ...String:
MPREIITLQL GQCGNQIGFE FWKQLCAEHG ISPEGIVEEF ATEGTDRKDV FFYQADDEHY IPRAVLLDLE PRVIHSILNS PYAKLYNPE NIYLSEHGGG AGNNWASGFS QGEKIHEDIF DIIDREADGS DSLEGFVLCH SIAGGTGSGL GSYLLERLND R YPKKLVQT YSVFPNQDEM SDVVVQPYNS LLTLKRLTQN ADCVVVLDNT ALNRIATDRL HIQNPSFSQI NQLVSTIMSA ST TTLRYPG YMNNDLIGLI ASLIPTPRLH FLMTGYTPLT TDQSVASVRK TTVLDVMRRL LQPKNVMVST GRDRQTNHCY IAI LNIIQG EVDPTQVHKS LQRIRERKLA NFIPWGPASI QVALSRKSPY LPSAHRVSGL MMANHTSISS LFERTCRQYD KLRK REAFL EQFRKEDMFK DNFDEMDTSR EIVQQLIDEY HAATRPDYIS WGTQEQENLY FQ

UniProtKB: Tubulin gamma-1 chain

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 6.8
VitrificationCryogen name: ETHANE / Chamber humidity: 100 %

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.5 µm / Nominal defocus min: 1.5 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

6v6s

Final reconstructionResolution.type: BY AUTHOR / Resolution: 7.7 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 32375
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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Atomic model buiding 1

RefinementProtocol: RIGID BODY FIT
Output model

PDB-8vrj:
Rigid body fitted model for gamma tubulin ring complex capped microtubule

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