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- PDB-7as4: Recombinant human gTuRC -

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Basic information

Entry
Database: PDB / ID: 7as4
TitleRecombinant human gTuRC
Components
  • (Gamma-tubulin complex component ...) x 5
  • Actin, cytoplasmic 1
  • Mitotic-spindle organizing protein 1
  • Tubulin gamma-1 chain
KeywordsCELL CYCLE / microtubule organizing center / microtubule / gamma-tubulin ring complex / gamma-tubulin small complex / spindle organization / microtubule nucleation
Function / homology
Function and homology information


microtubule nucleation by interphase microtubule organizing center / gamma-tubulin complex localization / microtubule nucleator activity / positive regulation of norepinephrine uptake / bBAF complex / polar microtubule / GBAF complex / interphase microtubule organizing center / gamma-tubulin complex / meiotic spindle organization ...microtubule nucleation by interphase microtubule organizing center / gamma-tubulin complex localization / microtubule nucleator activity / positive regulation of norepinephrine uptake / bBAF complex / polar microtubule / GBAF complex / interphase microtubule organizing center / gamma-tubulin complex / meiotic spindle organization / gamma-tubulin ring complex / brahma complex / mitotic spindle microtubule / cellular response to cytochalasin B / Formation of the embryonic stem cell BAF (esBAF) complex / npBAF complex / nBAF complex / regulation of transepithelial transport / microtubule nucleation / Formation of the canonical BAF (cBAF) complex / 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 / protein localization to adherens junction / Formation of neuronal progenitor and neuronal BAF (npBAF and nBAF) / Formation of the non-canonical BAF (ncBAF) complex / Cell-extracellular matrix interactions / regulation of G0 to G1 transition / dense body / RSC-type complex / Folding of actin by CCT/TriC / Tat protein binding / gamma-tubulin binding / postsynaptic actin cytoskeleton / Regulation of CDH1 Function / non-motile cilium / apical protein localization / regulation of double-strand break repair / Prefoldin mediated transfer of substrate to CCT/TriC / Adherens junctions interactions / adherens junction assembly / RHOF GTPase cycle / regulation of nucleotide-excision repair / Sensory processing of sound by outer hair cells of the cochlea / single fertilization / tight junction / SWI/SNF complex / Sensory processing of sound by inner hair cells of the cochlea / regulation of mitotic metaphase/anaphase transition / Interaction between L1 and Ankyrins / positive regulation of T cell differentiation / apical junction complex / maintenance of blood-brain barrier / positive regulation of stem cell population maintenance / NuA4 histone acetyltransferase complex / pericentriolar material / regulation of norepinephrine uptake / transporter regulator activity / positive regulation of double-strand break repair / Recycling pathway of L1 / cell leading edge / cortical cytoskeleton / Regulation of MITF-M-dependent genes involved in pigmentation / establishment or maintenance of cell polarity / mitotic sister chromatid segregation / microtubule organizing center / nitric-oxide synthase binding / brush border / mitotic spindle assembly / EPH-ephrin mediated repulsion of cells / regulation of synaptic vesicle endocytosis / negative regulation of cell differentiation / positive regulation of myoblast differentiation / RHO GTPases Activate WASPs and WAVEs / kinesin binding / regulation of protein localization to plasma membrane / RHO GTPases activate IQGAPs / positive regulation of double-strand break repair via homologous recombination / cytoplasmic microtubule / regulation of G1/S transition of mitotic cell cycle / spindle assembly / axonogenesis / cytoskeleton organization / cytoplasmic microtubule organization / EPHB-mediated forward signaling / Loss of Nlp from mitotic centrosomes / Loss of proteins required for interphase microtubule organization from the centrosome / Recruitment of mitotic centrosome proteins and complexes / centriole / Recruitment of NuMA to mitotic centrosomes / substantia nigra development / Anchoring of the basal body to the plasma membrane / AURKA Activation by TPX2 / calyx of Held / nitric-oxide synthase regulator activity / mitotic spindle organization / condensed nuclear chromosome
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 / 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
GUANOSINE-5'-DIPHOSPHATE / Tubulin gamma-1 chain / Actin, cytoplasmic 1 / Mitotic-spindle organizing protein 1 / Gamma-tubulin complex component 3 / Gamma-tubulin complex component 6 / Gamma-tubulin complex component 5 / Gamma-tubulin complex component 2 / Gamma-tubulin complex component 4
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.13 Å
AuthorsSerna, M. / Fernandez-Leiro, R. / Llorca, O.
Funding support Spain, 3items
OrganizationGrant numberCountry
Spanish Ministry of Science, Innovation, and UniversitiesSAF2017-82632-P Spain
Other governmentY2018/BIO4747 Spain
Other governmentP2018/NMT4443 Spain
CitationJournal: Sci Adv / Year: 2020
Title: Assembly of the asymmetric human γ-tubulin ring complex by RUVBL1-RUVBL2 AAA ATPase.
Authors: Fabian Zimmermann / Marina Serna / Artur Ezquerra / Rafael Fernandez-Leiro / Oscar Llorca / Jens Luders /
Abstract: The microtubule nucleator γ-tubulin ring complex (γTuRC) is essential for the function of microtubule organizing centers such as the centrosome. Since its discovery over two decades ago, γTuRC has ...The microtubule nucleator γ-tubulin ring complex (γTuRC) is essential for the function of microtubule organizing centers such as the centrosome. Since its discovery over two decades ago, γTuRC has evaded in vitro reconstitution and thus detailed structure-function studies. Here, we show that a complex of RuvB-like protein 1 (RUVBL1) and RUVBL2 "RUVBL" controls assembly and composition of γTuRC in human cells. Likewise, RUVBL assembles γTuRC from a minimal set of core subunits in a heterologous coexpression system. RUVBL interacts with γTuRC subcomplexes but is not part of fully assembled γTuRC. Purified, reconstituted γTuRC has nucleation activity and resembles native γTuRC as revealed by its cryo-electron microscopy (cryo-EM) structure at ~4.0-Å resolution. We further use cryo-EM to identify features that determine the intricate, higher-order γTuRC architecture. Our work finds RUVBL as an assembly factor that regulates γTuRC in cells and allows production of recombinant γTuRC for future in-depth mechanistic studies.
History
DepositionOct 26, 2020Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jan 20, 2021Provider: repository / Type: Initial release
Revision 1.1May 1, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

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Assembly

Deposited unit
1: Tubulin gamma-1 chain
2: Tubulin gamma-1 chain
3: Gamma-tubulin complex component 3
4: Gamma-tubulin complex component 6
5: Mitotic-spindle organizing protein 1
6: Mitotic-spindle organizing protein 1
7: Actin, cytoplasmic 1
A: Gamma-tubulin complex component 2
B: Gamma-tubulin complex component 3
C: Gamma-tubulin complex component 2
D: Gamma-tubulin complex component 3
E: Gamma-tubulin complex component 2
F: Gamma-tubulin complex component 3
G: Gamma-tubulin complex component 2
H: Gamma-tubulin complex component 3
I: Gamma-tubulin complex component 4
J: Gamma-tubulin complex component 5
K: Gamma-tubulin complex component 4
L: Gamma-tubulin complex component 6
M: Gamma-tubulin complex component 2
N: Gamma-tubulin complex component 3
O: Tubulin gamma-1 chain
P: Tubulin gamma-1 chain
Q: Tubulin gamma-1 chain
R: Tubulin gamma-1 chain
S: Tubulin gamma-1 chain
T: Tubulin gamma-1 chain
U: Tubulin gamma-1 chain
V: Tubulin gamma-1 chain
W: Tubulin gamma-1 chain
X: Tubulin gamma-1 chain
Y: Tubulin gamma-1 chain
Z: Tubulin gamma-1 chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,583,16847
Polymers2,576,96333
Non-polymers6,20514
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: mass spectrometry
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Protein , 3 types, 17 molecules 12OPQRSTUVWXYZ567

#1: Protein
Tubulin gamma-1 chain / Gamma-1-tubulin / Gamma-tubulin complex component 1 / GCP-1


Mass: 50741.297 Da / Num. of mol.: 14
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TUBG1, TUBG / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P23258
#4: Protein Mitotic-spindle organizing protein 1 / Mitotic-spindle organizing protein associated with a ring of gamma-tubulin 1


Mass: 8485.724 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: MZT1, C13orf37, MOZART1 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q08AG7
#5: Protein Actin, cytoplasmic 1 / Beta-actin


Mass: 41723.527 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ACTB / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P60709

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Gamma-tubulin complex component ... , 5 types, 16 molecules 3BDFHN4LACEGMIKJ

#2: Protein
Gamma-tubulin complex component 3 / hGCP3 / Gamma-ring complex protein 104 kDa / hGrip104 / Spindle pole body protein Spc98 homolog / hSpc98


Mass: 103710.102 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TUBGCP3, GCP3 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q96CW5
#3: Protein Gamma-tubulin complex component 6 / GCP-6


Mass: 200733.641 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TUBGCP6, GCP6, KIAA1669 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q96RT7
#6: Protein
Gamma-tubulin complex component 2 / hGCP2 / Gamma-ring complex protein 103 kDa / hGrip103 / Spindle pole body protein Spc97 homolog / hSpc97


Mass: 102666.953 Da / Num. of mol.: 5
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TUBGCP2, GCP2 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q9BSJ2
#7: Protein Gamma-tubulin complex component 4 / hGCP4 / Gamma-ring complex protein 76 kDa / hGrip76


Mass: 76179.969 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TUBGCP4, 76P, GCP4 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q9UGJ1
#8: Protein Gamma-tubulin complex component 5 / GCP-5


Mass: 118467.547 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TUBGCP5, GCP5, KIAA1899 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: Q96RT8

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Non-polymers , 1 types, 14 molecules

#9: Chemical
ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 14 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Comment: GDP, energy-carrying molecule*YM

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Details

Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Recombinant human gamma-tubulin ring complex / Type: COMPLEX / Entity ID: #1-#8 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Spodoptera frugiperda (fall armyworm) / Plasmid: pBIG2
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 58 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 4.13 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 105181 / Symmetry type: POINT

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