Complex: Recombinant human gamma-tubulin ring complex
Protein or peptide: Tubulin gamma-1 chain
Protein or peptide: Gamma-tubulin complex component 3
Protein or peptide: Gamma-tubulin complex component 6
Protein or peptide: Mitotic-spindle organizing protein 1
Protein or peptide: Actin, cytoplasmic 1
Protein or peptide: Gamma-tubulin complex component 2
Protein or peptide: Gamma-tubulin complex component 4
Protein or peptide: Gamma-tubulin complex component 5
Ligand: GUANOSINE-5'-DIPHOSPHATE
Keywords
microtubule organizing center / microtubule / gamma-tubulin ring complex / gamma-tubulin small complex / spindle organization / microtubule nucleation / CELL CYCLE
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 / Regulation of CDH1 Function / Formation of the polybromo-BAF (pBAF) complex / Formation of the canonical BAF (cBAF) complex / Formation of the non-canonical BAF (ncBAF) complex / Formation of the embryonic stem cell BAF (esBAF) complex / Formation of neuronal progenitor and neuronal BAF (npBAF and nBAF) ...microtubule nucleation by interphase microtubule organizing center / gamma-tubulin complex localization / microtubule nucleator activity / positive regulation of norepinephrine uptake / Regulation of CDH1 Function / Formation of the polybromo-BAF (pBAF) complex / Formation of the canonical BAF (cBAF) complex / Formation of the non-canonical BAF (ncBAF) complex / Formation of the embryonic stem cell BAF (esBAF) complex / Formation of neuronal progenitor and neuronal BAF (npBAF and nBAF) / polar microtubule / interphase microtubule organizing center / gamma-tubulin complex / gamma-tubulin ring complex / mitotic spindle microtubule / bBAF complex / cellular response to cytochalasin B / npBAF complex / meiotic spindle organization / nBAF complex / brahma complex / regulation of transepithelial transport / morphogenesis of a polarized epithelium / Formation of annular gap junctions / Formation of the dystrophin-glycoprotein complex (DGC) / structural constituent of postsynaptic actin cytoskeleton / GBAF complex / Gap junction degradation / Folding of actin by CCT/TriC / microtubule nucleation / regulation of G0 to G1 transition / Cell-extracellular matrix interactions / protein localization to adherens junction / dense body / Tat protein binding / postsynaptic actin cytoskeleton / gamma-tubulin binding / Prefoldin mediated transfer of substrate to CCT/TriC / RSC-type complex / regulation of nucleotide-excision repair / regulation of double-strand break repair / non-motile cilium / Adherens junctions interactions / RHOF GTPase cycle / adherens junction assembly / apical protein localization / Sensory processing of sound by inner hair cells of the cochlea / Sensory processing of sound by outer hair cells of the cochlea / Interaction between L1 and Ankyrins / tight junction / SWI/SNF complex / regulation of mitotic metaphase/anaphase transition / positive regulation of T cell differentiation / apical junction complex / positive regulation of double-strand break repair / maintenance of blood-brain barrier / regulation of norepinephrine uptake / nitric-oxide synthase binding / transporter regulator activity / pericentriolar material / cortical cytoskeleton / positive regulation of stem cell population maintenance / establishment or maintenance of cell polarity / NuA4 histone acetyltransferase complex / cell leading edge / Recycling pathway of L1 / Regulation of MITF-M-dependent genes involved in pigmentation / microtubule organizing center / brush border / mitotic sister chromatid segregation / regulation of G1/S transition of mitotic cell cycle / EPH-ephrin mediated repulsion of cells / negative regulation of cell differentiation / mitotic spindle assembly / kinesin binding / RHO GTPases Activate WASPs and WAVEs / regulation of synaptic vesicle endocytosis / positive regulation of myoblast differentiation / single fertilization / RHO GTPases activate IQGAPs / regulation of protein localization to plasma membrane / positive regulation of double-strand break repair via homologous recombination / cytoplasmic microtubule / spindle assembly / cytoplasmic microtubule organization / EPHB-mediated forward signaling / cytoskeleton organization / 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 / substantia nigra development / Recruitment of NuMA to mitotic centrosomes / Anchoring of the basal body to the plasma membrane / axonogenesis / AURKA Activation by TPX2 / calyx of Held / nitric-oxide synthase regulator activity / condensed nuclear chromosome / mitotic spindle organization Similarity search - Function
Spanish Ministry of Science, Innovation, and Universities
SAF2017-82632-P
Spain
Other government
Y2018/BIO4747
Spain
Other government
P2018/NMT4443
Spain
Citation
Journal: 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
Deposition
Oct 26, 2020
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Header (metadata) release
Jan 20, 2021
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Map release
Jan 20, 2021
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Update
May 1, 2024
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Current status
May 1, 2024
Processing site: PDBe / Status: Released
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Structure visualization
Movie
Surface view with section colored by density value
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