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 / polar microtubule / positive regulation of norepinephrine uptake / interphase microtubule organizing center / gamma-tubulin complex / gamma-tubulin ring complex / mitotic spindle microtubule / cellular response to cytochalasin B ...microtubule nucleation by interphase microtubule organizing center / gamma-tubulin complex localization / microtubule nucleator activity / polar microtubule / positive regulation of norepinephrine uptake / interphase microtubule organizing center / gamma-tubulin complex / gamma-tubulin ring complex / mitotic spindle microtubule / 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 / 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 / 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 / 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 / Sensory processing of sound by outer hair cells of the cochlea / single fertilization / tight junction / Sensory processing of sound by inner hair cells of the cochlea / regulation of mitotic metaphase/anaphase transition / positive regulation of T cell differentiation / maintenance of blood-brain barrier / Interaction between L1 and Ankyrins / apical junction complex / regulation of nucleotide-excision repair / positive regulation of stem cell population maintenance / 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 / brush border / 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 / positive regulation of double-strand break repair via homologous recombination / spindle assembly / cytoplasmic microtubule / regulation of G1/S transition of mitotic cell cycle / 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 / Anchoring of the basal body to the plasma membrane / substantia nigra development / AURKA Activation by TPX2 / calyx of Held / cell motility / nitric-oxide synthase regulator activity / mitotic spindle organization / condensed nuclear chromosome / brain development / FCGR3A-mediated phagocytosis / Translocation of SLC2A4 (GLUT4) to the plasma membrane / actin filament / positive regulation of cell differentiation 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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