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 / polar microtubule / interphase microtubule organizing center / gamma-tubulin complex / gamma-tubulin ring complex / mitotic spindle microtubule / meiotic spindle organization ...microtubule nucleation by interphase microtubule organizing center / gamma-tubulin complex localization / microtubule nucleator activity / positive regulation of norepinephrine uptake / polar microtubule / interphase microtubule organizing center / gamma-tubulin complex / gamma-tubulin ring complex / mitotic spindle microtubule / meiotic spindle organization / bBAF complex / cellular response to cytochalasin B / Formation of the embryonic stem cell BAF (esBAF) complex / npBAF complex / brahma complex / nBAF complex / Formation of the canonical BAF (cBAF) complex / regulation of transepithelial transport / morphogenesis of a polarized epithelium / microtubule nucleation / Formation of the polybromo-BAF (pBAF) complex / Formation of neuronal progenitor and neuronal BAF (npBAF and nBAF) / structural constituent of postsynaptic actin cytoskeleton / Formation of annular gap junctions / Formation of the dystrophin-glycoprotein complex (DGC) / GBAF complex / Gap junction degradation / Formation of the non-canonical BAF (ncBAF) complex / protein localization to adherens junction / regulation of G0 to G1 transition / Cell-extracellular matrix interactions / dense body / Folding of actin by CCT/TriC / Tat protein binding / postsynaptic actin cytoskeleton / gamma-tubulin binding / RSC-type complex / Regulation of CDH1 Function / regulation of double-strand break repair / non-motile cilium / Prefoldin mediated transfer of substrate to CCT/TriC / regulation of nucleotide-excision repair / Adherens junctions interactions / adherens junction assembly / RHOF GTPase cycle / apical protein localization / Sensory processing of sound by outer hair cells of the cochlea / tight junction / regulation of mitotic metaphase/anaphase transition / SWI/SNF complex / Sensory processing of sound by inner hair cells of the cochlea / positive regulation of T cell differentiation / Interaction between L1 and Ankyrins / apical junction complex / single fertilization / maintenance of blood-brain barrier / positive regulation of stem cell population maintenance / regulation of norepinephrine uptake / transporter regulator activity / NuA4 histone acetyltransferase complex / pericentriolar material / positive regulation of double-strand break repair / Recycling pathway of L1 / cell leading edge / Regulation of MITF-M-dependent genes involved in pigmentation / cortical cytoskeleton / ciliary transition zone / establishment or maintenance of cell polarity / microtubule organizing center / mitotic sister chromatid segregation / nitric-oxide synthase binding / brush border / EPH-ephrin mediated repulsion of cells / mitotic spindle assembly / negative regulation of cell differentiation / regulation of synaptic vesicle endocytosis / 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 / cytoplasmic microtubule organization / axonogenesis / cytoskeleton 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 / Recruitment of NuMA to mitotic centrosomes / centriole / 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 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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