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 / positive regulation of norepinephrine uptake / cellular response to cytochalasin B / regulation of transepithelial transport / equatorial microtubule organizing center / morphogenesis of a polarized epithelium / bBAF complex / mitotic spindle microtubule / gamma-tubulin ring complex ...microtubule nucleation by interphase microtubule organizing center / gamma-tubulin complex localization / positive regulation of norepinephrine uptake / cellular response to cytochalasin B / regulation of transepithelial transport / equatorial microtubule organizing center / morphogenesis of a polarized epithelium / bBAF complex / mitotic spindle microtubule / gamma-tubulin ring complex / microtubule minus-end binding / interphase microtubule organizing center / postsynaptic actin cytoskeleton organization / protein localization to adherens junction / postsynaptic actin cytoskeleton / polar microtubule / npBAF complex / gamma-tubulin complex / Tat protein binding / brahma complex / structural constituent of postsynaptic actin cytoskeleton / nBAF complex / GBAF complex / meiotic spindle organization / regulation of G0 to G1 transition / dense body / Formation of annular gap junctions / Gap junction degradation / Cell-extracellular matrix interactions / Folding of actin by CCT/TriC / apical protein localization / regulation of double-strand break repair / microtubule nucleation / regulation of nucleotide-excision repair / adherens junction assembly / Prefoldin mediated transfer of substrate to CCT/TriC / RSC-type complex / RHOF GTPase cycle / gamma-tubulin binding / Adherens junctions interactions / non-motile cilium / tight junction / regulation of norepinephrine uptake / Sensory processing of sound by outer hair cells of the cochlea / regulation of mitotic metaphase/anaphase transition / Interaction between L1 and Ankyrins / Sensory processing of sound by inner hair cells of the cochlea / SWI/SNF complex / positive regulation of double-strand break repair / regulation of synaptic vesicle endocytosis / positive regulation of T cell differentiation / apical junction complex / microtubule organizing center / establishment or maintenance of cell polarity / regulation of cyclin-dependent protein serine/threonine kinase activity / maintenance of blood-brain barrier / cortical cytoskeleton / positive regulation of stem cell population maintenance / NuA4 histone acetyltransferase complex / nitric-oxide synthase binding / pericentriolar material / cell leading edge / Recycling pathway of L1 / regulation of G1/S transition of mitotic cell cycle / cytoplasmic microtubule / kinesin binding / mitotic sister chromatid segregation / brush border / calyx of Held / negative regulation of cell differentiation / positive regulation of double-strand break repair via homologous recombination / mitotic spindle assembly / single fertilization / EPH-ephrin mediated repulsion of cells / RHO GTPases Activate WASPs and WAVEs / RHO GTPases activate IQGAPs / regulation of protein localization to plasma membrane / spindle assembly / positive regulation of myoblast differentiation / cytoplasmic microtubule 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 / Recruitment of NuMA to mitotic centrosomes / Anchoring of the basal body to the plasma membrane / EPHB-mediated forward signaling / substantia nigra development / centriole / AURKA Activation by TPX2 / axonogenesis / mitotic spindle organization / ciliary basal body / meiotic cell cycle / condensed nuclear chromosome / negative regulation of protein binding / Translocation of SLC2A4 (GLUT4) to the plasma membrane / RHO GTPases Activate Formins / cell motility / 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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