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

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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
Water0
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 / Guanosine 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 FIELDBright-field microscopy
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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