[English] 日本語

- PDB-9qvm: Cryo-EM reconstruction of the NEDD1 anchor protein and CDK5RAP2 b... -
+
Open data
-
Basic information
Entry | Database: PDB / ID: 9qvm | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Title | Cryo-EM reconstruction of the NEDD1 anchor protein and CDK5RAP2 bound to the gamma-tubulin ring complex | |||||||||
![]() |
| |||||||||
![]() | STRUCTURAL PROTEIN / Tubulin complex | |||||||||
Function / homology | ![]() microtubule nucleation by interphase microtubule organizing center / gamma-tubulin complex localization / microtubule nucleator activity / positive regulation of norepinephrine uptake / cellular response to cytochalasin B / polar microtubule / bBAF complex / interphase microtubule organizing center / npBAF complex / regulation of transepithelial transport ...microtubule nucleation by interphase microtubule organizing center / gamma-tubulin complex localization / microtubule nucleator activity / positive regulation of norepinephrine uptake / cellular response to cytochalasin B / polar microtubule / bBAF complex / interphase microtubule organizing center / npBAF complex / regulation of transepithelial transport / gamma-tubulin complex / gamma-tubulin ring complex / nBAF complex / brahma complex / mitotic spindle microtubule / morphogenesis of a polarized epithelium / meiotic spindle organization / protein localization to adherens junction / postsynaptic actin cytoskeleton / structural constituent of postsynaptic actin cytoskeleton / Formation of the dystrophin-glycoprotein complex (DGC) / GBAF complex / Formation of annular gap junctions / Tat protein binding / regulation of G0 to G1 transition / Gap junction degradation / Folding of actin by CCT/TriC / Cell-extracellular matrix interactions / dense body / microtubule nucleation / regulation of nucleotide-excision repair / regulation of double-strand break repair / Prefoldin mediated transfer of substrate to CCT/TriC / RSC-type complex / apical protein localization / adherens junction assembly / gamma-tubulin binding / RHOF GTPase cycle / Adherens junctions interactions / non-motile cilium / tight junction / Sensory processing of sound by outer hair cells of the cochlea / Interaction between L1 and Ankyrins / SWI/SNF complex / regulation of mitotic metaphase/anaphase transition / Sensory processing of sound by inner hair cells of the cochlea / positive regulation of T cell differentiation / regulation of norepinephrine uptake / transporter regulator activity / apical junction complex / nitric-oxide synthase binding / positive regulation of double-strand break repair / maintenance of blood-brain barrier / pericentriolar material / NuA4 histone acetyltransferase complex / establishment or maintenance of cell polarity / cortical cytoskeleton / positive regulation of stem cell population maintenance / cell leading edge / Regulation of MITF-M-dependent genes involved in pigmentation / regulation of synaptic vesicle endocytosis / Recycling pathway of L1 / microtubule organizing center / regulation of G1/S transition of mitotic cell cycle / brush border / mitotic sister chromatid segregation / kinesin binding / negative regulation of cell differentiation / EPH-ephrin mediated repulsion of cells / single fertilization / mitotic spindle assembly / RHO GTPases Activate WASPs and WAVEs / positive regulation of myoblast differentiation / RHO GTPases activate IQGAPs / positive regulation of double-strand break repair via homologous recombination / regulation of protein localization to plasma membrane / cytoplasmic microtubule / spindle assembly / cytoplasmic microtubule organization / cytoskeleton organization / EPHB-mediated forward signaling / substantia nigra development / centriole / calyx of Held / 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 / axonogenesis / AURKA Activation by TPX2 / condensed nuclear chromosome / mitotic spindle organization / meiotic cell cycle / Translocation of SLC2A4 (GLUT4) to the plasma membrane / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / adherens junction / positive regulation of cell differentiation / actin filament / FCGR3A-mediated phagocytosis Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 6.8 Å | |||||||||
![]() | Munoz-Hernandez, H. / Xu, Y. / Wieczorek, M. | |||||||||
Funding support | ![]()
| |||||||||
![]() | ![]() Title: Structure of the microtubule-anchoring factor NEDD1 bound to the γ-tubulin ring complex. Authors: Hugo Muñoz-Hernández / Yixin Xu / Aitor Pellicer Camardiel / Daniel Zhang / Allen Xue / Amol Aher / Ellie Walker / Florina Marxer / Tarun M Kapoor / Michal Wieczorek / ![]() ![]() Abstract: The γ-tubulin ring complex (γ-TuRC) is an essential multiprotein assembly that provides a template for microtubule nucleation. The γ-TuRC is recruited to microtubule-organizing centers (MTOCs) by ...The γ-tubulin ring complex (γ-TuRC) is an essential multiprotein assembly that provides a template for microtubule nucleation. The γ-TuRC is recruited to microtubule-organizing centers (MTOCs) by the evolutionarily conserved attachment factor NEDD1. However, the structural basis of the NEDD1-γ-TuRC interaction is not known. Here, we report cryo-EM structures of NEDD1 bound to the human γ-TuRC in the absence or presence of the activating factor CDK5RAP2. We found that the C-terminus of NEDD1 forms a tetrameric α-helical assembly that contacts the lumen of the γ-TuRC cone and orients its microtubule-binding domain away from the complex. The structure of the γ-TuRC simultaneously bound to NEDD1 and CDK5RAP2 reveals that both factors can associate with the "open" conformation of the complex. Our results show that NEDD1 does not induce substantial conformational changes in the γ-TuRC but suggest that anchoring of γ-TuRC-capped microtubules by NEDD1 would be structurally compatible with the significant conformational changes experienced by the γ-TuRC during microtubule nucleation. #1: Journal: bioRxiv / Year: 2024 Title: Structure of the microtubule anchoring factor NEDD1 bound to the γ-tubulin ring complex. Authors: Hugo Muñoz-Hernández / Yixin Xu / Daniel Zhang / Allen Xue / Amol Aher / Aitor Pellicer Camardiel / Ellie Walker / Florina Marxer / Tarun M Kapoor / Michal Wieczorek / ![]() ![]() Abstract: The γ-tubulin ring complex (γ-TuRC) is an essential multiprotein assembly, in which γ-tubulin, GCP2-6, actin, MZT1 and MZT2 form an asymmetric cone-shaped structure that provides a template for ...The γ-tubulin ring complex (γ-TuRC) is an essential multiprotein assembly, in which γ-tubulin, GCP2-6, actin, MZT1 and MZT2 form an asymmetric cone-shaped structure that provides a template for microtubule nucleation. The γ-TuRC is recruited to microtubule organizing centers (MTOCs), such as centrosomes and pre-existing mitotic spindle microtubules, via the evolutionarily-conserved attachment factor NEDD1. NEDD1 contains an N-terminal WD40 domain that binds to microtubules, and a C-terminal domain that associates with the γ-TuRC. However, the structural basis of the NEDD1-γ-TuRC interaction is not known. Here, we report cryo-electron microscopy (cryo-EM) structures of NEDD1 bound to the human γ-TuRC in the absence or presence of the activating factor CDK5RAP2, which interacts with GCP2 to induce conformational changes in the γ-TuRC and promote its microtubule nucleating function. We found that the C-terminus of NEDD1 forms a tetrameric α-helical assembly that contacts the lumen of the γ-TuRC cone, is anchored to GCP4, 5 and 6 via protein modules consisting of MZT1 & GCP3 subcomplexes, and orients its microtubule-binding WD40 domains away from the complex. We biochemically tested our structural models by identifying NEDD1 mutants unable to pull-down -tubulin from cultured cells. The structure of the γ-TuRC simultaneously bound to NEDD1 and CDK5RAP2 reveals that both factors can associate with the "open" conformation of the complex. Our results show that NEDD1 does not induce conformational changes in the γ-TuRC, but suggest that anchoring of γ-TuRC-capped microtubules by NEDD1 would be structurally compatible with the significant conformational changes experienced by the γ-TuRC during microtubule nucleation. | |||||||||
History |
|
-
Structure visualization
Structure viewer | Molecule: ![]() ![]() |
---|
-
Downloads & links
-
Download
PDBx/mmCIF format | ![]() | 2.6 MB | Display | ![]() |
---|---|---|---|---|
PDB format | ![]() | Display | ![]() | |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.9 MB | Display | ![]() |
---|---|---|---|---|
Full document | ![]() | 2 MB | Display | |
Data in XML | ![]() | 327.1 KB | Display | |
Data in CIF | ![]() | 578.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 53399MC ![]() 9qvnC M: map data used to model this data C: citing same article ( |
---|---|
Similar structure data | Similarity search - Function & homology ![]() |
-
Links
-
Assembly
Deposited unit | ![]()
|
---|---|
1 |
|
-
Components
-Gamma-tubulin complex component ... , 3 types, 13 molecules DFHrstuvBNKIJ
#1: Protein | Mass: 103710.102 Da / Num. of mol.: 10 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #6: Protein | Mass: 76179.969 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #9: Protein | | Mass: 118467.547 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
---|
-Mitotic-spindle organizing protein ... , 2 types, 8 molecules OPQRSTUp
#2: Protein | Mass: 8485.724 Da / Num. of mol.: 7 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #10: Protein | | Mass: 16246.650 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
---|
-Protein , 6 types, 27 molecules WXVYZabcefghijklmndGCAEMLxw
#3: Protein | Mass: 72050.984 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #4: Protein | | Mass: 41782.660 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #5: Protein | Mass: 52022.617 Da / Num. of mol.: 14 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #7: Protein | Mass: 105765.719 Da / Num. of mol.: 5 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #8: Protein | | Mass: 199732.516 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #11: Protein | Mass: 189905.844 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
---|
-Details
Has protein modification | N |
---|
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
---|---|
EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-
Sample preparation
Component | Name: Cryo-EM reconstruction of the NEDD1 and CDK5RAP2 bound to the gamma-tubulin ring complex Type: COMPLEX / Entity ID: all / Source: RECOMBINANT |
---|---|
Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() |
Buffer solution | pH: 7.5 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Specimen support | Grid type: PELCO Ultrathin Carbon with Lacey Carbon |
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE-PROPANE |
-
Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
---|---|
Microscopy | Model: TFS KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 130000 X / Nominal defocus max: 2400 nm / Nominal defocus min: 800 nm / Alignment procedure: COMA FREE |
Specimen holder | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Electron dose: 62 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
EM imaging optics | Energyfilter name: GIF Bioquantum / Energyfilter slit width: 20 eV |
-
Processing
EM software |
| ||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CTF correction | Type: NONE | ||||||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 6.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 71778 / Symmetry type: POINT | ||||||||||||||||||||||||||||||||||||
Atomic model building | Protocol: RIGID BODY FIT / Space: REAL | ||||||||||||||||||||||||||||||||||||
Atomic model building | Source name: AlphaFold / Type: in silico model | ||||||||||||||||||||||||||||||||||||
Refinement | Highest resolution: 6.8 Å Stereochemistry target values: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS) | ||||||||||||||||||||||||||||||||||||
Refine LS restraints |
|