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Yorodumi- PDB-6gbu: Crystal structure of the second SH3 domain of FCHSD2 (SH3-2) in c... -
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Basic information
| Entry | Database: PDB / ID: 6gbu | |||||||||
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| Title | Crystal structure of the second SH3 domain of FCHSD2 (SH3-2) in complex with the fourth SH3 domain of ITSN1 (SH3d) | |||||||||
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Keywords | ENDOCYTOSIS / SH3-SH3 complex | |||||||||
| Function / homology | Function and homology informationstereocilium shaft / clathrin-dependent synaptic vesicle endocytosis / positive regulation of Arp2/3 complex-mediated actin nucleation / positive regulation of caveolin-mediated endocytosis / postsynaptic endocytic zone / positive regulation of growth hormone secretion / regulation of actin filament polymerization / regulation of modification of postsynaptic actin cytoskeleton / neuromuscular synaptic transmission / clathrin-dependent endocytosis ...stereocilium shaft / clathrin-dependent synaptic vesicle endocytosis / positive regulation of Arp2/3 complex-mediated actin nucleation / positive regulation of caveolin-mediated endocytosis / postsynaptic endocytic zone / positive regulation of growth hormone secretion / regulation of actin filament polymerization / regulation of modification of postsynaptic actin cytoskeleton / neuromuscular synaptic transmission / clathrin-dependent endocytosis / membrane organization / apical dendrite / postsynaptic actin cytoskeleton / phosphatidylinositol-3,4-bisphosphate binding / proline-rich region binding / regulation of postsynapse organization / regulation of small GTPase mediated signal transduction / anchoring junction / endosomal transport / NRAGE signals death through JNK / intracellular vesicle / positive regulation of dendritic spine development / RHOQ GTPase cycle / positive regulation of actin filament polymerization / exocytosis / phosphatidylinositol-3,4,5-trisphosphate binding / CDC42 GTPase cycle / RHOG GTPase cycle / clathrin-coated pit / EPHB-mediated forward signaling / guanyl-nucleotide exchange factor activity / neuromuscular junction / recycling endosome / intracellular protein localization / nuclear envelope / Cargo recognition for clathrin-mediated endocytosis / G alpha (12/13) signalling events / lamellipodium / protein transport / Clathrin-mediated endocytosis / presynaptic membrane / dendritic spine / molecular adaptor activity / intracellular signal transduction / neuronal cell body / calcium ion binding / glutamatergic synapse / plasma membrane / cytosol / cytoplasm Similarity search - Function | |||||||||
| Biological species | Homo sapiens (human) | |||||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.44 Å | |||||||||
Authors | Almeida-Souza, L. / Frank, R. / Garcia-Nafria, J. / Colussi, A. / Gunawardana, N. / Johnson, C.M. / Yu, M. / Howard, G. / Andrews, B. / Vallis, Y. / McMahon, H.T. | |||||||||
| Funding support | United Kingdom, 2items
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Citation | Journal: Cell / Year: 2018Title: A Flat BAR Protein Promotes Actin Polymerization at the Base of Clathrin-Coated Pits. Authors: Leonardo Almeida-Souza / Rene A W Frank / Javier García-Nafría / Adeline Colussi / Nushan Gunawardana / Christopher M Johnson / Minmin Yu / Gillian Howard / Byron Andrews / Yvonne Vallis / Harvey T McMahon / ![]() Abstract: Multiple proteins act co-operatively in mammalian clathrin-mediated endocytosis (CME) to generate endocytic vesicles from the plasma membrane. The principles controlling the activation and ...Multiple proteins act co-operatively in mammalian clathrin-mediated endocytosis (CME) to generate endocytic vesicles from the plasma membrane. The principles controlling the activation and organization of the actin cytoskeleton during mammalian CME are, however, not fully understood. Here, we show that the protein FCHSD2 is a major activator of actin polymerization during CME. FCHSD2 deletion leads to decreased ligand uptake caused by slowed pit maturation. FCHSD2 is recruited to endocytic pits by the scaffold protein intersectin via an unusual SH3-SH3 interaction. Here, its flat F-BAR domain binds to the planar region of the plasma membrane surrounding the developing pit forming an annulus. When bound to the membrane, FCHSD2 activates actin polymerization by a mechanism that combines oligomerization and recruitment of N-WASP to PI(4,5)P, thus promoting pit maturation. Our data therefore describe a molecular mechanism for linking spatiotemporally the plasma membrane to a force-generating actin platform guiding endocytic vesicle maturation. | |||||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 6gbu.cif.gz | 101.9 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb6gbu.ent.gz | 79 KB | Display | PDB format |
| PDBx/mmJSON format | 6gbu.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 6gbu_validation.pdf.gz | 472.6 KB | Display | wwPDB validaton report |
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| Full document | 6gbu_full_validation.pdf.gz | 478.6 KB | Display | |
| Data in XML | 6gbu_validation.xml.gz | 17.8 KB | Display | |
| Data in CIF | 6gbu_validation.cif.gz | 23.8 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/gb/6gbu ftp://data.pdbj.org/pub/pdb/validation_reports/gb/6gbu | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 4371C ![]() 1ue9S ![]() 2dl7S S: Starting model for refinement C: citing same article ( |
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| Similar structure data |
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Assembly
| Deposited unit | ![]()
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| Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments:
NCS ensembles :
NCS oper:
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Components
| #1: Protein | Mass: 7048.674 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: FCHSD2, KIAA0769, SH3MD3 / Production host: ![]() #2: Protein | Mass: 7253.449 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: ITSN1, ITSN, SH3D1A / Production host: ![]() Has protein modification | Y | |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 4.76 Å3/Da / Density % sol: 74.17 % |
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| Crystal grow | Temperature: 291 K / Method: vapor diffusion, sitting drop / pH: 8.5 / Details: 0.5M ammonium sulfate, 10% Glycerol, Tris pH8.5 |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I04-1 / Wavelength: 0.92 Å |
| Detector | Type: DECTRIS PILATUS 6M-F / Detector: PIXEL / Date: Feb 22, 2016 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.92 Å / Relative weight: 1 |
| Reflection | Resolution: 3.44→132.2 Å / Num. obs: 13008 / % possible obs: 99.4 % / Redundancy: 8.4 % / Rmerge(I) obs: 0.053 / Net I/σ(I): 27.1 |
| Reflection shell | Resolution: 3.44→3.53 Å |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 2DL7, 1UE9 Resolution: 3.44→132.2 Å / Cor.coef. Fo:Fc: 0.931 / Cor.coef. Fo:Fc free: 0.908 / Cross valid method: THROUGHOUT / ESU R Free: 0.463 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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| Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 142.45 Å2
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| Refinement step | Cycle: 1 / Resolution: 3.44→132.2 Å
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| Refine LS restraints |
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About Yorodumi



Homo sapiens (human)
X-RAY DIFFRACTION
United Kingdom, 2items
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