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Open data
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Basic information
Entry | Database: PDB / ID: 6yae | |||||||||
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Title | AP2 core in physiological buffer | |||||||||
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![]() | ENDOCYTOSIS / clathrin / clathrin adaptor / ap2 / clathrin assembly | |||||||||
Function / homology | ![]() Gap junction degradation / Formation of annular gap junctions / LDL clearance / WNT5A-dependent internalization of FZD2, FZD5 and ROR2 / WNT5A-dependent internalization of FZD4 / WNT5A-dependent internalization of FZD2, FZD5 and ROR2 / LDL clearance / Retrograde neurotrophin signalling / Nef Mediated CD8 Down-regulation / Trafficking of GluR2-containing AMPA receptors ...Gap junction degradation / Formation of annular gap junctions / LDL clearance / WNT5A-dependent internalization of FZD2, FZD5 and ROR2 / WNT5A-dependent internalization of FZD4 / WNT5A-dependent internalization of FZD2, FZD5 and ROR2 / LDL clearance / Retrograde neurotrophin signalling / Nef Mediated CD8 Down-regulation / Trafficking of GluR2-containing AMPA receptors / VLDLR internalisation and degradation / Retrograde neurotrophin signalling / WNT5A-dependent internalization of FZD2, FZD5 and ROR2 / Trafficking of GluR2-containing AMPA receptors / WNT5A-dependent internalization of FZD4 / VLDLR internalisation and degradation / extrinsic component of presynaptic endocytic zone membrane / clathrin adaptor complex / WNT5A-dependent internalization of FZD4 / Recycling pathway of L1 / MHC class II antigen presentation / AP-2 adaptor complex / regulation of vesicle size / postsynaptic neurotransmitter receptor internalization / Cargo recognition for clathrin-mediated endocytosis / Recycling pathway of L1 / Retrograde neurotrophin signalling / clathrin-coated endocytic vesicle / Clathrin-mediated endocytosis / positive regulation of synaptic vesicle endocytosis / Cargo recognition for clathrin-mediated endocytosis / clathrin adaptor activity / Clathrin-mediated endocytosis / LDL clearance / membrane coat / vesicle budding from membrane / clathrin-dependent endocytosis / MHC class II antigen presentation / signal sequence binding / coronary vasculature development / Nef Mediated CD4 Down-regulation / endolysosome membrane / aorta development / ventricular septum development / Neutrophil degranulation / clathrin binding / low-density lipoprotein particle receptor binding / Trafficking of GluR2-containing AMPA receptors / Recycling pathway of L1 / positive regulation of receptor internalization / synaptic vesicle endocytosis / EPH-ephrin mediated repulsion of cells / negative regulation of protein localization to plasma membrane / vesicle-mediated transport / clathrin-coated pit / protein serine/threonine kinase binding / phosphatidylinositol binding / MHC class II antigen presentation / VLDLR internalisation and degradation / kidney development / intracellular protein transport / clathrin-coated endocytic vesicle membrane / terminal bouton / receptor internalization / cytoplasmic side of plasma membrane / kinase binding / disordered domain specific binding / endocytic vesicle membrane / synaptic vesicle / Cargo recognition for clathrin-mediated endocytosis / presynapse / Clathrin-mediated endocytosis / protein-containing complex assembly / cytoplasmic vesicle / Potential therapeutics for SARS / transmembrane transporter binding / postsynapse / protein domain specific binding / synapse / lipid binding / protein-containing complex binding / protein kinase binding / glutamatergic synapse / membrane / plasma membrane / cytosol Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() ![]() ![]() | |||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.9 Å | |||||||||
![]() | Kane Dickson, V. / Kovtun, O. / Kelly, B.T. / Owen, D.J. / Briggs, J.A.G. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Architecture of the AP2/clathrin coat on the membranes of clathrin-coated vesicles. Authors: Oleksiy Kovtun / Veronica Kane Dickson / Bernard T Kelly / David J Owen / John A G Briggs / ![]() ![]() Abstract: Clathrin-mediated endocytosis (CME) is crucial for modulating the protein composition of a cell's plasma membrane. Clathrin forms a cage-like, polyhedral outer scaffold around a vesicle, to which ...Clathrin-mediated endocytosis (CME) is crucial for modulating the protein composition of a cell's plasma membrane. Clathrin forms a cage-like, polyhedral outer scaffold around a vesicle, to which cargo-selecting clathrin adaptors are attached. Adaptor protein complex (AP2) is the key adaptor in CME. Crystallography has shown AP2 to adopt a range of conformations. Here, we used cryo-electron microscopy, tomography, and subtomogram averaging to determine structures, interactions, and arrangements of clathrin and AP2 at the key steps of coat assembly, from AP2 in solution to membrane-assembled clathrin-coated vesicles (CCVs). AP2 binds cargo and PtdIns(4,5) (phosphatidylinositol 4,5-bisphosphate)-containing membranes via multiple interfaces, undergoing conformational rearrangement from its cytosolic state. The binding mode of AP2 β2 appendage into the clathrin lattice in CCVs and buds implies how the adaptor structurally modulates coat curvature and coat disassembly. | |||||||||
History |
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Structure visualization
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Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 310.7 KB | Display | ![]() |
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PDB format | ![]() | 248 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 10747MC ![]() 6yafC ![]() 6yahC ![]() 6yaiC M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Components
#1: Protein | Mass: 69656.297 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#2: Protein | Mass: 66953.195 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
#3: Protein | Mass: 49726.641 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
#4: Protein | Mass: 17038.688 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
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Molecular weight | Value: 0.27 MDa / Experimental value: NO | ||||||||||||||||||||||||||||||
Source (natural) |
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Source (recombinant) |
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Buffer solution | pH: 7.2 | ||||||||||||||||||||||||||||||
Specimen | Conc.: 0.5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: This sample was primarily monodisperse. | ||||||||||||||||||||||||||||||
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: TFS KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD |
Image recording | Electron dose: 32.4 e/Å2 / Film or detector model: FEI FALCON III (4k x 4k) |
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Processing
Software | Name: PHENIX / Version: 1.17.1_3660: / Classification: refinement | ||||||||||||||||||||||||
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CTF correction | Type: NONE | ||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||
3D reconstruction | Resolution: 3.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 105000 / Symmetry type: POINT | ||||||||||||||||||||||||
Refine LS restraints |
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