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- PDB-8kby: Cryo-EM structure of ATG2A -

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Basic information

Entry
Database: PDB / ID: 8kby
TitleCryo-EM structure of ATG2A
ComponentsAutophagy-related protein 2 homolog A
KeywordsMEMBRANE PROTEIN / ATG2A / single particle cryo-EM / peripheral membrane proteins
Function / homology
Function and homology information


phagophore / lipid transfer activity / organelle membrane contact site / glycophagy / positive regulation of autophagosome assembly / phagophore assembly site membrane / piecemeal microautophagy of the nucleus / phosphatidylinositol-3-phosphate binding / phagophore assembly site / reticulophagy ...phagophore / lipid transfer activity / organelle membrane contact site / glycophagy / positive regulation of autophagosome assembly / phagophore assembly site membrane / piecemeal microautophagy of the nucleus / phosphatidylinositol-3-phosphate binding / phagophore assembly site / reticulophagy / autophagosome assembly / protein-membrane adaptor activity / lipid droplet / endoplasmic reticulum membrane
Similarity search - Function
Autophagy-related protein 2/VPS13, C-terminal / Autophagy-related protein 2 / ATG2/VPS13, C terminal domain / Vacuolar protein sorting-associated protein 13-like, N-terminal domain / VPS13-like, N-terminal
Similarity search - Domain/homology
Autophagy-related protein 2 homolog A
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.23 Å
AuthorsWang, Y. / Stjepanovic, G.
Funding support China, 2items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)31950410540 China
Ministry of Science and Technology (MoST, China)QN2021032004L China
CitationJournal: To Be Published
Title: Structural basis for lipid transfer by the ATG2A-ATG9A complex
Authors: Wang, Y. / Stjepanovic, G.
History
DepositionAug 4, 2023Deposition site: PDBJ / Processing site: PDBC
Revision 1.0Aug 7, 2024Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
B: Autophagy-related protein 2 homolog A


Theoretical massNumber of molelcules
Total (without water)213,1001
Polymers213,1001
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Autophagy-related protein 2 homolog A


Mass: 213100.281 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ATG2A / Production host: Homo sapiens (human) / References: UniProt: Q2TAZ0

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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: ATG2A / Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES
Molecular weightValue: 0.213 MDa / Experimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
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 FIELD / Nominal magnification: 105000 X / Nominal defocus max: 2000 nm / Nominal defocus min: 1200 nm / C2 aperture diameter: 100 µm
Image recordingElectron dose: 61.65 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: 3.23 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 294088 / Symmetry type: POINT

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