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- PDB-6vac: Mouse retromer (VPS26/VPS35/VPS29) heterotrimer -

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Basic information

Entry
Database: PDB / ID: 6vac
TitleMouse retromer (VPS26/VPS35/VPS29) heterotrimer
Components
  • Vacuolar protein sorting-associated protein 26A
  • Vacuolar protein sorting-associated protein 29
  • Vacuolar protein sorting-associated protein 35
KeywordsPROTEIN TRANSPORT / retromer / membrane trafficking / endosomal trafficking / membrane coat complexes
Function / homology
Function and homology information


WNT ligand biogenesis and trafficking / neurotransmitter receptor transport, endosome to plasma membrane / negative regulation of protein localization / regulation of dendritic spine maintenance / mitochondrion-derived vesicle / negative regulation of protein homooligomerization / tubular endosome / positive regulation of Wnt protein secretion / mitochondrion to lysosome vesicle-mediated transport / regulation of terminal button organization ...WNT ligand biogenesis and trafficking / neurotransmitter receptor transport, endosome to plasma membrane / negative regulation of protein localization / regulation of dendritic spine maintenance / mitochondrion-derived vesicle / negative regulation of protein homooligomerization / tubular endosome / positive regulation of Wnt protein secretion / mitochondrion to lysosome vesicle-mediated transport / regulation of terminal button organization / retromer, cargo-selective complex / vacuolar protein processing / regulation of postsynapse assembly / protein localization to organelle / positive regulation of locomotion involved in locomotory behavior / negative regulation of lysosomal protein catabolic process / negative regulation of late endosome to lysosome transport / positive regulation of dopamine biosynthetic process / positive regulation of dopamine receptor signaling pathway / vesicle-mediated transport in synapse / Golgi to vacuole transport / retromer complex / mitochondrial fragmentation involved in apoptotic process / protein localization to endosome / neurotransmitter receptor transport, endosome to postsynaptic membrane / voluntary musculoskeletal movement / dopaminergic synapse / regulation of synapse maturation / transcytosis / endocytic recycling / retrograde transport, endosome to Golgi / positive regulation of protein localization to cell periphery / positive regulation of mitochondrial fission / lysosome organization / D1 dopamine receptor binding / intracellular protein transport / protein destabilization / modulation of chemical synaptic transmission / negative regulation of inflammatory response / positive regulation of protein catabolic process / positive regulation of canonical Wnt signaling pathway / late endosome / presynapse / vesicle / postsynapse / postsynaptic density / early endosome / lysosome / endosome membrane / endosome / neuron projection / negative regulation of gene expression / neuronal cell body / glutamatergic synapse / synapse / positive regulation of gene expression / perinuclear region of cytoplasm / mitochondrion / membrane / metal ion binding / cytosol / cytoplasm
Similarity search - Function
Vacuolar protein sorting protein 26 related / Vacuolar protein sorting-associated protein 26 / Vacuolar protein sorting-associated protein 35 / Vacuolar protein sorting-associated protein 35, C-terminal / Vacuolar protein sorting-associated protein 35 / Vacuolar protein sorting-associated protein 29 / Phosphodiesterase MJ0936/Vps29 / Calcineurin-like phosphoesterase domain, lpxH-type / Calcineurin-like phosphoesterase superfamily domain / Arrestin-like, C-terminal ...Vacuolar protein sorting protein 26 related / Vacuolar protein sorting-associated protein 26 / Vacuolar protein sorting-associated protein 35 / Vacuolar protein sorting-associated protein 35, C-terminal / Vacuolar protein sorting-associated protein 35 / Vacuolar protein sorting-associated protein 29 / Phosphodiesterase MJ0936/Vps29 / Calcineurin-like phosphoesterase domain, lpxH-type / Calcineurin-like phosphoesterase superfamily domain / Arrestin-like, C-terminal / Metallo-dependent phosphatase-like / Armadillo-type fold
Similarity search - Domain/homology
Vacuolar protein sorting-associated protein 26A / Vacuolar protein sorting-associated protein 35 / Vacuolar protein sorting-associated protein 29
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 5.7 Å
AuthorsKendall, A.K. / Jackson, L.P.
Funding support1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)
CitationJournal: Structure / Year: 2020
Title: Mammalian Retromer Is an Adaptable Scaffold for Cargo Sorting from Endosomes.
Authors: Amy K Kendall / Boyang Xie / Peng Xu / Jue Wang / Rodger Burcham / Meredith N Frazier / Elad Binshtein / Hui Wei / Todd R Graham / Terunaga Nakagawa / Lauren P Jackson /
Abstract: Metazoan retromer (VPS26/VPS35/VPS29) associates with sorting nexins on endosomal tubules to sort proteins to the trans-Golgi network or plasma membrane. Mechanisms of metazoan retromer assembly ...Metazoan retromer (VPS26/VPS35/VPS29) associates with sorting nexins on endosomal tubules to sort proteins to the trans-Golgi network or plasma membrane. Mechanisms of metazoan retromer assembly remain undefined. We combine single-particle cryoelectron microscopy with biophysical methods to uncover multiple oligomer structures. 2D class averages reveal mammalian heterotrimers; dimers of trimers; tetramers of trimers; and flat chains. These species are further supported by biophysical solution studies. We provide reconstructions of all species, including key sub-structures (∼5 Å resolution). Local resolution variation suggests that heterotrimers and dimers adopt multiple conformations. Our structures identify a flexible, highly conserved electrostatic dimeric interface formed by VPS35 subunits. We generate structure-based mutants to disrupt this interface in vitro. Equivalent mutations in yeast demonstrate a mild cargo-sorting defect. Our data suggest the metazoan retromer is an adaptable and plastic scaffold that accommodates interactions with different sorting nexins to sort multiple cargoes from endosomes their final destinations.
History
DepositionDec 17, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 19, 2020Provider: repository / Type: Initial release
Revision 1.1Apr 15, 2020Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.2Mar 6, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Assembly

Deposited unit
A: Vacuolar protein sorting-associated protein 35
B: Vacuolar protein sorting-associated protein 26A
C: Vacuolar protein sorting-associated protein 29


Theoretical massNumber of molelcules
Total (without water)150,5113
Polymers150,5113
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Vacuolar protein sorting-associated protein 35 / Maternal-embryonic 3 / Vesicle protein sorting 35


Mass: 91821.727 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Vps35, Mem3 / Production host: Escherichia coli (E. coli) / References: UniProt: Q9EQH3
#2: Protein Vacuolar protein sorting-associated protein 26A / H58 protein / H beta 58 / Vesicle protein sorting 26A / mVPS26


Mass: 38167.789 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Vps26a, Vps26 / Production host: Escherichia coli (E. coli) / References: UniProt: P40336
#3: Protein Vacuolar protein sorting-associated protein 29 / Vesicle protein sorting 29


Mass: 20521.668 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Vps29 / Production host: Escherichia coli (E. coli) / References: UniProt: Q9QZ88

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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: Mouse retromer (VPS26/VPS35/VPS29) tetramer of heterotrimers
Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Mus musculus (house mouse)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 8.2
SpecimenConc.: 0.1 mg/ml / Embedding 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
Image recordingElectron dose: 71 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 5.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 26369 / Symmetry type: POINT

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