6HYN

Structure of ATG13 LIR motif bound to GABARAP


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.14 Å
  • R-Value Free: 0.185 
  • R-Value Work: 0.167 
  • R-Value Observed: 0.168 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Molecular determinants regulating selective binding of autophagy adapters and receptors to ATG8 proteins.

Wirth, M.Zhang, W.Razi, M.Nyoni, L.Joshi, D.O'Reilly, N.Johansen, T.Tooze, S.A.Mouilleron, S.

(2019) Nat Commun 10: 2055-2055

  • DOI: 10.1038/s41467-019-10059-6
  • Primary Citation of Related Structures:  
    6HYO, 6HYL, 6HYN, 6HYM

  • PubMed Abstract: 
  • Autophagy is an essential recycling and quality control pathway. Mammalian ATG8 proteins drive autophagosome formation and selective removal of protein aggregates and organelles by recruiting autophagy receptors and adaptors that contain a LC3-interacting region (LIR) motif ...

    Autophagy is an essential recycling and quality control pathway. Mammalian ATG8 proteins drive autophagosome formation and selective removal of protein aggregates and organelles by recruiting autophagy receptors and adaptors that contain a LC3-interacting region (LIR) motif. LIR motifs can be highly selective for ATG8 subfamily proteins (LC3s/GABARAPs), however the molecular determinants regulating these selective interactions remain elusive. Here we show that residues within the core LIR motif and adjacent C-terminal region as well as ATG8 subfamily-specific residues in the LIR docking site are critical for binding of receptors and adaptors to GABARAPs. Moreover, rendering GABARAP more LC3B-like impairs autophagy receptor degradation. Modulating LIR binding specificity of the centriolar satellite protein PCM1, implicated in autophagy and centrosomal function, alters its dynamics in cells. Our data provides new mechanistic insight into how selective binding of LIR motifs to GABARAPs is achieved, and elucidate the overlapping and distinct functions of ATG8 subfamily proteins.


    Organizational Affiliation

    Structural Biology Science Technology Platforms, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK. stephane.mouilleron@crick.ac.uk.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Autophagy-related protein 13,Gamma-aminobutyric acid receptor-associated proteinA138Homo sapiensMutation(s): 0 
Gene Names: ATG13KIAA0652GABARAPFLC3BHT004
UniProt & NIH Common Fund Data Resources
Find proteins for O95166 (Homo sapiens)
Explore O95166 
Go to UniProtKB:  O95166
PHAROS:  O95166
Find proteins for O75143 (Homo sapiens)
Explore O75143 
Go to UniProtKB:  O75143
PHAROS:  O75143
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.14 Å
  • R-Value Free: 0.185 
  • R-Value Work: 0.167 
  • R-Value Observed: 0.168 
  • Space Group: I 2 3
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 101.131α = 90
b = 101.131β = 90
c = 101.131γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
DIALSdata reduction
DIALSdata scaling
PHASERphasing

Structure Validation

View Full Validation Report




Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2019-05-08
    Type: Initial release
  • Version 1.1: 2019-05-15
    Changes: Data collection, Database references