TBC1 domain family member 5 - Q92609 (TBCD5_HUMAN)


Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for Q92609: 1
May act as a GTPase-activating protein (GAP) for Rab family protein(s). May act as a GAP for RAB7A. Can displace RAB7A and retromer CSC subcomplex from the endosomal membrane to the cytosol; at least retromer displacement seems to require its catalytic activity (PubMed:19531583, PubMed:20923837). Required for retrograde transport of cargo proteins from endosomes to the trans-Golgi network (TGN); the function seems to require its catalytic activity. Involved in regulation of autophagy (PubMed:22354992). May act as a molecular switch between endosomal and autophagosomal transport and is involved in reprogramming vesicle trafficking upon autophagy induction. Involved in the trafficking of ATG9A upon activation of autophagy. May regulate the recruitment of ATG9A-AP2-containing vesicles to autophagic membranes (PubMed:24603492). UniProt
Pathway Maps
      ESCHER  BiGG
Subunit Structure
Interacts with MAP1LC3A, MAP1LC3B, MAP1LC3C, GABARAP, GABARAPL1, GABARAPL2. Interacts with VPS29 and VPS35; indicative for an association with retromer CSC subcomplex. MAP1LC3A and VPS29 compete for binding to TBC1D5 (PubMed:20923837, PubMed:22354992). Interacts with AP2M1; indicative for an association with the AP2 complex. Interacts with ULK1 and ATG13 (phosphorylated); indicative for an association with the activated ULK1-ATG13-FIP200 complex. Interacts with ATG9A; the interactions seems to be restricted to the AP2-clathrin-associated fraction of ATG9A (PubMed:24603492). UniProt
The LIR (LC3-interacting region) motif mediates the interaction with ATG8 family proteins. LIR 1 is also implicated in interaction with retromer; LIR 2 is only implicated in interaction with ATG8 family proteins. UniProt
  • Isoforms: 2 , currently showing only the 'canonical' sequence.
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Data in lilac represent the genomic exon structure projected onto the UniProt sequence.
Data in blue originates from PDB
  • Secstruc: Secondary structure projected from representative PDB entries onto the UniProt sequence.
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The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).
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