ADP-ribosylation factor-binding protein GGA3 - Q9NZ52 (GGA3_HUMAN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for Q9NZ52: 6
 
Function
Plays a role in protein sorting and trafficking between the trans-Golgi network (TGN) and endosomes. Mediates the ARF-dependent recruitment of clathrin to the TGN and binds ubiquitinated proteins and membrane cargo molecules with a cytosolic acidic cluster-dileucine (DXXLL) motif (PubMed:11301005). Mediates export of the GPCR receptor ADRA2B to the cell surface (PubMed:26811329). nvolved in BACE1 transport and sorting as well as regulation of BACE1 protein levels (PubMed:17553422, PubMed:15615712, PubMed:20484053). Regulates retrograde transport of BACE1 from endosomes to the trans-Golgi network via interaction through the VHS motif and dependent of BACE1 phosphorylation (PubMed:15615712). Modulates BACE1 protein levels intedepently of the interaction between VHS domain and DXXLL motif through recognition of ubiquitination (PubMed:20484053). Key player in a novel DXXLL-mediated endosomal sorting machinery to the recycling pathway that targets NTRK1 to the plasma membrane (By similarity). UniProt
Pathway Maps
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Subunit Structure
Monomer (Probable). Interacts with GGA1 and GGA2 (PubMed:14638859). Binds to clathrin and activated ARFs, such as ARF1, ARF5 and ARF6 (PubMed:11301005, PubMed:11950392). Binds RABEP1 and RABGEF1 (PubMed:12505986, PubMed:15143060). Interacts with the membrane proteins M6PR/CD-MPR and IGF2R/CI-MPR and the accessory proteins SYNRG, EPN4, NECAP1, NECAP2 and AFTPH/aftiphilin (PubMed:10814529, PubMed:11387475, PubMed:12060753, PubMed:12213833, PubMed:14665628). Interacts with TSG101 and UBC (PubMed:14660606, PubMed:15039775). Interacts with ADRA2B (PubMed:26811329). Interacts with NTRK1; the interaction is independent of NTRK1 activation and ubiquitination (PubMed:26446845). Interacts (via VHS domain) with BACE1 (via DXXLL motif) (PubMed:14567678). UniProt
Domain
The GAE domain binds accessory proteins regulating GGAs function. UniProt
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Data in orange originates from the SCOP   (version 1.75) and SCOPe   (version 2.04) classifications.
Data in grey has been calculated using BioJava  . Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  
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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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