Arrestin domain-containing protein 1 - Q8N5I2 (ARRD1_HUMAN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

 
Function
Functions as an adapter recruiting ubiquitin-protein ligases to their specific substrates (PubMed:23886940, PubMed:27462458). Through an ubiquitination-dependent mechanism plays for instance a role in the incorporation of SLC11A2 into extracellular vesicles (PubMed:27462458). More generally, plays a role in the extracellular transport of proteins between cells through the release in the extracellular space of microvesicles (PubMed:22315426). By participating to the ITCH-mediated ubiquitination and subsequent degradation of NOTCH1, negatively regulates the NOTCH signaling pathway (PubMed:23886940). UniProt
Pathway Maps
Maps:       
Reactions:
      ESCHER  BiGG
Subunit Structure
Interacts (via PPxY motifs) with ITCH (via WW domains); the interaction is direct and participates to the recruitment of the ubiquitin-protein ligase ITCH to the NOTCH1 receptor (PubMed:21191027, PubMed:23886940). Interacts with ARRB1 and ARRB2; the interaction is direct (PubMed:23886940). Interacts with TSG101; may recruit TSG101 to the plasma membrane (PubMed:21191027, PubMed:22315426). Interacts (via PPxY motifs) with WWP2 (via WW domains); ubiquitinates ARRDC1 (PubMed:21191027, PubMed:22315426). Interacts with SLC11A2; controls the incorporation of SLC11A2 into extracellular vesicles through an ubiquitination-dependent mechanism (PubMed:27462458). Interacts with WWP1 (via WW domains) (PubMed:21191027). Interacts with NEDD4 (via WW domains) (PubMed:21191027). Interacts with ALIX (PubMed:21191027). UniProt
Domain
The PPxY motifs mediate interaction with WW domain-containing ubiquitin-protein ligases. UniProt
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Data origin/color codes
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Data in green originates from UniProtKB  
Variation data (sourced from UniProt) shows non-genetic variation from the ExPASy   and dbSNP   websites.
Data in yellow originates from Pfam  , by interacting with the HMMER3 web site  
Data in purple originates from Phosphosite  .
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 Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  
  • Red: potentially disorderd region
  • Blue: probably ordered region.
Hydropathy has been calculated using a sliding window of 15 residues and summing up scores from standard hydrophobicity tables.
  • Red: hydrophobic
  • Blue: hydrophilic.
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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Validation Track

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Data in red indicates combined ranges of Homology Models from SBKB   and the Protein Model Portal  
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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