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FLASH GENE
Symbol PDCD6IP contributors: mct/ - updated : 21-09-2010
HGNC name programmed cell death 6 interacting protein
HGNC id 8766
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • N-terminal BRO1 domain interacts with CHMP4 proteins that function in multivesicular endosome biogenesis, and N-terminal PRR (proline-rich region) that is unfolded, at least before HCK-SH3 recognition
  • 12-amino acid PXY repeat of the C-terminal proline-rich domain necessary for binding PDCD6, which are homology domain-3 (SH3)-binding domains
  • a tyrosine autophosphorylation consensus sequence
  • several additional conserved tyrosines
  • pro-rich regions that are bound by PDCD6 Ca2+-dependently
  • C-terminal half blocked apoptosis depending on its capacity to bind PDCD6
    • HOMOLOGY
    interspecies homolog to murine Pdcd6ip
    Homologene
    FAMILY
    CATEGORY regulatory
    SUBCELLULAR LOCALIZATION     intracellular
    intracellular,cytoplasm,cytosolic
    intracellular,cytoplasm,cytoskeleton,microtubule,centrosome
    text
  • concentrated in phagosomes and exosomes
  • concentrate at centrosomes and are then recruited to the midbodies of dividing cells
    • basic FUNCTION
  • participating in programmed cell death
  • can block apoptosis
  • regulator of the endo-lysosomal system
  • plays important roles in targeting the pathway to function in retrovirus budding by binding directly to viral Gag proteins, and may play widespread roles in the release of highly divergent enveloped viruses
  • function at the endosome to help sort membrane proteins into vesicles that bud into the lumen to create multivesicular bodies
  • cytosolic protein which interacts with proteins involved in deforming membranes during various processes including endocytosis, endosomal sorting, virus budding and cytokinesis
  • can serve as an adaptor that recruits CHMP4/ESCRT-III complexes to function at distinct biological membranes
  • modulator of caspase-dependent and caspase-independent cell death, including neuronal cell death, that is also part of the endosomal transport system
  • involved in cell death through mechanisms which remain unclear but require its binding partner PDCD6
  • critical component of caspase 9 activation and apoptosis triggered by calcium
    • CELLULAR PROCESS cell life, antiapoptosis
    PHYSIOLOGICAL PROCESS
    PATHWAY
    metabolism
    signaling signal transduction
  • glycosylation with ALG2, are new actors of the TNFRSF1A pathway
  • ESCRT-III (CHMP) proteins pathhway
    • a component
  • PDCD6IP/PDCD6 complex as a regulator of cell death controlling both caspase-dependent and -independent pathways
  • functions as a subunit of the heterotetrameric ESCRT-I complex (endosomal sorting complex required for transport-I), together with two other MVB (multivesicular body) pathway proteins: VPS28, VPS37B
  • forms a complex with the TNFRSF1A depending on its capacity to bind ESCRT proteins
    • INTERACTION
    DNA
    RNA
    small molecule
    protein
  • binds to endophilins and induces cytoplasmic vacuolization
  • regulates cell death in a way involving interactions with the calcium-binding protein PDCD6 and with proteins of ESCRT (endosomal sorting complex required for transport)
  • binds to HIV-1 p6 and is incorporated in HIV-1 virions
  • target protein for PDCD6, participating in multiple functions, including apoptosis, endocytic membrane trafficking, and cytoskeletal remodeling
  • interacts with a series of different proteins, including CEP55, CD2AP, with three other proteins involved in cytokinesis, ROCK1, and IQGAP, and viral late domains of the YPXL class
  • interacting with TSG101 and PDCD6 (Ca2+-loaded PDCD6 bridges PDCD6IP and TSG101 as an adaptor protein)
  • HCK (haemopoietic cell kinase) SH3 domain interactor(
  • crucial mediator of Ca(2+) induced caspase 9 activation
  • PDCD6 and PDCD6IP cooperate in transducing Ca2+-regulated signals during cell death
  • is a novel HCK (haemopoietic cell kinase) SH3 domain interactor
    • cell & other
    REGULATION
    ASSOCIATED DISORDERS
    ANIMAL & CELL MODELS