The protein encoded by this gene has been identified as a brain-specific angiogenesis inhibitor (BAI1)-binding protein. This adaptor protein links membrane bound G-proteins to cytoplasmic effector proteins. This protein functions as an insulin receptor tyrosine kinase substrate and suggests a role for insulin in the central nervous system. It also associates with a downstream effector of Rho small G proteins, which is associated with the formation of stress fibers and cytokinesis. This protein is involved in lamellipodia and filopodia formation in motile cells and may affect neuronal growth-cone guidance. This protein has also been identified as interacting with the dentatorubral-pallidoluysian atrophy gene, which is associated with an autosomal dominant neurodegenerative disease. Alternative splicing results in multiple transcript variants encoding distinct isoforms.
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Protein Aliases: BAI-associated protein 2; BAI1-associated protein 2; BAIAP2; BAP2; Brain-specific angiogenesis inhibitor 1-associated protein 2; Fas ligand-associated factor 3; FLAF3; insulin receptor substrate of 53 kDa; insulin receptor substrate p53; Insulin receptor substrate p53/p58; Insulin receptor substrate protein of 53 kDa; IRS-58; IRSP53; IRSp53/58
Gene Aliases: BAIAP2; BAP2; FLAF3; IRSP53
UniProt ID: (Human) Q9UQB8
Entrez Gene ID: (Human) 10458
Molecular Function: receptor