|Other Names||Cytohesin-2, ARF exchange factor, ARF nucleotide-binding site opener, Protein ARNO, PH, SEC7 and coiled-coil domain-containing protein 2, CYTH2, ARNO, PSCD2, PSCD2L|
|Format||Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 1 mg/ml.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.|
|Precautions||This product is for research use only. Not for use in diagnostic or therapeutic procedures.|
|Synonyms||ARNO, PSCD2, PSCD2L|
|Function||Acts as a guanine-nucleotide exchange factor (GEF). Promotes guanine-nucleotide exchange on ARF1, ARF3 and ARF6. Promotes the activation of ARF factors through replacement of GDP with GTP. The cell membrane form, in association with ARL4 proteins, recruits ARF6 to the plasma membrane.|
|Cellular Location||Cell membrane; Peripheral membrane protein Cytoplasm. Note=Both isoform 1 and isoform 2 are recruited to the cell membrane through their association with ARL4A, ARL4C and ARL4D. They require also interaction with phosphoinositides for targeting to the plasma membrane|
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The protein encoded by this gene is a member of the PSCDfamily. Members of this family have identical structuralorganization that consists of an N-terminal coiled-coil motif, acentral Sec7 domain, and a C-terminal pleckstrin homology (PH)domain. The coiled-coil motif is involved in homodimerization, theSec7 domain contains guanine-nucleotide exchange protein (GEP)activity, and the PH domain interacts with phospholipids and isresponsible for association of PSCDs with membranes. Members ofthis family appear to mediate the regulation of protein sorting andmembrane trafficking. The encoded protein exhibits GEP activity invitro with ARF1, ARF3, and ARF6 and is 83% homologous to CYTH1. Twotranscript variants encoding different isoforms have been found forthis gene.
Merkulova, M., et al. Biochim. Biophys. Acta 1797(8):1398-1409(2010)Torii, T., et al. J. Biol. Chem. 285(31):24270-24281(2010)White, D.T., et al. Mol. Biol. Cell 21(4):562-571(2010)Bouschet, T., et al. J. Cell. Sci. 120 (PT 15), 2489-2497 (2007) :Wu, C., et al. Proteomics 7(11):1775-1785(2007)
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