Integrin alpha-3 is a protein that in humans is encoded by the ITGA3gene.[5][6]
ITGA3 is an integrin alpha subunit. Together with beta-1 subunit, it makes up half of the α3β1 integrin duplex that plays a role in neural migration and corticogenesis, acted upon by such factors as netrin-1 and reelin.
ITGA3 encodes the integrin alpha 3 chain. Integrins are heterodimeric integral membrane proteins composed of an alpha chain and a beta chain. Alpha chain 3 undergoes post-translational cleavage in the extracellular domain to yield disulfide-linked light and heavy chains that join with beta 1 to form an integrin that interacts with many extracellular matrix proteins.
Alternative names
The alpha 3 beta 1 integrin is known variously as: very late (activation) antigen 3 ('VLA-3'), very common antigen 2 ('VCA-2'), extracellular matrix receptor 1 ('ECMR1'), and galactoprotein b3 ('GAPB3').[7]
^Jones SD, van der Flier A, Sonnenberg A (September 1998). "Genomic organization of the human alpha 3 integrin subunit gene". Biochem Biophys Res Commun. 248 (3): 896–8. doi:10.1006/bbrc.1998.9071. PMID9704023.
^Hadari YR, Arbel-Goren R, Levy Y, Amsterdam A, Alon R, Zakut R, Zick Y (July 2000). "Galectin-8 binding to integrins inhibits cell adhesion and induces apoptosis". J. Cell Sci. 113 (13): 2385–97. doi:10.1242/jcs.113.13.2385. PMID10852818.