Alpha-6 / Beta-1 integrin
The alpha6/beta1 integrin is expressed on platelets, lymphocytes, monocytes, thymocytes and epithelial cells, on which it functions as a laminin receptor for laminin-1, laminin-2 and laminin-4 in vivo. It is also a receptor for laminin-5, but not in vivo. For laminin-1, the binding site has been localized in the E8 domain of this extracellular matrix molecule. This receptor is also known as VLA-6 (very late activation antigen 6) and GPIc-IIa (glycoprotein Ic-IIa on platelets).
Last updated on 18/06/97
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