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ITGA1

This gene encodes the alpha 1 subunit of integrin receptors. This protein heterodimerizes with the beta 1 subunit to form a cell-surface receptor for collagen and laminin. The heterodimeric receptor is involved in cell-cell adhesion and may play a role in inflammation and fibrosis. The alpha 1 subunit contains an inserted (I) von Willebrand factor type I domain which is thought to be involved in collagen binding.
Protein class

Cancer-related genes, CD markers, Plasma proteins, Transporters

Predicted location

Membrane

Single cell type specificity

Cell type enhanced (Adipocytes, Smooth muscle cells, Endothelial cells, Hepatocytes, Sertoli cells)

Immune cell specificity

Not detected in immune cells

Cell line specificity

Cell line enhanced (fHDF/TERT166, HHSteC, SH-SY5Y, WM-115)

Interaction

Heterodimer of an alpha and a beta subunit. Alpha-1 associates with beta-1. Interacts with RAB21. Interacts (via cytoplasmic domain) with PTPN2; activates PTPN2 phosphatase activity towards EGFR and negatively regulates EGF signaling.

Molecular function

Integrin, Receptor

More Types Infomation

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For Research Use Only. Not For Clinical Use.

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