Automated description from the Alliance of Genome Resources (Release 7.1.0)
Acts upstream of or within T cell activation via T cell receptor contact with antigen bound to MHC molecule on antigen presenting cell and positive regulation of cell adhesion. Located in cytosol and plasma membrane. Part of T cell receptor complex. Is expressed in several structures, including brain; genitourinary system; hemolymphoid system; liver; and molar. Orthologous to human APBB1IP (amyloid beta precursor protein binding family B member 1 interacting protein).