Automated description from the Alliance of Genome Resources (Release 7.1.0)
Contributes to IgE binding activity. Acts upstream of or within cell surface receptor signaling pathway. Located in external side of plasma membrane. Part of Fc-epsilon receptor I complex. Is expressed in skin. Human ortholog(s) of this gene implicated in asthma; atopic dermatitis; and rhinitis. Orthologous to human MS4A2 (membrane spanning 4-domains A2).