Automated description from the Alliance of Genome Resources (Release 3.0)
Contributes to IgE binding activity. Involved in cell surface receptor signaling pathway. Localizes to Fc-epsilon receptor I complex; external side of plasma membrane; and integral component of plasma membrane. Human ortholog(s) of this gene implicated in asthma; atopic dermatitis; and rhinitis. Is expressed in skin. Orthologous to human MS4A2 (membrane spanning 4-domains A2).