Automated description from the Alliance of Genome Resources (Release 7.0.0)
Enables epidermal growth factor receptor binding activity; growth factor activity; and transmembrane receptor protein tyrosine kinase activator activity. Involved in epidermal growth factor receptor signaling pathway; positive regulation of epithelial cell proliferation; and positive regulation of mitotic nuclear division. Acts upstream of or within MAPK cascade. Is active in extracellular space. Is expressed in several structures, including alimentary system; arterial system; dorsal root ganglion; hair follicle; and male reproductive gland or organ. Orthologous to human EPGN (epithelial mitogen).