Pcsk4 - proprotein convertase subtilisin/kexin type 4

Predicted to enable serine-type endopeptidase activity. Involved in fertilization and sperm capacitation. Acts upstream of or within acrosome reaction and binding activity of sperm to zona pellucida. Located in acrosomal membrane. Is expressed in early conceptus; epididymis; gonad; and neural retina. Orthologous to human PCSK4 (proprotein convertase subtilisin/kexin type 4). [provided by Alliance of Genome Resources, Apr 2022]