Predicted to enable serine-type endopeptidase activity. Predicted to be involved in protein processing. Predicted to be located in endoplasmic reticulum lumen. Predicted to be active in membrane and trans-Golgi network. Predicted to be integral component of Golgi membrane. Is expressed in early conceptus and oocyte. Orthologous to human PCSK7 (proprotein convertase subtilisin/kexin type 7). [provided by Alliance of Genome Resources, Apr 2022]