Predicted to enable serine-type endopeptidase activity. Involved in liver regeneration. Located in extracellular space. Used to study inflammatory bowel disease. Biomarker of liver cirrhosis. Human ortholog(s) of this gene implicated in lupus nephritis and systemic lupus erythematosus. Orthologous to human KLKB1 (kallikrein B1). [provided by Alliance of Genome Resources, Apr 2022]