Predicted to enable several functions, including identical protein binding activity; lipase activator activity; and phospholipase binding activity. Predicted to be involved in several processes, including lipid transport; positive regulation of lipase activity; and regulation of lipid metabolic process. Predicted to be located in extracellular space. Predicted to be part of several cellular components, including low-density lipoprotein particle; spherical high-density lipoprotein particle; and triglyceride-rich plasma lipoprotein particle. Is expressed in several structures, including capillary; central nervous system; liver; lung; and yolk sac endoderm. Human ortholog(s) of this gene implicated in familial apolipoprotein C-II deficiency; familial hyperlipidemia; and multiple sclerosis. Orthologous to human APOC2 (apolipoprotein C2). [provided by Alliance of Genome Resources, Apr 2022]