Predicted to enable several functions, including complement component C1q complex binding activity; low-density lipoprotein particle binding activity; and virion binding activity. Involved in protein-containing complex assembly. Part of protein-containing complex. Human ortholog(s) of this gene implicated in amyloidosis. Orthologous to human APCS (amyloid P component, serum). [provided by Alliance of Genome Resources, Apr 2022]