Predicted to enable polysaccharide binding activity and scavenger receptor activity. Predicted to act upstream of or within immune response. Predicted to be located in extracellular region. Is expressed in cardiovascular system and liver and biliary system. Human ortholog(s) of this gene implicated in Churg-Strauss syndrome; granulomatosis with polyangiitis; and thrombosis. Orthologous to human VTN (vitronectin).