Predicted to enable lipid binding activity. Involved in several processes, including angiogenesis; endothelial cell activation; and regulation of endothelial cell differentiation. Predicted to be located in extracellular region and plasma membrane. Predicted to be integral component of membrane. Orthologous to human APOLD1 (apolipoprotein L domain containing 1). [provided by Alliance of Genome Resources, Apr 2022]