Predicted to be an extracellular matrix structural constituent. Predicted to be involved in angiogenesis; endothelial cell morphogenesis; and extracellular matrix organization. Predicted to act upstream of or within cell adhesion. Located in basement membrane. Is expressed in several structures, including alimentary system; brain; genitourinary system; heart and pericardium; and musculoskeletal system. Orthologous to human COL15A1 (collagen type XV alpha 1 chain). [provided by Alliance of Genome Resources, Apr 2022]