Predicted to enable calcium ion binding activity. Predicted to be an extracellular matrix structural constituent. Acts upstream of or within growth plate cartilage chondrocyte morphogenesis and regulation of bone mineralization. Located in extracellular matrix. Is expressed in several structures, including cartilage; heart; limb; skeleton; and urinary system. Orthologous to human MATN1 (matrilin 1). [provided by Alliance of Genome Resources, Apr 2022]