Predicted to enable calcium ion binding activity. Predicted to act upstream of or within cartilage development. Predicted to be located in extracellular matrix. Predicted to be active in collagen-containing extracellular matrix. Human ortholog(s) of this gene implicated in multiple epiphyseal dysplasia 5; osteoarthritis; and osteochondrodysplasia. Orthologous to human MATN3 (matrilin 3). [provided by Alliance of Genome Resources, Apr 2022]