Predicted to enable calcium ion binding activity. Acts upstream of or within cartilage development. Located in extracellular matrix. Is expressed in larynx; limb; sensory organ; and skeleton. Used to study multiple epiphyseal dysplasia 5 and osteoarthritis. 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]