Predicted to enable calcium ion binding activity; carbohydrate binding activity; and hyaluronic acid binding activity. Acts upstream of or within regulation of synapse structural plasticity. Predicted to be located in perineuronal net. Predicted to be active in extracellular matrix. Is expressed in central nervous system; dorsal root ganglion; neural retina; olfactory system; and trigeminal nerve. Orthologous to human NCAN (neurocan). [provided by Alliance of Genome Resources, Apr 2022]