Predicted to enable heparin binding activity; signaling receptor binding activity; and syndecan binding activity. Involved in bone mineralization and osteoblast differentiation. Predicted to be located in cytoplasmic vesicle. Predicted to be integral component of membrane. Predicted to be integral component of plasma membrane. Human ortholog(s) of this gene implicated in primary localized cutaneous amyloidosis 3. Orthologous to human GPNMB (glycoprotein nmb). [provided by Alliance of Genome Resources, Apr 2022]