Enables identical protein binding activity. Involved in several processes, including myeloid leukocyte differentiation; odontogenesis; and ossification. Located in extracellular space. Used to study anti-basement membrane glomerulonephritis; high grade glioma; and osteopetrosis. Biomarker of systemic scleroderma. Human ortholog(s) of this gene implicated in interstitial cystitis. Orthologous to human CSF1 (colony stimulating factor 1). [provided by Alliance of Genome Resources, Apr 2022]