Predicted to enable cytokine activity. Acts upstream of or within response to mechanical stimulus. Predicted to be located in membrane. Predicted to be active in extracellular space. Is expressed in head and scale. Human ortholog(s) of this gene implicated in autosomal recessive osteopetrosis 2 and osteoporosis. Orthologous to human TNFSF11 (TNF superfamily member 11).