Predicted to enable cytokine activity; identical protein binding activity; and tumor necrosis factor receptor superfamily binding activity. Involved in several processes, including positive regulation of bone resorption; positive regulation of osteoclast differentiation; and response to immobilization stress. Predicted to be located in extracellular space and plasma membrane. Predicted to be integral component of membrane. Biomarker of mucopolysaccharidosis VI and myocarditis. Human ortholog(s) of this gene implicated in autosomal recessive osteopetrosis 2 and osteoporosis. Orthologous to human TNFSF11 (TNF superfamily member 11). [provided by Alliance of Genome Resources, Apr 2022]