Predicted to enable cytokine activity. Acts upstream of or within negative regulation of myoblast differentiation. Predicted to be located in extracellular space and membrane. Predicted to be integral component of membrane. Is expressed in central nervous system; dorsal root ganglion; sensory organ; and skeleton. Orthologous to human CMTM5 (CKLF like MARVEL transmembrane domain containing 5). [provided by Alliance of Genome Resources, Apr 2022]