Predicted to be involved in negative regulation of proteolysis. Predicted to be located in endoplasmic reticulum membrane; focal adhesion; and plasma membrane. Predicted to be integral component of membrane. Is expressed in alimentary system; central nervous system; lung; retina; and urethra. Human ortholog(s) of this gene implicated in specific language impairment. Orthologous to human TM4SF20 (transmembrane 4 L six family member 20). [provided by Alliance of Genome Resources, Apr 2022]