Automated description from the Alliance of Genome Resources (Release 3.0)
Predicted to have cell adhesion molecule binding activity; protein homodimerization activity; and signaling receptor activity. Involved in synapse maturation. Localizes to anchored component of external side of plasma membrane; inhibitory synapse; and presynaptic membrane. Is expressed in nervous system; olfactory epithelium; and retina. Orthologous to human IGSF21 (immunoglobin superfamily member 21).