It is a glycosylphosphatidylinositol ( GPI ) - anchored neuronal membrane protein that functions as a cell adhesion molecule .
The protein encoded by this gene is a member of the immunoglobulin superfamily .
protein is a protein ( GPI ) - anchored neuronal protein   that functions as a cell adhesion molecule .
The protein encoded by this gene is a member of the immunoglobulin superfamily .