Is predicted to encode a protein with the following domains: L27-1; SH3-like domain superfamily; L27_1; SH3 domain; L27 domain superfamily; Guanylate kinase/L-type calcium channel beta subunit; P-loop containing nucleoside triphosphate hydrolase; PDZ superfamily; Guanylate kinase; and PDZ domain. Is an ortholog of C. elegans dlg-1. In C. elegans, dlg-1 is involved in embryo development and zonula adherens assembly.