Predicted to enable alpha-actinin binding activity. Predicted to be involved in positive regulation of cell-cell adhesion and signal transduction. Located in several cellular components, including adherens junction; cytoplasm; and nucleus. Is expressed in several structures, including genitourinary system; heart; liver; lung; and musculoskeletal system. Orthologous to human MAGI1 (membrane associated guanylate kinase, WW and PDZ domain containing 1). [provided by Alliance of Genome Resources, Apr 2022]