Involved in maintenance of mitochondrion location and sarcomere organization. Located in dense body; focal adhesion; and plasma membrane. Expressed in body wall musculature; non-striated muscle; and uterus. Human ortholog(s) of this gene implicated in obesity and type 2 diabetes mellitus. Is an ortholog of human SORBS1 (sorbin and SH3 domain containing 1) and SORBS2 (sorbin and SH3 domain containing 2).