Predicted to enable antigen binding activity and integrin binding activity. Predicted to be involved in protein-containing complex assembly. Predicted to be located in plasma membrane and vesicle. Predicted to be integral component of plasma membrane. Is expressed in several structures, including gut; jaw; rib cage; urinary system; and viscerocranium. Orthologous to human TSPAN4 (tetraspanin 4). [provided by Alliance of Genome Resources, Apr 2022]