May function as adapter protein. Involved in the formation of clusters of actin bundles. Plays a role in the reorganization of the actin cytoskeleton in response to bacterial infection (By similarity). Interacts with RAC1. Binds to F-actin. Interacts with FASLG (By similarity). Recruited to actin pedestals that are formed upon infection by bacteria at bacterial attachment sites. The IMD domain is predicted to have a helical structure. It may induce actin bundling and filopodia formation (By similarity). Phosphorylated on tyrosine in response to insulin.