Plays a role in the control of cell shape and motility in the trabecular meshwork. Monomer. Expressed in inner ear structures; the spindle-shaped cells of the basilar papilla. Weaker expression found in the inferior and superior fibrocartilaginous plates and skeletal muscle. Specifically expressed at the late developmental stages in the cochlea. The Japanese Horseshoe Crab and Deafness - Issue 4 of November 2000