Enables microtubule binding activity. Acts upstream of or within microtubule bundle formation. Located in microtubule cytoskeleton. Is expressed in cranial ganglion; dorsal root ganglion; rest of cerebellum marginal layer; sensory organ; and thymus primordium. Orthologous to human CCSER2 (coiled-coil serine rich protein 2). [provided by Alliance of Genome Resources, Apr 2022]