Enables actin filament binding activity; identical protein binding activity; and microtubule binding activity. Acts upstream of or within brain development and microtubule cytoskeleton organization. Located in dendrite; microtubule cytoskeleton; and neuronal cell body. Is expressed in brain and spinal cord. Orthologous to human MAP1S (microtubule associated protein 1S). [provided by Alliance of Genome Resources, Apr 2022]