Enables microtubule binding activity. Involved in meiotic cell cycle. Located in several cellular components, including neuronal cell body; nuclear matrix; and spindle pole. Colocalizes with spindle microtubule. Human ortholog(s) of this gene implicated in acute promyelocytic leukemia. Orthologous to human NUMA1 (nuclear mitotic apparatus protein 1). [provided by Alliance of Genome Resources, Apr 2022]