Predicted to enable microtubule binding activity. Acts upstream of or within midbrain development. Predicted to be located in cytoplasm and spindle pole. Predicted to be part of katanin complex. Is expressed in brain; oocyte; and pectoral fin. Used to study idiopathic scoliosis. Human ortholog(s) of this gene implicated in lissencephaly 6. Orthologous to human KATNB1 (katanin regulatory subunit B1).