Predicted to enable ATPase regulator activity; dynein complex binding activity; and protein heterodimerization activity. Involved in microtubule severing; positive regulation of cell death; and positive regulation of neuron projection development. Located in growth cone; midbody; and neuronal cell body. Human ortholog(s) of this gene implicated in lissencephaly 6. Orthologous to human KATNB1 (katanin regulatory subunit B1). [provided by Alliance of Genome Resources, Apr 2022]