Predicted to enable delayed rectifier potassium channel activity. Predicted to be involved in potassium ion transmembrane transport. Predicted to act upstream of or within regulation of ion transmembrane transport. Located in axon initial segment and membrane. Is expressed in brain; heart; and hindlimb muscle. Orthologous to human KCNA4 (potassium voltage-gated channel subfamily A member 4). [provided by Alliance of Genome Resources, Apr 2022]