Predicted to enable ATP binding activity and ATPase-coupled transmembrane transporter activity. Predicted to be involved in potassium ion transmembrane transport. Predicted to act upstream of or within potassium ion transport. Located in mitochondrion. Is expressed in several structures, including alimentary system; nervous system; respiratory system; retina; and urinary system. Orthologous to human ABCB8 (ATP binding cassette subfamily B member 8). [provided by Alliance of Genome Resources, Apr 2022]