Predicted to enable ABC-type xenobiotic transporter activity; phosphatidylcholine flippase activity; and phosphatidylcholine transfer activity. Involved in several processes, including glycerophospholipid metabolic process; phospholipid homeostasis; and surfactant homeostasis. Located in alveolar lamellar body membrane. Is expressed in several structures, including cardiovascular system; genitourinary system; gut; nervous system; and respiratory system. Used to study pulmonary alveolar proteinosis. Human ortholog(s) of this gene implicated in pulmonary alveolar proteinosis. Orthologous to human ABCA3 (ATP binding cassette subfamily A member 3). [provided by Alliance of Genome Resources, Apr 2022]