The function of Ensembl gene identifier ENSG00000143515 (ATP8B2, ATPase phospholipid transporting 8B2) is as follows. Catalytic component of P4-ATPase flippase complex, which catalyzes the hydrolysis of ATP coupled to the transport of phosphatidylcholine (PC) from the outer to the inner leaflet of the plasma membrane. May contribute to the maintenance of membrane lipid asymmetry. .