ABC transporter that seems not to be involved in the efflux of toxic substances, at least not the classical compounds such as itraconazole, amphotericin B, voriconazole, posaconazole, ravuconazole, or echinocandins. Does not lead to growth defects or changes in developmental patterns and does not affect sensitivity to itraconazole, amphotericin B, voriconazole, posaconazole, ravuconazole, or echinocandins. Belongs to the ABC transporter superfamily. ABCG family. PDR (TC 3.A.1.205) subfamily.