hsa:20	ABCA2, ABC2, IDPOGSA; ATP-binding cassette sub-family A member 2 isoform c
hsa:21	ABCA3, ABC-C, ABC3, EST111653, LBM180, SMDP3; phospholipid-transporting ATPase ABCA3
hsa:22	ABCB7, ABC7, ASAT, Atm1p, EST140535; iron-sulfur clusters transporter ABCB7, mitochondrial isoform 2
hsa:23	ABCF1, ABC27, ABC50; ATP-binding cassette sub-family F member 1 isoform a
hsa:24	ABCA4, ABC10, ABCR, ARMD2, CORD3, FFM, RMP, RP19, STGD, STGD1; retinal-specific phospholipid-transporting ATPase ABCA4 isoform 1