ATP-binding Cassette (ABC) Family

ABCB1: Multidrug resistance protein 1 (MDR1, P-gp)

ABCB11: Bile salt export pump (BSEP)

ABCC1: Multidrug resistance protein 1 (MRP1)

ABCC2: Multidrug resistance protein 2 (MRP2, cMOAT)

ABCC3: Multidrug resistance protein 3 (MRP3)

ABCC4: Multidrug resistance protein 4 (MRP4)

ABCC5: Multidrug resistance protein 5 (MRP5)

ABCC6: Multidrug resistance protein 6 (MRP6)

ABCG2: Brest cancer resistance protein (BCRP, MXR)

Solute Carrier (SLC) Family

SLC10A1: Na⁺-taurocholate co-transporting polypeptide (NTCP)

SLC10A2: apical sodium–bile acid transporter (ASBT, SBAT2)

SLC15A1: Peptide transporter 1 (PEPT1)

SLC15A2: Peptide transporter 2 (PEPT2)

SLC22A1: Organic cation transporter 1 (OCT1)

SLC22A2: Organic cation transporter 2 (OCT2)

SLC22A3: Organic cation transporter 3 (OCT3)

SLC22A4: organic cation transporter, novel, type 1 (OCTN1)

SLC22A5: organic cation transporter, novel, type 2 (OCTN2)

SLC22A6: Organic anion transporter 1 (OAT1)

SLC22A7: Organic anion transporter 2 (OAT2)

SLC22A8: Organic anion transporter 3 (OAT3)

SLC22A11: Organic anion transporter 4 (OAT4)

SLC22A12: Urate transporter 1 (URAT1)

SLC47A1: Multidrug and toxin extrusion protein 1 (MATE1)

SLC47A2: Multidrug and toxin extrusion protein 2K (MATE2K)

SLCO1A2: Organic anion transporter polypeptide 1A2 (OATP1A2, OATP-A)

SLCO1B1: Organic anion transporter polypeptide 1B1 (OATP1B1, OATP-C, OATP2, LST-1)

SLCO1B3: Organic anion transporter polypeptide 1B3 (OATP1B3, OATP8)

SLCO2B1: Organic anion transporter polypeptide 2B1 (OATP2B1, OATP-B)