| Enzymes |
| Rat/human |
Alkaline phosphatase(ALP) |
Phosphatase |
Epithelia and other cells |
63 |
| Rat/human |
Dipeptidylpeptidase IV (DPP IV)/CD 26 |
Ectopeptidase |
Epithelia and other cells |
110 |
| Rat/human |
B10 |
Alkaline phosphodiesterase |
Epithelia |
130 |
| Rat/human |
HA4/pp120 cell-CAM 105 |
EctoATPase |
Epithelia |
105–115 |
| Rat/human |
5′nucleotidase (5′NT) |
Nucleotide hydrolase |
Liver and other cells |
72 |
| Rat/human |
Aminopeptidase N (APN)/CD 13/LAP |
Peptidase |
Epithelia and fibroblasts |
140–160 |
| Skeleton proteins |
| Rat/human |
Ezrin |
Membrane/cytoskeleton link |
Epithelia and fibroblasts |
81 |
| Channel proteins |
| Rat/human |
Aquaporin 8(AQP8) |
Water channels |
Liver and other cells |
30 |
| Exchangers |
| Rat/human |
Anion exchanger 2(AE2) |
HCO3-/Cl- anion exchange |
Epithelia and other cells |
160 |
| Transporters |
| Rat/human |
Multidrug resistance-1(MDR1) /P-glycoprotein(P-gp)/ABCB1 |
Pleiotropic membrane transporter |
Epithelia and other cells |
170 |
| Human |
Multidrug resistance-3(MDR3)/ABCB3 |
Phospholipid transporter |
Epithelia and other cells |
170 |
| Rat |
Multidrug resistance-2(Mdr2)/ABCB2 |
Phospholipid transporter |
Epithelia and other cells |
170 |
| Rat/human |
Multidrug resistance-associated protein-2 (MRP2)/ABCC2 |
Canalicular conjugate export pump |
Epithelia and other cells |
190 |
| Rat/human |
Bile salt export pump (BSEP)/Sister of P-glycoprotein(SPGP)/ABCB11 |
Canalicular efflux of bile salts |
Epithelia and other cells |
160 |
| Rat/human |
Breast cancer resistance protein (BCRP) ABCG2 |
Canalicular conjugate export pump |
Epithelia and other cells |
75 |
| Rat/human |
Familial intrahepatic cholestasis-1(FIC1)/ATP8B1 |
Putative aminophospholipid translocator |
Liver and other cells |
144 |
