| Alkaline phosphatase | Escherichia coli (strain K12) | Not Available | 5 | Details |
| Alkaline phosphatase, germ cell type | Humans | Alkaline phosphatase that can hydrolyze various phosphate compounds | 4 | Details |
| Alkaline phosphatase, placental type | Humans | Alkaline phosphatase that can hydrolyze various phosphate compounds | 2 | Details |
| Alkaline phosphatase, tissue-nonspecific isozyme | Mouse | Alkaline phosphatase that metabolizes various phosphate compounds and plays a key role in skeletal mineralization and... more | 1 | Details |
| Alkaline phosphatase, tissue-nonspecific isozyme | Humans | Alkaline phosphatase that metabolizes various phosphate compounds and plays a key role in skeletal mineralization and... more | 8 | Details |
| Alkaline protease | Bacillus alcalophilus | Not Available | 1 | Details |
| Alkyl hydroperoxide reductase subunit F | Escherichia coli (strain K12) | Serves to protect the cell against DNA damage by alkyl hydroperoxides. It can use either NADH or NADPH as electron do... more | 1 | Details |
| Alkyl hydroperoxide reductase subunit F | Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) | Serves to protect the cell against DNA damage by alkyl hydroperoxides. It can use either NADH or NADPH as electron do... more | 1 | Details |
| All-trans-retinol 13,14-reductase | Humans | Catalyzes the saturation of all-trans-retinol to all-trans-13,14-dihydroretinol. Does not exhibit any activity toward... more | 1 | Details |
| All-trans-retinol dehydrogenase [NAD(+)] ADH1B | Humans | Catalyzes the NAD-dependent oxidation of all-trans-retinol and its derivatives such as all-trans-4-hydroxyretinol and... more | 13 | Details |
| All-trans-retinol dehydrogenase [NAD(+)] ADH4 | Humans | Catalyzes the NAD-dependent oxidation of either all-trans-retinol or 9-cis-retinol. Also oxidizes long chain omega-hy... more | 4 | Details |
| All-trans-retinol dehydrogenase [NAD(+)] ADH7 | Humans | Catalyzes the NAD-dependent oxidation of all-trans-retinol, alcohol, and omega-hydroxy fatty acids and their derivati... more | 6 | Details |
| Allantoate amidohydrolase | Escherichia coli (strain K12) | Involved in the anaerobic nitrogen utilization via the assimilation of allantoin. Catalyzes specifically the hydrolys... more | 1 | Details |
| Alpha adrenergic receptor | Humans | Not Available | 31 | Details |
| Alpha globin | Humans | Involved in oxygen transport from the lung to the various peripheral tissues. | 2 | Details |
| Alpha glucosidase (GAA) | Humans | Not Available | 1 | Details |
| Alpha-(1,3)-fucosyltransferase 4 | Humans | Catalyzes alpha(1->3) linkage of fucosyl moiety transferred from GDP-beta-L-fucose to N-acetyl glucosamine (GlcNAc... more | 1 | Details |
| Alpha-(1,3)-fucosyltransferase 7 | Humans | Catalyzes the transfer of L-fucose, from a guanosine diphosphate-beta-L-fucose, to the N-acetyl glucosamine (GlcNAc) ... more | 1 | Details |
| Alpha-(1,6)-fucosyltransferase | Humans | Catalyzes the addition of fucose in alpha 1-6 linkage to the first GlcNAc residue, next to the peptide chains in N-gl... more | 1 | Details |
| Alpha-1 adrenergic receptors | Humans | Not Available | 53 | Details |
| Alpha-1,3-mannosyl-glycoprotein 2-beta-N-acetylglucosaminyltransferase | Humans | Initiates complex N-linked carbohydrate formation. Essential for the conversion of high-mannose to hybrid and complex... more | 1 | Details |
| Alpha-1-acid glycoprotein 1 | Humans | Functions as a transport protein in the blood stream. Binds various ligands in the interior of its beta-barrel domain... more | 101 | Details |
| Alpha-1-acid glycoprotein 2 | Humans | Functions as a transport protein in the blood stream. Binds various hydrophobic ligands in the interior of its beta-b... more | 6 | Details |
| Alpha-1-antichymotrypsin | Humans | Although its physiological function is unclear, it can inhibit neutrophil cathepsin G and mast cell chymase, both of ... more | 5 | Details |
| Alpha-1-antitrypsin | Humans | Inhibitor of serine proteases. Its primary target is elastase, but it also has a moderate affinity for plasmin and th... more | 15 | Details |