| Alpha-galactosidase A | Humans | Catalyzes the hydrolysis of glycosphingolipids and participates in their degradation in the lysosome | 9 | Details |
| Alpha-glucosidase | Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099) | Alpha-glycosidase with a very broad specificity. Hydrolyzes maltose and other small maltooligosaccharides but is inac... more | 5 | Details |
| Alpha-hemoglobin-stabilizing protein | Humans | Acts as a chaperone to prevent the harmful aggregation of alpha-hemoglobin during normal erythroid cell development. ... more | 6 | Details |
| Alpha-ketoglutarate-dependent dioxygenase alkB homolog 3 | Humans | Dioxygenase that mediates demethylation of DNA and RNA containing 1-methyladenosine (m1A). Repairs alkylated DNA cont... more | 1 | Details |
| Alpha-ketoglutarate-dependent dioxygenase FTO | Humans | RNA demethylase that mediates oxidative demethylation of different RNA species, such as mRNAs, tRNAs and snRNAs, and ... more | 2 | Details |
| Alpha-ketoglutarate-dependent sulfate ester dioxygenase | Pseudomonas putida | Catalyzes the oxygenolytic cleavage of 2-ethylhexyl sulfate (2-EHS) in the presence of alpha-ketoglutarate to yield 2... more | 1 | Details |
| Alpha-ketoglutarate-dependent taurine dioxygenase | Escherichia coli (strain K12) | Catalyzes the alpha-ketoglutarate-dependent hydroxylation of taurine yielding sulfite and aminoacetaldehyde after dec... more | 1 | Details |
| alpha-L-fucosidase | Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099) | Alpha-L-fucosidase is responsible for hydrolyzing the alpha-1,6-linked fucose joined to the reducing-end N-acetylgluc... more | 2 | Details |
| Alpha-L-iduronidase | Humans | Lysosomal hydrolase responsible for the degradation of the glycosaminoglycans heparan sulfate and dermatan sulfate | 3 | Details |
| Alpha-lactalbumin | Humans | Regulatory subunit of lactose synthase, changes the substrate specificity of galactosyltransferase in the mammary gla... more | 2 | Details |
| Alpha-lytic protease | Lysobacter enzymogenes | Not Available | 2 | Details |
| Alpha-mannosidase 2 | Humans | Catalyzes the first committed step in the biosynthesis of complex N-glycans. It controls conversion of high mannose t... more | 9 | Details |
| Alpha-methylacyl-CoA racemase | Humans | Not Available | 2 | Details |
| Alpha-N-acetylgalactosaminidase | Humans | Removes terminal alpha-N-acetylgalactosamine residues from glycolipids and glycopeptides. Required for the breakdown ... more | 2 | Details |
| Alpha-N-acetylglucosaminidase | Humans | Involved in the degradation of heparan sulfate | 3 | Details |
| Alpha-N-acetylneuraminate alpha-2,8-sialyltransferase ST8SIA3 | Humans | Catalyzes the transfer of sialic acid from a CMP-linked sialic acid donor onto a terminal alpha-2,3-, alpha-2,6-, or ... more | 1 | Details |
| Alpha-pyrone synthesis polyketide synthase-like Pks18 | Mycobacterium tuberculosis | Involved in the biosynthesis of tri- and tetraketide alpha-pyrones. Pks18 catalyzes the extension of medium- and long... more | 1 | Details |
| Alpha-synuclein | Humans | Neuronal protein that plays several roles in synaptic activity such as regulation of synaptic vesicle trafficking and... more | 11 | Details |
| Alpha-tocopherol transfer protein | Humans | Binds alpha-tocopherol, enhances its transfer between separate membranes, and stimulates its release from liver cells... more | 7 | Details |
| Alpha-xylosidase | Escherichia coli (strain K12) | Can catalyze the transfer of alpha-xylosyl residue from alpha-xyloside to xylose, glucose, mannose, fructose, maltose... more | 4 | Details |
| alpha1-acid glycoprotein | Humans | Not Available | 61 | Details |
| Alternative prion protein | Humans | Not Available | 1 | Details |
| Aluminum | Humans | Not Available | 1 | Details |
| Amicyanin | Paracoccus denitrificans | Primary acceptor of electrons from methylamine dehydrogenase. Passes those electrons on either a soluble cytochrome c... more | 2 | Details |
| Amidase | Pseudomonas maltophilia | Not Available | 1 | Details |