| Arsenite methyltransferase | Humans | Catalyzes the transfer of a methyl group from AdoMet to trivalent arsenicals producing methylated and dimethylated ar... more | 2 | Details |
| Aryl hydrocarbon receptor | Humans | Ligand-activated transcription factor that enables cells to adapt to changing conditions by sensing compounds from th... more | 39 | Details |
| Aryl hydrocarbon receptor nuclear translocator | Humans | Transcription factor that functions as an obligate heterodimerization partner for several basic helix-loop-helix PER-... more | 1 | Details |
| Arylacetamide deacetylase-like 2 | Humans | Not Available | 2 | Details |
| Arylamine N-acetyltransferase | Mycobacterium tuberculosis | Catalyzes the transfer of the acetyl group from acetyl coenzyme A to the free amino group of arylamines and hydrazine... more | 4 | Details |
| Arylamine N-acetyltransferase | Helicobacter pylori | Not Available | 2 | Details |
| Arylamine N-acetyltransferase 1 | Humans | Xenobiotic-metabolizing enzyme that catalyzes both N-acetylation (usually detoxification) and O-acetylation (usually ... more | 6 | Details |
| Arylamine N-acetyltransferase 2 | Humans | Catalyzes the N- or O-acetylation of various arylamine and heterocyclic amine substrates. Participates in the detoxif... more | 13 | Details |
| Arylsulfatase | Pseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228) | Hydrolyzes the bond between sulfate and the aromatic ring in a compound such as 4-nitrocatechol sulfate. | 1 | Details |
| Arylsulfatase A | Humans | Lysosomal enzyme that catalyzes the hydrolysis of cerebroside-3-sulfate (N-acyl-1-beta-D-(3-O-sulfo)-galactosyl-sphin... more | 8 | Details |
| Arylsulfatase B | Humans | Removes sulfate groups from chondroitin-4-sulfate (C4S) and regulates its degradation. Involved in the regulation of ... more | 3 | Details |
| Arylsulfate sulfotransferase AssT | Escherichia coli O1:K1 / APEC | Catalyzes the transfer of sulfuryl groups between phenolic compounds. | 3 | Details |
| Asc-type amino acid transporter 1 | Humans | Associates with SLC3A2/4F2hc to form a functional heterodimeric complex that translocates small neutral L- and D-amin... more | 1 | Details |
| Asialoglycoprotein receptor 1 | Humans | Transmembrane protein predominantly expressed on hepatocytes that plays a key role in endocytosis of plasma glycoprot... more | 7 | Details |
| Asialoglycoprotein receptor 2 | Humans | Mediates the endocytosis of plasma glycoproteins to which the terminal sialic acid residue on their complex carbohydr... more | 4 | Details |
| Asparagine synthetase [glutamine-hydrolyzing] | Humans | Catalyzes the ATP-dependent synthesis of L-asparagine from L-aspartate, using L-glutamine as a source of nitrogen. Ca... more | 5 | Details |
| Asparagine--tRNA ligase, cytoplasmic | Humans | Catalyzes the attachment of asparagine to tRNA(Asn) in a two-step reaction: asparagine is first activated by ATP to f... more | 1 | Details |
| Asparaginyl-tRNA synthetase | Humans | Mitochondrial aminoacyl-tRNA synthetase that catalyzes the specific attachment of the asparagine amino acid (aa) to t... more | 1 | Details |
| Aspartate 1-decarboxylase | Shigella flexneri | Catalyzes the pyruvoyl-dependent decarboxylation of aspartate to produce beta-alanine. | 2 | Details |
| Aspartate aminotransferase | Escherichia coli (strain K12) | Not Available | 14 | Details |
| Aspartate aminotransferase | Humans | Not Available | 3 | Details |
| Aspartate aminotransferase | Thermus thermophilus | Not Available | 1 | Details |
| Aspartate aminotransferase, cytoplasmic | Humans | Biosynthesis of L-glutamate from L-aspartate or L-cysteine. Important regulator of levels of glutamate, the major exc... more | 11 | Details |
| Aspartate aminotransferase, mitochondrial | Humans | Catalyzes the irreversible transamination of the L-tryptophan metabolite L-kynurenine to form kynurenic acid (KA). As... more | 7 | Details |
| Aspartate ammonia-lyase | Escherichia coli (strain K12) | Catalyzes the reversible conversion of L-aspartate to fumarate and ammonia. In the reverse reaction, consumption of f... more | 1 | Details |