| valine-pyruvate transaminase | <enzyme> E coli enzyme catalyzing the terminal step of valine biosynthesis; consider also EC 2.6.1.42, branched-chain-amino-acid transaminase; alanine-alpha-oxoisovalerate aminotransferase and alanine-alpha-ketoisovalerate aminotransferase were ens to alanine aminotransferase 1981-93 Registry number: EC 2.6.1.66 Synonym: alanine-valine transaminase, transaminase c, alanine alpha-ketoisovalerate aminotransferase, alanine-alpha-oxoisovalerate aminotransferase, alanine-alpha-ketoisovalerate aminotransferase (26 Jun 1999) |
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| glutamine-fructose-6-phosphate transaminase (isomerizing) | <enzyme> An enzyme that catalyses the synthesis of fructose-6-phosphate plus glutamine from glutamate plus glucosamine-6-phosphate. Chemical name: L-Glutamine:D-fructose-6-phosphate aminotransferase (hexose-isomerizing) Registry number: EC 2.6.1.16 (12 Dec 1998) |
| glutamine - phenylpyruvate transaminase | <enzyme> A cysteine conjugate beta-lyase which also carries out transamination of glutamine; without beta-lyase activity use glutamine-pyruvate aminotransferase (EC 2.6.1.15) Registry number: EC 2.6.1.64 Synonym: dichlorovinylcysteine beta-lyase, glutamine transaminase k (26 Jun 1999) |
| glutamine transaminase | <enzyme> An enzyme that reversibly converts l-glutamine, alpha-ketoglutaramate, and l-glutamate; alpha-ketoglutaramate is elevated in certain cases of hepatocoma. Synonym: glutamine transaminase. (05 Mar 2000) |
| cephalosporin C transaminase | <enzyme> Acts on cephalosporin c and a number of d-amino acids; alpha-ketoadipic and alpha-ketoglutaric acids act as acceptors Registry number: EC 2.6.1.- (26 Jun 1999) |
| cysteine conjugate transaminase | <enzyme> Generates thiopyruvates by deamination of cysteine conjugates leaving the r-s-c bond intact Registry number: EC 2.6.1.- Synonym: cysteine-conjugate alpha-ketoglutarate transaminase (26 Jun 1999) |
| N6-acetyl-beta-lysine transaminase | <enzyme> Involved in oxidative catabolism of lysine by candida maltosa; forms 2-keto-6-acetamidocaproate Registry number: EC 2.6.1.65 Synonym: n6-acetyllysine transaminase, acl-at, n6-acetyllysine 2-oxoglutarate aminotransferase (26 Jun 1999) |
| D-amino acid transaminase | <enzyme> Catalyses the alpha,beta elimination of the (d)-isomer of beta-chloroalanine or other amino acids to yield pyruvate, chloride and ammonia Registry number: EC 2.6.1.- (26 Jun 1999) |
| ornithine-oxo-acid transaminase | <enzyme> A pyridoxal phosphate enzyme that catalyses the formation of glutamate gamma-saemialdehyde and an l-amino acid from l-ornithine and a 2-keto-acid. Chemical name: L-Ornithine:2-oxo-acid aminotransferase Registry number: EC 2.6.1.13 (12 Dec 1998) |
| ornithine transaminase | <enzyme> An enzyme that will reversibly catalyze the reaction of alpha-ketoglutarate and l-ornithine to form l-glutamate and l-glutamate gamma-saemialdehyde; a deficiency of this enzyme will result in gyrate atrophy of the choroid and retina. Synonym: ornithine transaminase. (05 Mar 2000) |
| transaminase | <enzyme> A subclass of enzymes that catalyse the transfer of an amino group from a donor (generally an amino acid) to an acceptor (generally 2 keto acid) in a cyclic process using pyridoxal phosphate as cofactor, for example aspartate amino transferase catalyses the reaction: aspartate + ketoglutarate = oxaloacetate + glutamate. (18 Nov 1997) |
| tyrosine-repressible transaminase | <enzyme> From E coli; catalyses the amination of 2-ketoisocaproate to leucine; encoded by tyrb; a functional leuabcd operon is required for leucine synthesis by this enzyme Registry number: EC 2.6.1.- Synonym: transaminase d, tyrosine-2-ketoisocaproate aminotransferase (26 Jun 1999) |
| tyrosine transaminase | <enzyme> An enzyme that catalyses the conversion of l-tyrosine and 2-oxoglutarate to 4-hydroxyphenylpyruvate and l-glutamate. It is a pyridoxal-phosphate protein. L-phenylalanine can act instead of l-tyrosine. The mitochondrial enzyme may be identical with aspartate transaminase (ec 2.6.1.1.). Chemical name: L-Tyrosine:2-oxoglutarate aminotransferase Registry number: EC 2.6.1.5 (12 Dec 1998) |
| 2,4-diaminobutyric acid transaminase | <enzyme> Catalyses conversion of l-aspartate beta-saemialdehyde to l-2,4-diaminobutyric acid Registry number: EC 2.6.1.46 Synonym: ectb gene product (26 Jun 1999) |
| 4-aminobutyrate transaminase | <enzyme> An enzyme that converts brain gamma-aminobutyric acid (gaba) into succinate saemialdehyde, which can be converted to succinic acid and enter the citric acid cycle. It also acts on beta-alanine. Chemical name: 4-Aminobutanoate:2-oxoglutarate aminotransferase Registry number: EC 2.6.1.19 (12 Dec 1998) |