• Thumbnail for Betaine—homocysteine S-methyltransferase
    the field of enzymology, a betaine-homocysteine S-methyltransferase also known as betaine-homocysteine methyltransferase (BHMT) is a zinc metallo-enzyme...
    6 KB (512 words) - 07:13, 23 September 2024
  • Thumbnail for Homocysteine
    DNA methyltransferase as an intermediate acceptor in the process of DNA methylation). The adenosine is then hydrolyzed to yield L-homocysteine. L-Homocysteine...
    25 KB (2,076 words) - 03:26, 16 September 2024
  • Thumbnail for Methionine synthase
    methionine from homocysteine in most individuals. In humans it is encoded by the MTR gene (5-methyltetrahydrofolate-homocysteine methyltransferase). Methionine...
    30 KB (3,437 words) - 07:25, 16 May 2024
  • Thumbnail for Methionine
    (in mammals, this step is performed by homocysteine methyltransferase or betainehomocysteine S-methyltransferase.) Although mammals cannot synthesize methionine...
    30 KB (3,080 words) - 18:02, 28 October 2024
  • Thumbnail for Levomefolic acid
    level for DNA reproduction, the cysteine cycle and the regulation of homocysteine. It is also the form found in circulation and transported across membranes...
    15 KB (1,173 words) - 11:42, 25 June 2024
  • Thumbnail for Trimethylglycine
    (restricted to liver and kidney in most mammals) involves betaine-homocysteine methyltransferase (BHMT) and requires trimethylglycine as a cofactor. During...
    22 KB (1,976 words) - 22:41, 17 August 2024
  • Thumbnail for S-Methylmethionine
    is biosynthesized from L-methionine and S-adenosylmethionine by the enzyme methionine S-methyltransferase. S-methylmethionine is particularly abundant...
    6 KB (460 words) - 11:20, 11 November 2023
  • Thumbnail for Amino acid synthesis
    (in mammals, this step is performed by homocysteine methyltransferase or betainehomocysteine S-methyltransferase.) Methionine biosynthesis is subject to...
    31 KB (3,929 words) - 13:49, 28 June 2024
  • Thumbnail for Methylenetetrahydrofolate reductase
    converted to methionine by the folate-independent enzyme betaine-homocysteine methyltransferase (BHMT).) MTHFR contains a bound flavin cofactor and uses...
    34 KB (3,737 words) - 07:12, 15 April 2024
  • N-dimethylglycine) N-methyltransferase (sarcosine(or N,N-dimethylglycine or betaine)-forming). This enzyme catalyses the following chemical reaction 3 S-adenosyl-L-methionine...
    2 KB (200 words) - 03:03, 29 January 2024
  • Thumbnail for 5,10-Methylenetetrahydrofolate
    10-methylenetetrahydrofolate; BAX: Bcl-2-associated X protein; BHMT: betaine-homocysteine S-methyltransferase; CBS: cystathionine beta synthase; CGL: cystathionine gamma-lyase;...
    6 KB (324 words) - 18:37, 28 April 2023
  • N-dimethylglycine ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + betaine This enzyme is purified from the marine cyanobacterium Synechococcus...
    1 KB (127 words) - 13:52, 26 August 2023
  • \rightleftharpoons } 2 S-adenosyl-L-homocysteine + betaine (overall reaction) (1a) S-adenosyl-L-methionine + sarcosine ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine...
    3 KB (265 words) - 15:47, 26 August 2023
  • Glycine/sarcosine N-methyltransferase (EC 2.1.1.156, ApGSMT, glycine-sarcosine methyltransferase, GSMT, GMT, glycine sarcosine N-methyltransferase, S...
    3 KB (262 words) - 14:22, 26 August 2023
  • Thumbnail for Choline
    synthesis of choline and glycine betaine in transgenic tobacco plants that overexpress phosphoethanolamine N-methyltransferase". Proceedings of the National...
    57 KB (5,791 words) - 06:22, 1 November 2024
  • restricted to liver and kidney in most mammals, involves betaine-homocysteine methyltransferase (BHMT) and requires trimethylglycine as a cofactor. Remethylation...
    3 KB (369 words) - 16:05, 11 April 2024
  • Thumbnail for Glycocyamine
    intake of methyl providing substances such as betaine appears advisable because of the risk of homocysteine formation with glycocyamine alone. M. Strecker...
    9 KB (844 words) - 12:52, 26 March 2024
  • acetylserotonin O-methyltransferase EC 2.1.1.5: betainehomocysteine S-methyltransferase EC 2.1.1.6: catechol O-methyltransferase EC 2.1.1.7: nicotinate...
    215 KB (21,664 words) - 23:41, 8 May 2024
  • Thumbnail for Autophagy
    site-specific fragmentation in cell lines. The degradation of betaine homocysteine methyltransferase (BHMT), a metabolic enzyme, could be used to assess autophagy...
    77 KB (9,111 words) - 09:15, 16 October 2024
  • 500 – methyltransferases MeSH D08.811.913.555.500.100 – acetylserotonin n-methyltransferase MeSH D08.811.913.555.500.175 – betaine-homocysteine S-methyltransferase...
    158 KB (15,232 words) - 06:41, 8 March 2024