the field of enzymology, a betaine-homocysteine S-methyltransferase also known as betaine-homocysteine methyltransferase (BHMT) is a zinc metallo-enzyme...
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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) - 02:02, 19 November 2024
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
Methionine (section S-Adenosylmethionine)
(in mammals, this step is performed by homocysteine methyltransferase or betaine—homocysteine S-methyltransferase.) Although mammals cannot synthesize methionine...
30 KB (3,080 words) - 18:02, 28 October 2024
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
Trimethylglycine (redirect from Glycine betaine)
(restricted to liver and kidney in most mammals) involves betaine-homocysteine methyltransferase (BHMT) and requires trimethylglycine as a cofactor. During...
22 KB (1,973 words) - 03:17, 19 November 2024
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
(in mammals, this step is performed by homocysteine methyltransferase or betaine—homocysteine S-methyltransferase.) Methionine biosynthesis is subject to...
31 KB (3,929 words) - 13:49, 28 June 2024
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
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) N-methyltransferase (sarcosine(or N,N-dimethylglycine or betaine)-forming). This enzyme catalyses the following chemical reaction 3 S-adenosyl-L-methionine...
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N-dimethylglycine ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + betaine This enzyme is purified from the marine cyanobacterium Synechococcus...
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\rightleftharpoons } 2 S-adenosyl-L-homocysteine + betaine (overall reaction) (1a) S-adenosyl-L-methionine + sarcosine ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine...
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Glycine/sarcosine N-methyltransferase (EC 2.1.1.156, ApGSMT, glycine-sarcosine methyltransferase, GSMT, GMT, glycine sarcosine N-methyltransferase, S...
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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
intake of methyl providing substances such as betaine appears advisable because of the risk of homocysteine formation with glycocyamine alone. M. Strecker...
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restricted to liver and kidney in most mammals, involves betaine-homocysteine methyltransferase (BHMT) and requires trimethylglycine as a cofactor. Remethylation...
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acetylserotonin O-methyltransferase EC 2.1.1.5: betaine—homocysteine 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
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
site-specific fragmentation in cell lines. The degradation of betaine homocysteine methyltransferase (BHMT), a metabolic enzyme, could be used to assess autophagy...
77 KB (9,126 words) - 04:16, 21 November 2024