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In the field of enzymology, a betaine-homocysteine S-methyltransferase also known as betaine-homocysteine methyltransferase (BHMT) is a zinc metallo-enzyme that catalyzes the transfer of a methyl group from trimethylglycine and a hydrogen ion from homocysteine to produce dimethylglycine and methionine respectively: [2]
In enzymology, a homocysteine S-methyltransferase (EC 2.1.1.10) is an enzyme that catalyzes the chemical reaction. S-methylmethionine + L-homocysteine 2 L-methionine. Thus, the two substrates of this enzyme are S-methylmethionine and L-homocysteine, and it produces 2 molecules of L-methionine.
Dimethylglycine N-methyltransferase (EC 2.1.1.161, BsmB, DMT) is an enzyme with systematic name S-adenosyl-L-methionine:N,N-dimethylglycine N-methyltransferase (betaine-forming). [1] This enzyme catalyses the following chemical reaction
Sarcosine/dimethylglycine N-methyltransferase (EC 2.1.1.157, ApDMT, sarcosine-dimethylglycine methyltransferase, SDMT, sarcosine dimethylglycine N-methyltransferase, S-adenosyl-L-methionine:N,N-dimethylglycine N-methyltransferase) is an enzyme with systematic name S-adenosyl-L-methionine:sarcosine(or N,N-dimethylglycine) N-methyltransferase (N,N-dimethylglycine(or betaine)-forming).
EC 2.1.1.376: glycine betaine—corrinoid protein Co-methyltransferase EC 2.1.1.377 : [methyl-Co(III) glycine betaine-specific corrinoid protein]—coenzyme M methyltransferase EC 2.1.1.378 : [methyl-Co(III) glycine betaine-specific corrinoid protein]—tetrahydrofolate methyltransferase
Pages for logged out editors learn more. Contributions; Talk; Betaine-homocysteine methyltransferase
In humans it is encoded by the MTR gene (5-methyltetrahydrofolate-homocysteine methyltransferase). [ 5 ] [ 6 ] Methionine synthase forms part of the S-adenosylmethionine (SAMe) biosynthesis and regeneration cycle, [ 7 ] and is the enzyme responsible for linking the cycle to one-carbon metabolism via the folate cycle.
In enzymology, a thiol S-methyltransferase (EC 2.1.1.9) is an enzyme that catalyzes the chemical reaction. S-adenosyl-L-methionine + a thiol ...