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Glycine/sarcosine N-methyltransferase
| Field | Value |
|---|---|
| Name | Glycine/sarcosine N-methyltransferase |
| EC_number | 2.1.1.156 |
| CAS_number | 294210-82-5 |
Glycine/sarcosine N-methyltransferase (, ApGSMT, glycine-sarcosine methyltransferase, GSMT, GMT, glycine sarcosine N-methyltransferase, S-adenosyl-L-methionine:sarcosine N-methyltransferase) is an enzyme with systematic name S-adenosyl-L-methionine:glycine(or sarcosine) N-methyltransferase (sarcosine(or N,N-dimethylglycine)-forming). This enzyme catalyses the following chemical reaction
: 2 S-adenosyl-L-methionine + glycine \rightleftharpoons 2 S-adenosyl-L-homocysteine + N,N-dimethylglycine (overall reaction) :(1a) S-adenosyl-L-methionine + glycine \rightleftharpoons S-adenosyl-L-homocysteine + sarcosine :(1b) S-adenosyl-L-methionine + sarcosine \rightleftharpoons S-adenosyl-L-homocysteine + N,N-dimethylglycine
This enzyme participates in biosynthesis of betaine from glycine in cyanobacterium Aphanocthece halophytica.
References
References
- (July 2000). "Extreme halophiles synthesize betaine from glycine by methylation". The Journal of Biological Chemistry.
- (May 2001). "Characterization of glycine sarcosine N-methyltransferase and sarcosine dimethylglycine N-methyltransferase". Applied and Environmental Microbiology.
- (February 2003). "Isolation and functional characterization of N-methyltransferases that catalyze betaine synthesis from glycine in a halotolerant photosynthetic organism Aphanothece halophytica". The Journal of Biological Chemistry.
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