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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
ATP + L-methionine + H2O
S-adenosyl-L-methionine + phosphate + diphosphate
additional information
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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aspartate family biosynthesis pathway and methionine metabolism, regulation, S-adenosyl-L-methionine activates threonine synthase expression and negatively regulates the transcript level of the cystathionine gamma-synthase, overview
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
S-adenosylmethionine synthetase 3 is important for pollen tube growth
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
S-adenosyl-L-methionine is required for betaine synthesis and also for the synthesis of other compounds, especially lignin, transcript levels of the enzyme are co-regulated with those of phosphoethanolamine N-methyltransferase and choline monooxygenase to supply S-adenosyl-L-methionine for betaine synthesis in the leaves, overview, enzyme regulation pattern in plant tissues, overview
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
biosynthesis of the key compound in the trans-methylation reactions
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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the S(MK) box, a conserved RNA motif in the 5'-untranslated region of the metK gene, is a SAM-binding RNA responsible for translational regulation of the enzyme, it binds specifically to S-adenosyl-L-methionine in vitro and in vivo causing a structural RNA rearrangement that causes a sequestration of the Shine-Dalgarno sequence, structural mapping and mechanism, overview
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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an essential enzyme that catalyzes the formation of the principal methyl donor S-adenosylmethionine, S-adenosyl-L-methionine is also a key metabolite that regulates hepatocyte growth, death and differentiation, molecular mechanism, overview, abnormalities in MAT and decreased S-adenosyl-L-methionine levels occur in humans with alcoholic liver disease, chronic hepatic S-adenosyl-L-methionine deficiency can result in the spontaneous development of steatohepatitis and hepatocellular carcinoma, overview, hepatic S-adenosyl-L-methionine biosynthesis and methionine metabolism, overview
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
rate-limiting enzyme of the S-adenosyl-L-methionine synthesis pathway, cell methionine and S-adenosylmethionine contents increase in response to hyperoxia in SAE and A549 cells, overview
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
the enzyme is involved in S-adenosylmethionine synthesis in liver
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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a post-translational mechanism is involved in MAT regulation, the enzyme is down-regulated in pathological processes such as liver cirrhosis, overview
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
biosynthesis of S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
biosynthesis of S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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regulation of methionine metabolism, S-adenosyl-L-methionine metabolic pathway, overview
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
the enzyme is involved in S-adenosylmethionine synthesis in liver
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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aspartate family biosynthesis pathway and methionine metabolism,regulation, S-adenosyl-L.methionine activates threonine synthase expression and negatively regulates the transcript level of the cystathionine gamma-synthase, overview
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
the enzyme plays a key role in the biogenesis of S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
the enzyme catalyse the biosynthesis of S-adenosylmethionine, the primary methyl group donor in biochemical reactions
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
the enzyme catalyse the biosynthesis of S-adenosylmethionine, the primary methyl group donor in biochemical reactions
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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typhus group rickettsiae have the capability of synthesizing as well as transporting SAM
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
the product S-adenosyl-L-methionine plays important roles in trans-methylation, transsulfuration, and polyamine synthesis in all living cells
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
the product S-adenosyl-L-methionine plays important roles in trans-methylation, transsulfuration, and polyamine synthesis in all living cells
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
phosphate + diphosphate + S-adenosyl-L-methionine
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ATP + L-methionine + H2O
S-adenosyl-L-methionine + phosphate + diphosphate
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ATP + L-methionine + H2O
S-adenosyl-L-methionine + phosphate + diphosphate
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methyl donor in transmethylation reactions and as propylamine donor for polyamine biosynthesis
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ATP + L-methionine + H2O
S-adenosyl-L-methionine + phosphate + diphosphate
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ATP + L-methionine + H2O
S-adenosyl-L-methionine + phosphate + diphosphate
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ATP + L-methionine + H2O
S-adenosyl-L-methionine + phosphate + diphosphate
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the product S-adenosylmethionine is important as a direct metabolic donor of methyl and alpha-amino-n-butyryl groups
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ATP + L-methionine + H2O
S-adenosyl-L-methionine + phosphate + diphosphate
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two reaction steps: S-adenosylmethionine synthesis and tripolyphosphate hydrolysis. Tripolyphosphate hydrolysis is the rate determining reaction
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ATP + L-methionine + H2O
S-adenosyl-L-methionine + phosphate + diphosphate
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MAT activity controls cellular glutathione levels, polyamine synthesis and folate cycling
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ATP + L-methionine + H2O
S-adenosyl-L-methionine + phosphate + diphosphate
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ATP + L-methionine + H2O
S-adenosyl-L-methionine + phosphate + diphosphate
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used as aminopropyl group donor in synthesis of polyamines and is also the methyl group donor for most cellular methyltransferase reactions
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additional information
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protein S-nitrosylation by NO represents a redox-based regulation mechanism playing a pivotal role in plants, MAT catalyzes the synthesis of the ethylene precursor S-adenosylmethionine and NO influences ethylene production in plants, the enzyme probably mediates the cross-talk between ethylene and NO signaling, overview
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additional information
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genes in the S-box family are regulated by binding of S-adenosylmethionine to the 5' region of the mRNA of the regulated gene, SAM binding promotes a rearrangement of the RNA structure that results in premature termination of transcription in vitro and repression of expression of the downstream coding sequence, the S-box RNA element therefore acts as a SAM-binding riboswitch in vitro
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additional information
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transmethylation and transsulfuration pathways, overview
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additional information
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transmethylation and transsulfuration pathways, overview
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