计算溶液所需的质量、体积或浓度。

S-adenosylmethionine (SAM) carries an activated methyl group and acts as a coenzyme involved in methyl transfer reactions, present in all eukaryotic cells. SAM is synthesized intracellularly from adenosine triphosphate (ATP) and methionine under the catalysis of methionine adenosyltransferase (MAT). When acting as a coenzyme in methyl transfer reactions, it loses one methyl group and is converted to S-adenosylhomocysteine. Most S-adenosylmethionine is produced in the liver. It plays an important role in transmethylation due to its "active methyl" group. The reaction catalyzed by S-adenosylmethionine synthetase is as follows:

Basic Information
Enzyme Commission Number: EC 2.5.1.6
Molecular Weight: 46 kDa (determined by SDS-PAGE)
Source: Recombinant protein
Purity: ≥90% (determined by SDS-PAGE)
Isoelectric Point: 4.7
pH Stability: pH 7.0–9.5
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