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Methyltransferase Fluorometric Assay Kit
品牌： Cayman
产品货号： 700150
规格： 96 wells

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  • 产品名称:
    Methyltransferase Fluorometric Assay Kit
  • 别名:
    MT
  • 产品描述:
    Methylation of key biological molecules and proteins play important roles in numerous biological systems, including signal transduction, biosynthesis, protein repair, gene silencing, and chromatin regulation.{16924} The S-adenosylmethionine (SAM) dependent methyltransferases use SAM, the second most commonly used enzymatic cofactor after ATP. SAM, also known as AdoMet, acts as a donor of a methyl group that is required for the modification of proteins and DNA.{16845} Aberrant levels of SAM have been linked to many abnormalities, including Alzheimer’s Disease, depression, Parkinson’s Disease, multiple sclerosis, liver failure, and cancer.{16924,16845} Cayman’s Methyltransferase Fluorometric Assay Kit is a continuous enzyme-coupled assay that can continuously monitor SAM-dependent methyltransferases.{15387} The removal of the methyl group from SAM generates S-adenosylhomocysteine (AdoHcy), which is rapidly converted to S-ribosylhomocysteine and adenine by AdoHcy nucleosidase. This rapid conversion prevents the buildup of AdoHcy and its feedback inhibition on the methylation reaction. Finally, the adenine is converted to hypoxanthine, by adenine deaminase, which in turn is converted to urate and hydrogen peroxide (H2O2). The reaction between H2O2 and ADHP (10-acetyl-3,7,-dihydroxyphenoxazine) produces the highly fluorescent compound resorufin. Resorufin fluorescence can be easily analyzed with an excitation wavelength of 530-540 nm and an emission wavelength of 585-595 nm. The assay is supplied with AdoHcy as a positive control. The assay can be used with any purified SAM-dependent methyltransferase.
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  • 保存温度:
    -80
  • 运输温度:
    -80
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  • 存储溶液:
  • 有效期:
    180
  • 产地:
    美国
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