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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
半胱酰胺亚砜裂解酶能够催化S-甲基-L-半胱氨酸亚砜生成丙酮酸,丙酮酸能够与2,4-二硝基苯肼反应生成2,4-二硝基苯腙,在碱性溶液中显棕红色,产物在505 nm处具有特征吸收峰,通过吸光值变化即可表征半胱酰胺亚砜裂解酶的活性。
Cysteine sulfoxide lyase catalyzes the cleavage of S-methyl-L-cysteine sulfoxide to generate pyruvate. The pyruvate further reacts with 2,4-dinitrophenylhydrazine (DNPH) to form 2,4-dinitrophenylhydrazone, which exhibits a brownish-red color in alkaline solution and possesses a characteristic absorbance peak at 505 nm. By measuring the change in absorbance at this wavelength, the activity of cysteine sulfoxide lyase can be determined.