Studies on the oxidase activity of copper(II) carboxypeptidase A

Studies on the oxidase activity of copper(II) carboxypeptidase A
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铜(II)羧肽酶A氧化酶活性的研究

DOI:
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发表时间:
1976
期刊:
影响因子:
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通讯作者:
E. Kaiser
E. Kaiser
中科院分区:
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文献类型:
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作者:
K. Yamamura;E. Kaiser

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铜 (II) 羧肽酶 A 催化抗坏血酸的氧化,并且该反应被 α-苄基琥珀酸酯抑制,α-苄基琥珀酸酯是铜酶硫酯酶作用的已知抑制剂; kcat 和 kcat/Km 的 pH 依赖性在 pH 7 附近与天然羧肽酶 A 的肽酶和酯酶活性相似。
Copper(II) carboxypeptidase A catalyses the oxidation of ascorbic acid and this reaction is inhibited by α-benzylsuccinate, a known inhibitor of the thiolesterase action of the copper enzyme; the pH dependencies of kcat and kcat/Km are similar near pH 7 to those seen for the peptidase and esterase activities of native carboxypeptidase A.