X-ray absorption studies of the Zn2+ site of glyoxalase I.

X-ray absorption studies of the Zn2+ site of glyoxalase I.
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乙二醛酶 I Zn2 位点的 X 射线吸收研究。

DOI:
10.1021/bi00299a016
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发表时间:
1984
期刊:
影响因子:
2.9
通讯作者:
Mildvan,AS
Mildvan,AS
中科院分区:
生物学3区
文献类型:
--
作者:
Garcia-Iniguez,L;Powers,L;Chance,B;Sellin,S;Mannervik,B;Mildvan,AS

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方法酶测定。通过使用分光光度法测定酶活性,以甲基乙二醛作为 2-乙醛底物(Racker,1951;Marmstál 等,1979)。通过测量 280 nm 处的吸光度来确定蛋白质浓度 [e= 0.80 (mg/mL)™ 1]。纯酶的比活力为1300单位/mg。
MethodsEnzyme Assay. Enzymatic activity was measured by using a spectrophotometric assay with methylglyoxal as the 2-ox-aldehyde substrate (Racker, 1951; Marmstál et al., 1979). Protein concentrations were determined by measuring the absorbance at 280 nm [e= 0.80 (mg/mL)™ 1]. The specific activity of the pure enzyme was 1300 units/mg.