H-1 NMR-STUDY OF CONVERSION OF 13(S)-HYDROPEROXY LINOLEIC-ACID BY SOYA BEAN LIPOXYGENASE-I

被引:5
作者
EGMOND, MR
WILLIAMS, RJP
机构
[1] Inorganic Chemistry Laboratory, Oxford, 0X1 3QR, South Parks Road
关键词
D O I
10.1016/0005-2760(78)90137-6
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The conversion of 13(S)-hydroperoxy linoleic acid by lipoxygenase I at 298 K was monitored by 1H NMR and ultraviolet absorption spectroscopy. The rate constant for the conversion of the hydroperoxide, k = 45.8 ± 7.5 M-1 · s-1, depends on the concentrations of both enzyme and hydroperoxide. This constant is not affected by O2, nor by solvent isotope effects. © 1978.
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页码:141 / 148
页数:8
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