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单词 Lipooxygenase
释义

Lipooxygenase

英语百科

Lipoxygenase

Rabbit 15-lipoxygenase (blue) with inhibitor (yellow) bound in the active site

Lipoxygenases (EC1.13.11.-) are a family of iron-containing enzymes most of which catalyze the dioxygenation of polyunsaturated fatty acids in lipids containing a cis,cis-1,4- pentadiene structure as shown in the following reaction:

The lipoxygenases are related to each other based upon their similar genetic structure and dioxygenation activity. However, one lipoxygenase, ALOXE3, while having a lipoxygenase genetic structure, possesses relatively little dioxygenation activity; rather its primary activity appears to be as an isomerase that catalyzes the conversion of hydroperoxy unsaturated fatty acids to their 1,5-epoxide,hydroxyl derivatives.

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更新时间:2025/6/18 0:10:39