hut operon
hut operon
发布时间：2025-02-04 08:36:13
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推荐参考答案 (
由 快搜搜题库 官方老师解答 )
答案：与His降解代谢有关的两组酶类被称为but酶(histidine utilizing enzyme),控制这些酶合成的操纵子被称为but operon。由一个多重调节的操纵子控制,有两个启动子,两个操纵区及两个正调节蛋白。but操纵子共编码4种酶和一个阻遏物。4种酶分别由hutG、hutH、hutI及hutU基因编码,阻遏物则由hutC基因编码。
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