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Regulation of expression of methane monooxygenases by copper ions

机译:铜离子调节甲烷单加氧酶的表达

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摘要

Many methanotrophs contain both a soluble and a particulate methane monooxygenase. A unique metabolic switch, mediated by copper ions, regulates the expression of these enzymes. When the copper-to-biomass ratio of the cell is low, the soluble enzyme is expressed, and when the copper-to-biomass ratio is high, the particulate enzyme is expressed. A model for the mechanism of this switch is proposed.
机译:许多甲烷营养生物均含有可溶性和颗粒状甲烷单加氧酶。由铜离子介导的独特的代谢转换调节这些酶的表达。当细胞的铜生物量比率低时,可溶酶被表达,而当铜生物量比率高时,颗粒酶被表达。提出了该开关机制的模型。

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