MMOH is the active site of MMO, its catalysis reaction mechanism mainly includes the activation of alkyl and oxygen molecule.

羟基化酶是其催化活性中心，它的催化机理的研究主要包括烷烃的活化和分子氧的活化这两个方面。

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The constitutes and functions of these two forms are presented in this paper. MMO is a sort of three-enzyme complex system including MMOH, MMOB and MMOR.

甲烷单加氧酶是一个三组分复合酶体系，三组分分别是羟基化酶（MMOH）、调节蛋白B（MMOB）和还原酶（MMOR）。

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