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Issue 21, 2005
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The quest for the particulate methane monooxygenase active site

Raquel L. Liebermana  and  Amy C. Rosenzweig*a 
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* Corresponding authors

a Departments of Biochemistry, Molecular Biology and Cell Biology and of Chemistry, Northwestern University, Evanston, USA
E-mail: amyr@northwestern.edu

Abstract

Particulate methane monooxygenase is a copper-containing, membrane-bound metalloenzyme that converts methane to methanol in Nature. How pMMO accomplishes this difficult reaction under ambient conditions is one of the major unsolved problems in bioinorganic chemistry. Despite considerable research efforts in the past 20 years, the active site of the enzyme remains unknown. We recently solved the first crystal structure of pMMO to 2.8 Å resolution, revealing the overall structure, oligomerization state, subunit ratio, and composition and location of the metal centers. Almost none of the key structural features were predicted. In this Perspective, we review the state of knowledge before and after the structure determination, emphasizing elucidation of the pMMO active site.

Graphical abstract: The quest for the particulate methane monooxygenase active site

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Publication details

The article was received on 11 May 2005, accepted on 07 Jun 2005 and first published on 26 Sep 2005


Article type: Perspective
DOI: 10.1039/B506651D
Citation: Dalton Trans., 2005,0, 3390-3396
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    The quest for the particulate methane monooxygenase active site

    R. L. Lieberman and A. C. Rosenzweig, Dalton Trans., 2005, 0, 3390
    DOI: 10.1039/B506651D

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