Description
Experimental Technique/Method:X-RAY DIFFRACTION
Resolution:2.8
Classification:OXIDOREDUCTASE, MEMBRANE PROTEIN
Release Date:2005-02-08
Deposition Date:2004-12-28
Revision Date:2008-04-30#2011-07-13#2017-10-11
Molecular Weight:314571.69
Macromolecule Type:Protein
Residue Count:2754
Atom Site Count:19772
DOI:10.2210/pdb1yew/pdb
Abstract:
Particulate methane monooxygenase (pMMO) is an integral membrane metalloenzyme that catalyses the conversion of methane to methanol. Knowledge of how pMMO performs this extremely challenging chemistry may have an impact on the use of methane as an alternative energy source by facilitating the development of new synthetic catalysts. We have determined the structure of pMMO from the methanotroph Methylococcus capsulatus (Bath) to a resolution of 2.8 A. The enzyme is a trimer with an alpha3beta3gamma3 polypeptide arrangement. Two metal centres, modelled as mononuclear copper and dinuclear copper, are located in soluble regions of each pmoB subunit, which resembles cytochrome c oxidase subunit II. A third metal centre, occupied by zinc in the crystal, is located within the membrane. The structure provides new insight into the molecular details of biological methane oxidation.
Resolution:2.8
Classification:OXIDOREDUCTASE, MEMBRANE PROTEIN
Release Date:2005-02-08
Deposition Date:2004-12-28
Revision Date:2008-04-30#2011-07-13#2017-10-11
Molecular Weight:314571.69
Macromolecule Type:Protein
Residue Count:2754
Atom Site Count:19772
DOI:10.2210/pdb1yew/pdb
Abstract:
Particulate methane monooxygenase (pMMO) is an integral membrane metalloenzyme that catalyses the conversion of methane to methanol. Knowledge of how pMMO performs this extremely challenging chemistry may have an impact on the use of methane as an alternative energy source by facilitating the development of new synthetic catalysts. We have determined the structure of pMMO from the methanotroph Methylococcus capsulatus (Bath) to a resolution of 2.8 A. The enzyme is a trimer with an alpha3beta3gamma3 polypeptide arrangement. Two metal centres, modelled as mononuclear copper and dinuclear copper, are located in soluble regions of each pmoB subunit, which resembles cytochrome c oxidase subunit II. A third metal centre, occupied by zinc in the crystal, is located within the membrane. The structure provides new insight into the molecular details of biological methane oxidation.
| Date made available | 2005 |
|---|---|
| Publisher | RCSB-PDB |