1fzi

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[[Image:1fzi.gif|left|200px]]
 
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==METHANE MONOOXYGENASE HYDROXYLASE, FORM I PRESSURIZED WITH XENON GAS==
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The line below this paragraph, containing "STRUCTURE_1fzi", creates the "Structure Box" on the page.
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<StructureSection load='1fzi' size='340' side='right'caption='[[1fzi]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1fzi]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Methylococcus_capsulatus Methylococcus capsulatus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FZI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FZI FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.3&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=XE:XENON'>XE</scene></td></tr>
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{{STRUCTURE_1fzi| PDB=1fzi | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1fzi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fzi OCA], [https://pdbe.org/1fzi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fzi RCSB], [https://www.ebi.ac.uk/pdbsum/1fzi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fzi ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/MEMA_METCA MEMA_METCA] Responsible for the initial oxygenation of methane to methanol in methanotrophs. It also catalyzes the monohydroxylation of a variety of unactivated alkenes, alicyclic, aromatic and heterocyclic compounds.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/fz/1fzi_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1fzi ConSurf].
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<div style="clear:both"></div>
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'''METHANE MONOOXYGENASE HYDROXYLASE, FORM I PRESSURIZED WITH XENON GAS'''
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==See Also==
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*[[Methane monooxygenase 3D structures|Methane monooxygenase 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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To investigate the role of protein cavities in facilitating movement of the substrates, methane and dioxygen, in the soluble methane monooxygenase hydroxylase (MMOH), we determined the X-ray structures of MMOH from Methylococcus capsulatus (Bath) cocrystallized with dibromomethane or iodoethane, or by using crystals pressurized with xenon gas. The halogenated alkanes bind in two cavities within the alpha-subunit that extend from one surface of the protein to the buried dinuclear iron active site. Two additional binding sites were located in the beta-subunit. Pressurization of two crystal forms of MMOH with xenon resulted in the identification of six binding sites located exclusively in the alpha-subunit. These results indicate that hydrophobic species bind preferentially in preexisting cavities in MMOH and support the hypothesis that such cavities may play a functional role in sequestering and enhancing the availability of the physiological substrates for reaction at the active site.
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[[Category: Large Structures]]
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==About this Structure==
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1FZI is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Methylococcus_capsulatus Methylococcus capsulatus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FZI OCA].
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==Reference==
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Xenon and halogenated alkanes track putative substrate binding cavities in the soluble methane monooxygenase hydroxylase., Whittington DA, Rosenzweig AC, Frederick CA, Lippard SJ, Biochemistry. 2001 Mar 27;40(12):3476-82. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11297413 11297413]
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[[Category: Methane monooxygenase]]
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[[Category: Methylococcus capsulatus]]
[[Category: Methylococcus capsulatus]]
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[[Category: Protein complex]]
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[[Category: Frederick CA]]
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[[Category: Frederick, C A.]]
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[[Category: Lippard SJ]]
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[[Category: Lippard, S J.]]
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[[Category: Rosenzweig AC]]
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[[Category: Rosenzweig, A C.]]
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[[Category: Whittington DA]]
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[[Category: Whittington, D A.]]
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[[Category: Dinuclear iron center]]
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[[Category: Monooxygenase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 16:56:23 2008''
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Current revision

METHANE MONOOXYGENASE HYDROXYLASE, FORM I PRESSURIZED WITH XENON GAS

PDB ID 1fzi

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