2e2y

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[[Image:2e2y.jpg|left|200px]]
[[Image:2e2y.jpg|left|200px]]
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{{Structure
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|PDB= 2e2y |SIZE=350|CAPTION= <scene name='initialview01'>2e2y</scene>, resolution 1.60&Aring;
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The line below this paragraph, containing "STRUCTURE_2e2y", creates the "Structure Box" on the page.
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|LIGAND= <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>
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{{STRUCTURE_2e2y| PDB=2e2y | SCENE= }}
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2e2y FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2e2y OCA], [http://www.ebi.ac.uk/pdbsum/2e2y PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2e2y RCSB]</span>
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'''Crystal Structure of F43W/H64D/V68I Myoglobin'''
'''Crystal Structure of F43W/H64D/V68I Myoglobin'''
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[[Category: Watanabe, Y.]]
[[Category: Watanabe, Y.]]
[[Category: Yamane, T.]]
[[Category: Yamane, T.]]
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[[Category: oxygen storage/transport]]
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[[Category: Oxygen storage/transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 01:49:40 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 02:42:57 2008''
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Revision as of 22:49, 3 May 2008

Image:2e2y.jpg

Template:STRUCTURE 2e2y

Crystal Structure of F43W/H64D/V68I Myoglobin


Overview

A series of myoglobin mutants, in which distal sites are modified by site-directed mutagenesis, are able to catalyze peroxidase, catalase, and P450 reactions even though their proximal histidine ligands are intact. More importantly, reactions of P450, catalase, and peroxidase substrates and compound I of myoglobin mutants can be observed spectroscopically. Thus, detailed oxidation mechanisms were examined. On the basis of these results, we suggest that the different reactivities of P450, catalase, and peroxidase are mainly caused by their active site structures, but not the axial ligand. We have also prepared compound 0 under physiological conditions by employing a mutant of cytochrome c 552. Compound 0 is not able to oxidize ascorbic acid.

About this Structure

2E2Y is a Single protein structure of sequence from Physeter catodon. Full crystallographic information is available from OCA.

Reference

Reactivities of oxo and peroxo intermediates studied by hemoprotein mutants., Watanabe Y, Nakajima H, Ueno T, Acc Chem Res. 2007 Jul;40(7):554-62. Epub 2007 Jun 14. PMID:17567089 Page seeded by OCA on Sun May 4 01:49:40 2008

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