2hmq

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{{STRUCTURE_2hmq| PDB=2hmq | SCENE= }}
{{STRUCTURE_2hmq| PDB=2hmq | SCENE= }}
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'''THE STRUCTURES OF MET AND AZIDOMET HEMERYTHRIN AT 1.66 ANGSTROMS RESOLUTION'''
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===THE STRUCTURES OF MET AND AZIDOMET HEMERYTHRIN AT 1.66 ANGSTROMS RESOLUTION===
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==Overview==
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The crystallographic refinement of met and azidomet hemerythrin has been carried out at 1.66 A resolution in an attempt to characterize precisely the binuclear iron center in this protein. Restrained least-squares refinement has produced molecular models giving R-values of 18.9% for met (65,683 reflections from 10 A to 1.66 A) and 17.6% for azidomet hemerythrin (68,747 reflections from 10.0 A to 1.66 A). The protein structure in each derivative is very similar to that of myohemerythrin. The mu-oxo bridged iron center differs between the two forms. The complex in met hemerythrin is asymmetric with the bridging oxygen closer to one of the iron atoms while the complex in azidomet hemerythrin is symmetric. After investigations of the effects of correlation in the refinement, we believe this difference between the two complexes is associated with chemical differences and is not a refinement artefact.
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(as it appears on PubMed at http://www.pubmed.gov), where 1870128 is the PubMed ID number.
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{{ABSTRACT_PUBMED_1870128}}
==About this Structure==
==About this Structure==
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[[Category: Stenkamp, R E.]]
[[Category: Stenkamp, R E.]]
[[Category: Oxygen transport]]
[[Category: Oxygen transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 06:28:07 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 11:30:45 2008''

Revision as of 08:30, 29 July 2008

Image:2hmq.png

Template:STRUCTURE 2hmq

THE STRUCTURES OF MET AND AZIDOMET HEMERYTHRIN AT 1.66 ANGSTROMS RESOLUTION

Template:ABSTRACT PUBMED 1870128

About this Structure

2HMQ is a Single protein structure of sequence from Themiste dyscritum. This structure supersedes the now removed PDB entries and 1hmn. Full crystallographic information is available from OCA.

Reference

Structures of met and azidomet hemerythrin at 1.66 A resolution., Holmes MA, Stenkamp RE, J Mol Biol. 1991 Aug 5;220(3):723-37. PMID:1870128

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