1gdi

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{{STRUCTURE_1gdi| PDB=1gdi | SCENE= }}
{{STRUCTURE_1gdi| PDB=1gdi | SCENE= }}
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'''CRYSTAL STRUCTURE OF FERRIC COMPLEXES OF THE YELLOW LUPIN LEGHEMOGLOBIN WITH ISOQUINOLINE AT 1.8 ANGSTROMS RESOLUTION (RUSSIAN)'''
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===CRYSTAL STRUCTURE OF FERRIC COMPLEXES OF THE YELLOW LUPIN LEGHEMOGLOBIN WITH ISOQUINOLINE AT 1.8 ANGSTROMS RESOLUTION (RUSSIAN)===
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==Overview==
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Haemoglobins have the ability to discriminate between oxygen and other diatomic molecules. To further understanding of this process the X-ray crystal structures of carbonmonoxy and nitrosyl-leghaemoglobin have been determined at 1.8 A resolution. The ligand geometry is discussed in detail and the controversial issue of bent versus linear carbon monoxide binding is addressed. The bond angle of 160 degrees for CO-leghaemoglobin is in conflict with recent spectroscopy results on myoglobin but is consistent with angles obtained for myoglobin X-ray crystal structures. In contrast to the numerous carbon monoxide studies, very little stereochemical information is available for the nitric oxide adduct of haemoglobin. This is provided by the X-ray structure of NO-leghaemoglobin, which conforms to expected geometry with an Fe-NO angle of 147 degrees and a lengthened iron-proximal histidine bond. Thus crystallographic evidence is given for the predicted weakening of this bond on the binding of nitric oxide.
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(as it appears on PubMed at http://www.pubmed.gov), where 8950274 is the PubMed ID number.
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{{ABSTRACT_PUBMED_8950274}}
==About this Structure==
==About this Structure==
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[[Category: Safonova, T.]]
[[Category: Safonova, T.]]
[[Category: Oxygen transport]]
[[Category: Oxygen transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 17:26:46 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 05:08:12 2008''

Revision as of 02:08, 1 July 2008

Image:1gdi.png

Template:STRUCTURE 1gdi

CRYSTAL STRUCTURE OF FERRIC COMPLEXES OF THE YELLOW LUPIN LEGHEMOGLOBIN WITH ISOQUINOLINE AT 1.8 ANGSTROMS RESOLUTION (RUSSIAN)

Template:ABSTRACT PUBMED 8950274

About this Structure

1GDI is a Single protein structure of sequence from Lupinus luteus. Full crystallographic information is available from OCA.

Reference

The binding of carbon monoxide and nitric oxide to leghaemoglobin in comparison with other haemoglobins., Harutyunyan EH, Safonova TN, Kuranova IP, Popov AN, Teplyakov AV, Obmolova GV, Valnshtein BK, Dodson GG, Wilson JC, J Mol Biol. 1996 Nov 22;264(1):152-61. PMID:8950274

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