1hbi: Difference between revisions

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[[Image:1hbi.~~gif~~|left|200px]]

[[Image:1hbi.png|left|200px]]

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~~'''~~CRYSTAL STRUCTURE OF OXYGENATED SCAPHARCA DIMERIC HEMOGLOBIN AT 1.7 ANGSTROMS RESOLUTION~~'''~~

===CRYSTAL STRUCTURE OF OXYGENATED SCAPHARCA DIMERIC HEMOGLOBIN AT 1.7 ANGSTROMS RESOLUTION===

~~==Overview==~~

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The ~~crystal structure of~~ the ~~cooperative dimeric hemoglobin from~~ the ~~blood clam Scapharca inaequivalvis has been determined in the oxygenated state and refined to an R-factor of 0.157~~ at 1.~~7-A resolution~~. ~~The structure~~ is ~~very similar to~~ the ~~carbon monoxide-liganded form with subtle differences in ligand binding geometry~~. ~~Oxygen binds to the heme iron in a bent conformation with Fe~~-O-O angles of 135 degrees and 150 degrees for the two subunits. These observed angles are lower than the equivalent angles in the carbon monoxide-liganded form and intermediate between the angles observed in structures of oxygenated sperm whale myoglobin and oxygenated human hemoglobin. This third high resolution structure of Scapharca dimeric hemoglobin permits a detailed analysis of the water structure in the highly hydrated interface between subunits.

The line below this paragraph, {{ABSTRACT_PUBMED_7929217}}, adds the Publication Abstract to the page

(as it appears on PubMed at http://www.pubmed.gov), where 7929217 is the PubMed ID number.

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==About this Structure==

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[[Category: Junior, W E.Royer.]]

[[Category: Oxygen transport]]

''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on ~~Fri May~~ ~~2 18~~:40:03 2008''

''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 07:56:31 2008''

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-[[Image:1hbi.gif|left|200px]]
+{{Seed}}
+[[Image:1hbi.png|left|200px]]
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 {{STRUCTURE_1hbi|  PDB=1hbi  |  SCENE=  }}
-'''CRYSTAL STRUCTURE OF OXYGENATED SCAPHARCA DIMERIC HEMOGLOBIN AT 1.7 ANGSTROMS RESOLUTION'''
+===CRYSTAL STRUCTURE OF OXYGENATED SCAPHARCA DIMERIC HEMOGLOBIN AT 1.7 ANGSTROMS RESOLUTION===
-==Overview==
+<!--
-The crystal structure of the cooperative dimeric hemoglobin from the blood clam Scapharca inaequivalvis has been determined in the oxygenated state and refined to an R-factor of 0.157 at 1.7-A resolution. The structure is very similar to the carbon monoxide-liganded form with subtle differences in ligand binding geometry. Oxygen binds to the heme iron in a bent conformation with Fe-O-O angles of 135 degrees and 150 degrees for the two subunits. These observed angles are lower than the equivalent angles in the carbon monoxide-liganded form and intermediate between the angles observed in structures of oxygenated sperm whale myoglobin and oxygenated human hemoglobin. This third high resolution structure of Scapharca dimeric hemoglobin permits a detailed analysis of the water structure in the highly hydrated interface between subunits.
+The line below this paragraph, {{ABSTRACT_PUBMED_7929217}}, adds the Publication Abstract to the page
+(as it appears on PubMed at http://www.pubmed.gov), where 7929217 is the PubMed ID number.
+-->
+{{ABSTRACT_PUBMED_7929217}}
 ==About this Structure==
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 [[Category: Junior, W E.Royer.]]
 [[Category: Oxygen transport]]
-''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May  2 18:40:03 2008''
+''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul  1 07:56:31 2008''