1fcs

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[[Image:1fcs.gif|left|200px]]
[[Image:1fcs.gif|left|200px]]
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{{Structure
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|PDB= 1fcs |SIZE=350|CAPTION= <scene name='initialview01'>1fcs</scene>, resolution 1.6&Aring;
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The line below this paragraph, containing "STRUCTURE_1fcs", creates the "Structure Box" on the page.
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|SITE=
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|LIGAND= <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|GENE= SYNTHETIC GENE ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9755 Physeter catodon])
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|DOMAIN=
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{{STRUCTURE_1fcs| PDB=1fcs | SCENE= }}
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1fcs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fcs OCA], [http://www.ebi.ac.uk/pdbsum/1fcs PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1fcs RCSB]</span>
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'''CRYSTAL STRUCTURE OF A DISTAL SITE DOUBLE MUTANT OF SPERM WHALE MYOGLOBIN AT 1.6 ANGSTROMS RESOLUTION'''
'''CRYSTAL STRUCTURE OF A DISTAL SITE DOUBLE MUTANT OF SPERM WHALE MYOGLOBIN AT 1.6 ANGSTROMS RESOLUTION'''
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[[Category: Cutruzzola, F.]]
[[Category: Cutruzzola, F.]]
[[Category: Rizzi, M.]]
[[Category: Rizzi, M.]]
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[[Category: oxygen transport]]
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[[Category: Oxygen transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 16:10:54 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 20:20:26 2008''
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Revision as of 13:10, 2 May 2008

Image:1fcs.gif

Template:STRUCTURE 1fcs

CRYSTAL STRUCTURE OF A DISTAL SITE DOUBLE MUTANT OF SPERM WHALE MYOGLOBIN AT 1.6 ANGSTROMS RESOLUTION


Overview

The three-dimensional structure of sperm whale myoglobin His64(E7)-->Val,Thr67(E10)-->Arg double mutant has been studied by X-ray crystallography at 1.6 A resolution, and refined to a crystallographic R-factor of 0.197. The Arg67(E10) side chain is extended in the direction of the ligand binding site, and its NH1 atom is at a distance of 3.11 A from the NH1 atom of Arg45(CD3), which is also pointing towards the distal site. Both are kept in this position by hydrogen bonding and electrostatic interactions with a solvent sulfate ion, located amongst the two, on the protein surface. No liganded water molecule is present at the sixth coordination position of the Fe(III) heme.

About this Structure

1FCS is a Single protein structure of sequence from Physeter catodon. Full crystallographic information is available from OCA.

Reference

Crystal structure of a distal site double mutant of sperm whale myoglobin at 1.6 A resolution., Rizzi M, Bolognesi M, Coda A, Cutruzzola F, Allocatelli CT, Brancaccio A, Brunori M, FEBS Lett. 1993 Mar 29;320(1):13-6. PMID:8462669 Page seeded by OCA on Fri May 2 16:10:54 2008

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