1l2k

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[[Image:1l2k.gif|left|200px]]
 
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==Neutron Structure Determination of Sperm Whale Met-Myoglobin at 1.5A Resolution.==
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The line below this paragraph, containing "STRUCTURE_1l2k", creates the "Structure Box" on the page.
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<StructureSection load='1l2k' size='340' side='right'caption='[[1l2k]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1l2k]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Physeter_catodon Physeter catodon]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1L2K OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1L2K FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Neutron Diffraction, [[Resolution|Resolution]] 1.5&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=DOD:DEUTERATED+WATER'>DOD</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=ND4:AMMONIUM+CATION+WITH+D'>ND4</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_1l2k| PDB=1l2k | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1l2k FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1l2k OCA], [https://pdbe.org/1l2k PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1l2k RCSB], [https://www.ebi.ac.uk/pdbsum/1l2k PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1l2k ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/MYG_PHYMC MYG_PHYMC] Serves as a reserve supply of oxygen and facilitates the movement of oxygen within muscles.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/l2/1l2k_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1l2k ConSurf].
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<div style="clear:both"></div>
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'''Neutron Structure Determination of Sperm Whale Met-Myoglobin at 1.5A Resolution.'''
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==See Also==
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*[[Myoglobin 3D structures|Myoglobin 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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From the first days of protein neutron structure determination sperm whale myoglobin was an object under investigation [Nature 224 (1969) 143, J. Mol. Biol. 220 (1991) 381]. Nevertheless myoglobin is still of interest [Proc. Natl. Acad. Sci. USA 97 (2000) 3872]. The feasibility of the monochromatic neutron diffractometer BIX-3 at the JRR-3M reactor at the JAERI [J. Phys. Chem. Solids 60 (1999) 1623], to collect high-resolution diffraction data in a relatively short time stimulated us to repeat the structural determination of myoglobin. The structure of metmyoglobin has been determined up to a resolution of 1.5 A. The hydrogen atoms were replaced in part, by deuterium soaking the crystals for more than 10 years in D(2)O. A refinement of all atoms has been performed including the refinement of individual mean square displacements and occupancies of the exchangeable protons in backbone hydrogen bonds. A method is described to show clear negative scattering densities of the H atoms. Water molecules within the protein and on the molecule surface are shown. The exchangeability of H atoms is correlated with structural distribution and flexibility.
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[[Category: Large Structures]]
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==About this Structure==
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1L2K is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Physeter_catodon Physeter catodon]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1L2K OCA].
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==Reference==
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Hydrogen and deuterium in myoglobin as seen by a neutron structure determination at 1.5 A resolution., Ostermann A, Tanaka I, Engler N, Niimura N, Parak FG, Biophys Chem. 2002 Mar 28;95(3):183-93. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12062378 12062378]
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[[Category: Physeter catodon]]
[[Category: Physeter catodon]]
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[[Category: Single protein]]
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[[Category: Engler N]]
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[[Category: Engler, N.]]
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[[Category: Niimura N]]
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[[Category: Niimura, N.]]
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[[Category: Ostermann A]]
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[[Category: Ostermann, A.]]
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[[Category: Parak FG]]
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[[Category: Parak, F G.]]
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[[Category: Tanaka I]]
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[[Category: Tanaka, I.]]
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[[Category: Heme protein]]
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[[Category: Hydration structure]]
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[[Category: Hydrogen atom]]
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[[Category: Neutron structure]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 23:28:10 2008''
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Current revision

Neutron Structure Determination of Sperm Whale Met-Myoglobin at 1.5A Resolution.

PDB ID 1l2k

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