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4dc7

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==Crystal Structure of Myoglobin Exposed to Excessive SONICC Imaging Laser Dose.==
==Crystal Structure of Myoglobin Exposed to Excessive SONICC Imaging Laser Dose.==
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<StructureSection load='4dc7' size='340' side='right' caption='[[4dc7]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
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<StructureSection load='4dc7' size='340' side='right'caption='[[4dc7]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4dc7]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Equus_caballus Equus caballus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4DC7 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4DC7 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4dc7]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Equus_caballus Equus caballus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4DC7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4DC7 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.5&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4dc8|4dc8]]</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=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4dc7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4dc7 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4dc7 RCSB], [http://www.ebi.ac.uk/pdbsum/4dc7 PDBsum]</span></td></tr>
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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=4dc7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4dc7 OCA], [https://pdbe.org/4dc7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4dc7 RCSB], [https://www.ebi.ac.uk/pdbsum/4dc7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4dc7 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/MYG_HORSE MYG_HORSE]] Serves as a reserve supply of oxygen and facilitates the movement of oxygen within muscles.
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[https://www.uniprot.org/uniprot/MYG_HORSE MYG_HORSE] Serves as a reserve supply of oxygen and facilitates the movement of oxygen within muscles.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The potential of second-harmonic generation (SHG) microscopy for automated crystal centering to guide synchrotron X-ray diffraction of protein crystals was explored. These studies included (i) comparison of microcrystal positions in cryoloops as determined by SHG imaging and by X-ray diffraction rastering and (ii) X-ray structure determinations of selected proteins to investigate the potential for laser-induced damage from SHG imaging. In studies using beta2 adrenergic receptor membrane-protein crystals prepared in lipidic mesophase, the crystal locations identified by SHG images obtained in transmission mode were found to correlate well with the crystal locations identified by raster scanning using an X-ray minibeam. SHG imaging was found to provide about 2 microm spatial resolution and shorter image-acquisition times. The general insensitivity of SHG images to optical scatter enabled the reliable identification of microcrystals within opaque cryocooled lipidic mesophases that were not identified by conventional bright-field imaging. The potential impact of extended exposure of protein crystals to five times a typical imaging dose from an ultrafast laser source was also assessed. Measurements of myoglobin and thaumatin crystals resulted in no statistically significant differences between structures obtained from diffraction data acquired from exposed and unexposed regions of single crystals. Practical constraints for integrating SHG imaging into an active beamline for routine automated crystal centering are discussed.
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Towards protein-crystal centering using second-harmonic generation (SHG) microscopy.,Kissick DJ, Dettmar CM, Becker M, Mulichak AM, Cherezov V, Ginell SL, Battaile KP, Keefe LJ, Fischetti RF, Simpson GJ Acta Crystallogr D Biol Crystallogr. 2013 May;69(Pt 5):843-51. doi:, 10.1107/S0907444913002746. Epub 2013 Apr 19. PMID:23633594<ref>PMID:23633594</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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==See Also==
==See Also==
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*[[Myoglobin|Myoglobin]]
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*[[Myoglobin 3D structures|Myoglobin 3D structures]]
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Equus caballus]]
[[Category: Equus caballus]]
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[[Category: Becker, M]]
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[[Category: Large Structures]]
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[[Category: Fischetti, R F]]
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[[Category: Becker M]]
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[[Category: Keefe, L J]]
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[[Category: Fischetti RF]]
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[[Category: Kissick, D J]]
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[[Category: Keefe LJ]]
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[[Category: Mulichak, A M]]
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[[Category: Kissick DJ]]
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[[Category: Simpson, G J]]
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[[Category: Mulichak AM]]
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[[Category: Oxygen storage]]
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[[Category: Simpson GJ]]
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[[Category: Sonicc]]
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Current revision

Crystal Structure of Myoglobin Exposed to Excessive SONICC Imaging Laser Dose.

PDB ID 4dc7

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