1obu

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[[Image:1obu.png|left|200px]]
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==APOCRUSTACYANIN C1 CRYSTALS GROWN IN SPACE AND EARTH USING VAPOUR DIFFUSION GEOMETRY==
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<StructureSection load='1obu' size='340' side='right' caption='[[1obu]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1obu]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homarus_gammarus Homarus gammarus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OBU OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1OBU FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1gka|1gka]], [[1h91|1h91]], [[1i4u|1i4u]], [[1obq|1obq]]</td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1obu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1obu OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1obu RCSB], [http://www.ebi.ac.uk/pdbsum/1obu PDBsum]</span></td></tr>
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<table>
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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/ob/1obu_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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Models of apocrustacyanin C(1) were refined against X-ray data recorded on Bending Magnet 14 at the ESRF to resolutions of 1.85 and 2 A from a space-grown and an earth-grown crystal, respectively, both using vapour-diffusion crystal-growth geometry. The space crystals were grown in the APCF on the NASA Space Shuttle. The microgravity crystal growth showed a cyclic nature attributed to Marangoni convection, thus reducing the benefits of the microgravity environment, as reported previously [Chayen et al. (1996), Q. Rev. Biophys. 29, 227-278]. A subsequent mosaicity evaluation, also reported previously, showed only a partial improvement in the space-grown crystals over the earth-grown crystals [Snell et al. (1997), Acta Cryst. D53, 231-239], contrary to the case for lysozyme crystals grown in space with liquid-liquid diffusion, i.e. without any major motion during growth [Snell et al. (1995), Acta Cryst. D52, 1099-1102]. In this paper, apocrustacyanin C(1) electron-density maps from the two refined models are now compared. It is concluded that the electron-density maps of the protein and the bound waters are found to be better overall for the structures of apocrustacyanin C(1) studied from the space-grown crystal compared with those from the earth-grown crystal, even though both crystals were grown using vapour-diffusion crystal-growth geometry. The improved residues are on the surface of the protein, with two involved in or nearby crystal lattice-forming interactions, thus linking an improved crystal-growth mechanism to the molecular level. The structural comparison procedures developed should themselves be valuable for evaluating crystal-growth procedures in the future.
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{{STRUCTURE_1obu| PDB=1obu | SCENE= }}
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Apocrustacyanin C(1) crystals grown in space and on earth using vapour-diffusion geometry: protein structure refinements and electron-density map comparisons.,Habash J, Boggon TJ, Raftery J, Chayen NE, Zagalsky PF, Helliwell JR Acta Crystallogr D Biol Crystallogr. 2003 Jul;59(Pt 7):1117-23. Epub 2003, Jun 27. PMID:12832753<ref>PMID:12832753</ref>
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===APOCRUSTACYANIN C1 CRYSTALS GROWN IN SPACE AND EARTH USING VAPOUR DIFFUSION GEOMETRY===
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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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{{ABSTRACT_PUBMED_12832753}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1obu]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homarus_gammarus Homarus gammarus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1OBU OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:012832753</ref><references group="xtra"/>
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[[Category: Homarus gammarus]]
[[Category: Homarus gammarus]]
[[Category: Boggon, T J.]]
[[Category: Boggon, T J.]]

Revision as of 18:27, 28 September 2014

APOCRUSTACYANIN C1 CRYSTALS GROWN IN SPACE AND EARTH USING VAPOUR DIFFUSION GEOMETRY

1obu, resolution 2.00Å

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