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==Crystal structure of bacteriorhodopsin mutant L94A crystallized from bicelles== | ==Crystal structure of bacteriorhodopsin mutant L94A crystallized from bicelles== | ||
<StructureSection load='3hao' size='340' side='right' caption='[[3hao]], [[Resolution|resolution]] 2.49Å' scene=''> | <StructureSection load='3hao' size='340' side='right'caption='[[3hao]], [[Resolution|resolution]] 2.49Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[3hao]] is a 2 chain structure with sequence from [ | <table><tr><td colspan='2'>[[3hao]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Halobacterium_salinarum Halobacterium salinarum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3HAO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3HAO FirstGlance]. <br> | ||
</td></tr><tr><td class="sblockLbl"><b>[[ | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.49Å</td></tr> | ||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=RET:RETINAL'>RET</scene></td></tr> | |||
<tr><td class="sblockLbl"><b>[[ | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3hao FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3hao OCA], [https://pdbe.org/3hao PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3hao RCSB], [https://www.ebi.ac.uk/pdbsum/3hao PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3hao ProSAT]</span></td></tr> | ||
<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | </table> | ||
<table> | == Function == | ||
[https://www.uniprot.org/uniprot/BACR_HALSA BACR_HALSA] Light-driven proton pump. | |||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
Check<jmol> | Check<jmol> | ||
<jmolCheckbox> | <jmolCheckbox> | ||
<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ha/3hao_consurf.spt"</scriptWhenChecked> | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ha/3hao_consurf.spt"</scriptWhenChecked> | ||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/ | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked> | ||
<text>to colour the structure by Evolutionary Conservation</text> | <text>to colour the structure by Evolutionary Conservation</text> | ||
</jmolCheckbox> | </jmolCheckbox> | ||
</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/ | </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=3hao ConSurf]. | ||
<div style="clear:both"></div> | <div style="clear:both"></div> | ||
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
| Line 26: | Line 28: | ||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
</div> | </div> | ||
<div class="pdbe-citations 3hao" style="background-color:#fffaf0;"></div> | |||
==See Also== | ==See Also== | ||
*[[Bacteriorhodopsin|Bacteriorhodopsin]] | *[[Bacteriorhodopsin 3D structures|Bacteriorhodopsin 3D structures]] | ||
== References == | == References == | ||
<references/> | <references/> | ||
| Line 34: | Line 37: | ||
</StructureSection> | </StructureSection> | ||
[[Category: Halobacterium salinarum]] | [[Category: Halobacterium salinarum]] | ||
[[Category: | [[Category: Large Structures]] | ||
[[Category: | [[Category: Bowie JU]] | ||
[[Category: | [[Category: Joh NH]] | ||
[[Category: | [[Category: Yang D]] | ||
Latest revision as of 12:13, 30 October 2024
Crystal structure of bacteriorhodopsin mutant L94A crystallized from bicellesCrystal structure of bacteriorhodopsin mutant L94A crystallized from bicelles
Structural highlights
FunctionBACR_HALSA Light-driven proton pump. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedA major driving force for water-soluble protein folding is the hydrophobic effect, but membrane proteins cannot make use of this stabilizing contribution in the apolar core of the bilayer. It has been proposed that membrane proteins compensate by packing more efficiently. We therefore investigated packing contributions experimentally by observing the energetic and structural consequences of cavity creating mutations in the core of a membrane protein. We observed little difference in the packing energetics of water and membrane soluble proteins. Our results imply that other mechanisms are employed to stabilize the structure of membrane proteins. Similar energetic contributions of packing in the core of membrane and water-soluble proteins.,Joh NH, Oberai A, Yang D, Whitelegge JP, Bowie JU J Am Chem Soc. 2009 Aug 12;131(31):10846-7. PMID:19603754[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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