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==Crystal Structure of the R132K:Y134F Mutant of Apo-Cellular Retinoic Acid Binding Protein Type II at 1.71 Angstroms Resolution== | ==Crystal Structure of the R132K:Y134F Mutant of Apo-Cellular Retinoic Acid Binding Protein Type II at 1.71 Angstroms Resolution== | ||
<StructureSection load='3d96' size='340' side='right' caption='[[3d96]], [[Resolution|resolution]] 1.71Å' scene=''> | <StructureSection load='3d96' size='340' side='right' caption='[[3d96]], [[Resolution|resolution]] 1.71Å' scene=''> | ||
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3d95|3d95]], [[3d97|3d97]], [[3cwk|3cwk]], [[2fr3|2fr3]], [[2frs|2frs]], [[2fs6|2fs6]], [[2fs7|2fs7]], [[2g78|2g78]], [[2g79|2g79]], [[2g7b|2g7b]]</td></tr> | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3d95|3d95]], [[3d97|3d97]], [[3cwk|3cwk]], [[2fr3|2fr3]], [[2frs|2frs]], [[2fs6|2fs6]], [[2fs7|2fs7]], [[2g78|2g78]], [[2g79|2g79]], [[2g7b|2g7b]]</td></tr> | ||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CRABP2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr> | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CRABP2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr> | ||
<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=3d96 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3d96 OCA], [http://pdbe.org/3d96 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3d96 RCSB], [http://www.ebi.ac.uk/pdbsum/3d96 PDBsum]</span></td></tr> | <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=3d96 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3d96 OCA], [http://pdbe.org/3d96 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3d96 RCSB], [http://www.ebi.ac.uk/pdbsum/3d96 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3d96 ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Function == | == Function == | ||
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</div> | </div> | ||
<div class="pdbe-citations 3d96" style="background-color:#fffaf0;"></div> | <div class="pdbe-citations 3d96" style="background-color:#fffaf0;"></div> | ||
== References == | == References == | ||
<references/> | <references/> | ||
Revision as of 11:44, 25 October 2017
Crystal Structure of the R132K:Y134F Mutant of Apo-Cellular Retinoic Acid Binding Protein Type II at 1.71 Angstroms ResolutionCrystal Structure of the R132K:Y134F Mutant of Apo-Cellular Retinoic Acid Binding Protein Type II at 1.71 Angstroms Resolution
Structural highlights
Function[RABP2_HUMAN] Transports retinoic acid to the nucleus. Regulates the access of retinoic acid to the nuclear retinoic acid receptors. 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 PubMedThe structural integrity of cellular retinoic acid-binding protein II (CRABPII) has been investigated using the crystal structures of CRABPII mutants. The overall fold was well maintained by these CRABPII mutants, each of which carried multiple different mutations. A water-mediated network is found to be present across the large binding cavity, extending from Arg111 deep inside the cavity to the alpha2 helix at its entrance. This chain of interactions acts as a ;pillar' that maintains the integrity of the protein. The disruption of the water network upon loss of Arg111 leads to decreased structural integrity of the protein. A water-mediated network can be re-established by introducing the hydrophilic Glu121 inside the cavity, which results in a rigid protein with the alpha2 helix adopting an altered conformation compared with wild-type CRABPII. Structural analysis of site-directed mutants of cellular retinoic acid-binding protein II addresses the relationship between structural integrity and ligand binding.,Vaezeslami S, Jia X, Vasileiou C, Borhan B, Geiger JH Acta Crystallogr D Biol Crystallogr. 2008 Dec;64(Pt 12):1228-39. Epub 2008, Nov 18. PMID:19018099[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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