1abe

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[[Image:1abe.jpg|left|200px]]
 
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{{Structure
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==NOVEL STEREOSPECIFICITY OF THE L-ARABINOSE-BINDING PROTEIN==
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|PDB= 1abe |SIZE=350|CAPTION= <scene name='initialview01'>1abe</scene>, resolution 1.7&Aring;
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<StructureSection load='1abe' size='340' side='right'caption='[[1abe]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=ARA:ALPHA-L-ARABINOSE'>ARA</scene>, <scene name='pdbligand=ARB:BETA-L-ARABINOSE'>ARB</scene>
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<table><tr><td colspan='2'>[[1abe]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1abp 1abp]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ABE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ABE FirstGlance]. <br>
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|ACTIVITY=
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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]] 1.7&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ARA:ALPHA-L-ARABINOSE'>ARA</scene>, <scene name='pdbligand=ARB:BETA-L-ARABINOSE'>ARB</scene></td></tr>
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|DOMAIN=
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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=1abe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1abe OCA], [https://pdbe.org/1abe PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1abe RCSB], [https://www.ebi.ac.uk/pdbsum/1abe PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1abe ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1abe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1abe OCA], [http://www.ebi.ac.uk/pdbsum/1abe PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1abe RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/ARAF_ECOLI ARAF_ECOLI] Involved in the high-affinity L-arabinose membrane transport system. Binds with high affinity to arabinose, but can also bind D-galactose (approximately 2-fold reduction) and D-fucose (approximately 40-fold reduction).
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== Evolutionary Conservation ==
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'''NOVEL STEREOSPECIFICITY OF THE L-ARABINOSE-BINDING PROTEIN'''
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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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==Overview==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ab/1abe_consurf.spt"</scriptWhenChecked>
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Tertiary structure refinement at 1.7 A resolution of the liganded form of L-arabinose-binding protein from Escherichia coli has revealed a novel binding site geometry which accommodates both alpha- and beta-anomers of L-arabinose. This detailed structure analysis provides new understanding of protein-sugar interaction, the process by which the binding protein minimizes the difference in the stability of the two bound sugar anomers, and the roles of periplasmic binding proteins in active transport.
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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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==About this Structure==
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</jmolCheckbox>
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1ABE is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. This structure supersedes the now removed PDB entry 1ABP. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ABE OCA].
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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=1abe ConSurf].
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<div style="clear:both"></div>
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==Reference==
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__TOC__
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Novel stereospecificity of the L-arabinose-binding protein., Quiocho FA, Vyas NK, Nature. 1984 Aug 2-8;310(5976):381-6. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/6379466 6379466]
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</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Quiocho, F A.]]
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[[Category: Quiocho FA]]
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[[Category: Vyas, N K.]]
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[[Category: Vyas NK]]
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[[Category: binding protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 18:37:01 2008''
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Current revision

NOVEL STEREOSPECIFICITY OF THE L-ARABINOSE-BINDING PROTEIN

PDB ID 1abe

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