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5xrh

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Current revision (10:19, 27 March 2024) (edit) (undo)
 
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==Galectin-10/Charcot-Leyden crystal protein crystal structure==
==Galectin-10/Charcot-Leyden crystal protein crystal structure==
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<StructureSection load='5xrh' size='340' side='right' caption='[[5xrh]], [[Resolution|resolution]] 1.55&Aring;' scene=''>
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<StructureSection load='5xrh' size='340' side='right'caption='[[5xrh]], [[Resolution|resolution]] 1.55&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5xrh]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5XRH OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5XRH FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5xrh]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5XRH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5XRH FirstGlance]. <br>
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</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CLC, LGALS10, LGALS10A ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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]] 1.55&#8491;</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=5xrh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5xrh OCA], [http://pdbe.org/5xrh PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5xrh RCSB], [http://www.ebi.ac.uk/pdbsum/5xrh PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5xrh ProSAT]</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=5xrh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5xrh OCA], [https://pdbe.org/5xrh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5xrh RCSB], [https://www.ebi.ac.uk/pdbsum/5xrh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5xrh ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/LEG10_HUMAN LEG10_HUMAN]] Regulates immune responses through the recognition of cell-surface glycans. Essential for the anergy and suppressive function of CD25-positive regulatory T-cells (Treg).<ref>PMID:17502455</ref>
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[https://www.uniprot.org/uniprot/LEG10_HUMAN LEG10_HUMAN] Regulates immune responses through the recognition of cell-surface glycans. Essential for the anergy and suppressive function of CD25-positive regulatory T-cells (Treg).<ref>PMID:17502455</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Galectin-10 (Gal-10) which forms Charcot-Leyden crystals in vivo, is crucial to regulating lymph cell function. Here, we solved the crystal structures of Gal-10 and eight variants at resolutions of 1.55-2.00 A. Structural analysis and size exclusion chromatography demonstrated that Gal-10 dimerizes with a novel global shape that is different from that of other prototype galectins (e.g., Gal-1, -2 and -7). In the Gal-10 dimer, Glu33 from one subunit modifies the carbohydrate binding site of another, essentially inhibiting disaccharide binding. Nevertheless, glycerol (and possibly other small hydroxylated molecules) can interact with residues at the ligand binding site, with His53 being the most crucial for binding. Alanine substitution of the conserved Trp residue (Trp72) that is crucial to saccharide binding in other galectins, actually leads to enhanced erythrocyte agglutination, suggesting that Trp72 negatively regulates Gal-10 ligand binding. Overall, our crystallographic and biochemical results provide insight into Gal-10 ligand binding specificity.
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Galectin-10: a new structural type of prototype galectin dimer and effects on saccharide ligand binding.,Su J, Gao J, Si Y, Cui L, Song C, Wang Y, Wu R, Tai G, Zhou Y Glycobiology. 2017 Dec 23. pii: 4773962. doi: 10.1093/glycob/cwx107. PMID:29293962<ref>PMID:29293962</ref>
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==See Also==
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*[[Galectin 3D structures|Galectin 3D structures]]
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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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<div class="pdbe-citations 5xrh" style="background-color:#fffaf0;"></div>
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== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
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[[Category: Su, J]]
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[[Category: Large Structures]]
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[[Category: Galectin-10/charcot-leyden crystal protein]]
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[[Category: Su J]]
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[[Category: Protein binding]]
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Current revision

Galectin-10/Charcot-Leyden crystal protein crystal structure

PDB ID 5xrh

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