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4c1s

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==Glycoside hydrolase family 76 (mannosidase) Bt3792 from Bacteroides thetaiotaomicron VPI-5482==
==Glycoside hydrolase family 76 (mannosidase) Bt3792 from Bacteroides thetaiotaomicron VPI-5482==
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<StructureSection load='4c1s' size='340' side='right' caption='[[4c1s]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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<StructureSection load='4c1s' size='340' side='right'caption='[[4c1s]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4c1s]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bactn Bactn]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C1S OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4C1S FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4c1s]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacteroides_thetaiotaomicron_VPI-5482 Bacteroides thetaiotaomicron VPI-5482]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4C1S OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4C1S FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4c1r|4c1r]]</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=4c1s FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4c1s OCA], [https://pdbe.org/4c1s PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4c1s RCSB], [https://www.ebi.ac.uk/pdbsum/4c1s PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4c1s ProSAT]</span></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">BT3792 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=226186 BACTN])</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Mannan_endo-1,6-alpha-mannosidase Mannan endo-1,6-alpha-mannosidase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.101 3.2.1.101] </span></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=4c1s FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4c1s OCA], [http://pdbe.org/4c1s PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4c1s RCSB], [http://www.ebi.ac.uk/pdbsum/4c1s PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4c1s ProSAT]</span></td></tr>
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</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[[https://www.uniprot.org/uniprot/Q8A174_BACTN Q8A174_BACTN]]
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Yeasts, which have been a component of the human diet for at least 7,000 years, possess an elaborate cell wall alpha-mannan. The influence of yeast mannan on the ecology of the human microbiota is unknown. Here we show that yeast alpha-mannan is a viable food source for the Gram-negative bacterium Bacteroides thetaiotaomicron, a dominant member of the microbiota. Detailed biochemical analysis and targeted gene disruption studies support a model whereby limited cleavage of alpha-mannan on the surface generates large oligosaccharides that are subsequently depolymerized to mannose by the action of periplasmic enzymes. Co-culturing studies showed that metabolism of yeast mannan by B. thetaiotaomicron presents a 'selfish' model for the catabolism of this difficult to breakdown polysaccharide. Genomic comparison with B. thetaiotaomicron in conjunction with cell culture studies show that a cohort of highly successful members of the microbiota has evolved to consume sterically-restricted yeast glycans, an adaptation that may reflect the incorporation of eukaryotic microorganisms into the human diet.
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Human gut Bacteroidetes can utilize yeast mannan through a selfish mechanism.,Cuskin F, Lowe EC, Temple MJ, Zhu Y, Cameron EA, Pudlo NA, Porter NT, Urs K, Thompson AJ, Cartmell A, Rogowski A, Hamilton BS, Chen R, Tolbert TJ, Piens K, Bracke D, Vervecken W, Hakki Z, Speciale G, Munoz-Munoz JL, Day A, Pena MJ, McLean R, Suits MD, Boraston AB, Atherly T, Ziemer CJ, Williams SJ, Davies GJ, Abbott DW, Martens EC, Gilbert HJ Nature. 2015 Jan 8;517(7533):165-9. doi: 10.1038/nature13995. PMID:25567280<ref>PMID:25567280</ref>
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==See Also==
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*[[Mannosidase 3D structures|Mannosidase 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 4c1s" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Bactn]]
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[[Category: Bacteroides thetaiotaomicron VPI-5482]]
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[[Category: Mannan endo-1,6-alpha-mannosidase]]
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[[Category: Large Structures]]
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[[Category: Abbott, W D]]
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[[Category: Abbott WD]]
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[[Category: Boraston, A B]]
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[[Category: Boraston AB]]
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[[Category: Bracke, D]]
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[[Category: Bracke D]]
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[[Category: Cartmell, A]]
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[[Category: Cartmell A]]
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[[Category: Cuskin, F]]
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[[Category: Cuskin F]]
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[[Category: Davies, G J]]
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[[Category: Davies GJ]]
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[[Category: Gilbert, H J]]
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[[Category: Gilbert HJ]]
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[[Category: Lowe, E C]]
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[[Category: Lowe EC]]
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[[Category: Martens, E C]]
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[[Category: Martens EC]]
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[[Category: Munoz-Munoz, J L]]
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[[Category: Munoz-Munoz JL]]
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[[Category: Piens, K]]
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[[Category: Piens K]]
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[[Category: Suits, M D.L]]
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[[Category: Suits MDL]]
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[[Category: Temple, M]]
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[[Category: Temple M]]
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[[Category: Thompson, A J]]
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[[Category: Thompson AJ]]
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[[Category: Vervecken, W]]
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[[Category: Vervecken W]]
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[[Category: Williams, S J]]
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[[Category: Williams SJ]]
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[[Category: Zhu, Y]]
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[[Category: Zhu Y]]
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[[Category: Gut microbiota]]
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[[Category: Hydrolase]]
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Revision as of 17:21, 7 September 2022

Glycoside hydrolase family 76 (mannosidase) Bt3792 from Bacteroides thetaiotaomicron VPI-5482

PDB ID 4c1s

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