6s20

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<StructureSection load='6s20' size='340' side='right'caption='[[6s20]], [[Resolution|resolution]] 1.98&Aring;' scene=''>
<StructureSection load='6s20' size='340' side='right'caption='[[6s20]], [[Resolution|resolution]] 1.98&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6s20]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6S20 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6S20 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6s20]] is a 1 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=6S20 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6S20 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=NG6:N-ACETYL-D-GALACTOSAMINE+6-SULFATE'>NG6</scene>, <scene name='pdbligand=PGE:TRIETHYLENE+GLYCOL'>PGE</scene></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=NG6:N-ACETYL-D-GALACTOSAMINE+6-SULFATE'>NG6</scene>, <scene name='pdbligand=PGE:TRIETHYLENE+GLYCOL'>PGE</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">BT_3333 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=226186 BACTN])</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=6s20 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6s20 OCA], [http://pdbe.org/6s20 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6s20 RCSB], [http://www.ebi.ac.uk/pdbsum/6s20 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6s20 ProSAT]</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=6s20 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6s20 OCA], [http://pdbe.org/6s20 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6s20 RCSB], [http://www.ebi.ac.uk/pdbsum/6s20 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6s20 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/GALSF_BACTN GALSF_BACTN]] Exosulfatase involved in the degradation of the glycosaminoglycans (GAGs) chondroitin sulfate (CS) and dermatan sulfate (DS). Catalyzes the hydrolysis of the 6-sulfate groups of the N-acetyl-D-galactosamine 6-sulfate units (PubMed:25002587). GAG-specific sulfatases play a key role in the persistence of the major human gut symbiont B.thetaiotaomicron in the host gastrointestinal tract (PubMed:25002587).<ref>PMID:25002587</ref> <ref>PMID:25002587</ref>
[[http://www.uniprot.org/uniprot/GALSF_BACTN GALSF_BACTN]] Exosulfatase involved in the degradation of the glycosaminoglycans (GAGs) chondroitin sulfate (CS) and dermatan sulfate (DS). Catalyzes the hydrolysis of the 6-sulfate groups of the N-acetyl-D-galactosamine 6-sulfate units (PubMed:25002587). GAG-specific sulfatases play a key role in the persistence of the major human gut symbiont B.thetaiotaomicron in the host gastrointestinal tract (PubMed:25002587).<ref>PMID:25002587</ref> <ref>PMID:25002587</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The human gut microbiota (HGM), which is critical to human health, utilises complex glycans as its major carbon source. Glycosaminoglycans represent an important, high priority, nutrient source for the HGM. Pathways for the metabolism of various glycosaminoglycan substrates remain ill-defined. Here we perform a biochemical, genetic and structural dissection of the genetic loci that orchestrates glycosaminoglycan metabolism in the organism Bacteroides thetaiotaomicron. Here, we report: the discovery of two previously unknown surface glycan binding proteins which facilitate glycosaminoglycan import into the periplasm; distinct kinetic and genetic specificities of various periplasmic lyases which dictate glycosaminoglycan metabolic pathways; understanding of endo sulfatase activity questioning the paradigm of how the 'sulfation problem' is handled by the HGM; and 3D crystal structures of the polysaccharide utilisation loci encoded sulfatases. Together with comparative genomic studies, our study fills major gaps in our knowledge of glycosaminoglycan metabolism by the HGM.
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Metabolism of multiple glycosaminoglycans by Bacteroides thetaiotaomicron is orchestrated by a versatile core genetic locus.,Ndeh D, Basle A, Strahl H, Yates EA, McClurgg UL, Henrissat B, Terrapon N, Cartmell A Nat Commun. 2020 Jan 31;11(1):646. doi: 10.1038/s41467-020-14509-4. PMID:32005816<ref>PMID:32005816</ref>
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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 6s20" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Sulfatase 3D structures|Sulfatase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Bactn]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Basle, A]]
[[Category: Basle, A]]

Revision as of 07:31, 19 February 2020

Metabolism of multiple glycosaminoglycans by bacteroides thetaiotaomicron is orchestrated by a versatile core genetic locus (BT3336S-sulf)

PDB ID 6s20

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