6t2o: Difference between revisions

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<StructureSection load='6t2o' size='340' side='right'caption='[[6t2o]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
<StructureSection load='6t2o' size='340' side='right'caption='[[6t2o]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6t2o]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacteroides_caccae_ATCC_43185 Bacteroides caccae ATCC 43185]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6T2O OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6T2O FirstGlance]. <br>
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6T2O OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6T2O FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.05&#8491;</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.05&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6t2o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6t2o OCA], [https://pdbe.org/6t2o PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6t2o RCSB], [https://www.ebi.ac.uk/pdbsum/6t2o PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6t2o ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=6t2o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6t2o OCA], [https://pdbe.org/6t2o PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6t2o RCSB], [https://www.ebi.ac.uk/pdbsum/6t2o PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6t2o ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/A5ZIF0_9BACE A5ZIF0_9BACE]
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The thick mucus layer of the gut provides a barrier to infiltration of the underlying epithelia by both the normal microbiota and enteric pathogens. Some members of the microbiota utilise mucin glycoproteins as a nutrient source, but a detailed understanding of the mechanisms used to breakdown these complex macromolecules is lacking. Here we describe the discovery and characterisation of endo-acting enzymes from prominent mucin-degrading bacteria that target the polyLacNAc structures within oligosaccharide side chains of both animal and human mucins. These O-glycanases are part of the large and diverse glycoside hydrolase 16 (GH16) family and are often lipoproteins, indicating that they are surface located and thus likely involved in the initial step in mucin breakdown. These data provide a significant advance in our knowledge of the mechanism of mucin breakdown by the normal microbiota. Furthermore, we also demonstrate the potential use of these enzymes as tools to explore changes in O-glycan structure in a number of intestinal disease states.
Prominent members of the human gut microbiota express endo-acting O-glycanases to initiate mucin breakdown.,Crouch LI, Liberato MV, Urbanowicz PA, Basle A, Lamb CA, Stewart CJ, Cooke K, Doona M, Needham S, Brady RR, Berrington JE, Madunic K, Wuhrer M, Chater P, Pearson JP, Glowacki R, Martens EC, Zhang F, Linhardt RJ, Spencer DIR, Bolam DN Nat Commun. 2020 Aug 11;11(1):4017. doi: 10.1038/s41467-020-17847-5. PMID:32782292<ref>PMID:32782292</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 6t2o" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Laminarase 3D structures|Laminarase 3D structures]]
*[[Laminarase 3D structures|Laminarase 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Bacteroides caccae ATCC 43185]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Basle A]]
[[Category: Basle A]]

Latest revision as of 16:08, 6 November 2024

Prominent members of the human gut microbiota express endo-acting O-glycanases to initiate mucin breakdownProminent members of the human gut microbiota express endo-acting O-glycanases to initiate mucin breakdown

Structural highlights

Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.05Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

See Also

6t2o, resolution 2.05Å

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