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<StructureSection load='1jtt' size='340' side='right'caption='[[1jtt]], [[Resolution|resolution]] 2.10Å' scene=''> | <StructureSection load='1jtt' size='340' side='right'caption='[[1jtt]], [[Resolution|resolution]] 2.10Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[1jtt]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/ | <table><tr><td colspan='2'>[[1jtt]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Camelus_dromedarius Camelus dromedarius] and [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JTT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1JTT FirstGlance]. <br> | ||
</td></tr><tr id=' | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.1Å</td></tr> | ||
<tr id=' | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FMT:FORMIC+ACID'>FMT</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</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=1jtt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jtt OCA], [https://pdbe.org/1jtt PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1jtt RCSB], [https://www.ebi.ac.uk/pdbsum/1jtt PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1jtt 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=1jtt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jtt OCA], [https://pdbe.org/1jtt PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1jtt RCSB], [https://www.ebi.ac.uk/pdbsum/1jtt PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1jtt ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Function == | == Function == | ||
[https://www.uniprot.org/uniprot/LYSC_CHICK LYSC_CHICK] Lysozymes have primarily a bacteriolytic function; those in tissues and body fluids are associated with the monocyte-macrophage system and enhance the activity of immunoagents. Has bacteriolytic activity against M.luteus.<ref>PMID:22044478</ref> | |||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
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<jmolCheckbox> | <jmolCheckbox> | ||
<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/jt/1jtt_consurf.spt"</scriptWhenChecked> | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/jt/1jtt_consurf.spt"</scriptWhenChecked> | ||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/ | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked> | ||
<text>to colour the structure by Evolutionary Conservation</text> | <text>to colour the structure by Evolutionary Conservation</text> | ||
</jmolCheckbox> | </jmolCheckbox> | ||
| Line 39: | Line 38: | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: | [[Category: Camelus dromedarius]] | ||
[[Category: Gallus gallus]] | [[Category: Gallus gallus]] | ||
[[Category: Large Structures]] | [[Category: Large Structures]] | ||
[[Category: Decanniere K]] | |||
[[Category: Decanniere | [[Category: Desmyter A]] | ||
[[Category: Desmyter | [[Category: Maes D]] | ||
[[Category: Maes | [[Category: Muyldermans S]] | ||
[[Category: Muyldermans | [[Category: Transue TR]] | ||
[[Category: Transue | [[Category: Wyns L]] | ||
[[Category: Wyns | |||
Latest revision as of 09:51, 30 October 2024
Degenerate interfaces in antigen-antibody complexesDegenerate interfaces in antigen-antibody complexes
Structural highlights
FunctionLYSC_CHICK Lysozymes have primarily a bacteriolytic function; those in tissues and body fluids are associated with the monocyte-macrophage system and enhance the activity of immunoagents. Has bacteriolytic activity against M.luteus.[1] Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedIn most of the work dealing with the analysis of protein-protein interfaces, a single X-ray structure is available or selected, and implicitly it is assumed that this structure corresponds to the optimal complex for this pair of proteins. However, we have found a degenerate interface in a high-affinity antibody-antigen complex: the two independent complexes of the camel variable domain antibody fragment cAb-Lys3 and its antigen hen egg white lysozyme present in the asymmetric unit of our crystals show a difference in relative orientation between antibody and antigen, leading to important differences at the protein-protein interface. A third cAb-Lys3-hen lysozyme complex in a different crystal form adopts yet another relative orientation. Our results show that protein-protein interface characteristics can vary significantly between different specimens of the same high-affinity antibody-protein antigen complex. Consideration should be given to this type of observation when trying to establish general protein-protein interface characteristics. Degenerate interfaces in antigen-antibody complexes.,Decanniere K, Transue TR, Desmyter A, Maes D, Muyldermans S, Wyns L J Mol Biol. 2001 Oct 26;313(3):473-8. PMID:11676532[2] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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