2iff

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{{Seed}}
 
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[[Image:2iff.png|left|200px]]
 
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==STRUCTURE OF AN ANTIBODY-LYSOZYME COMPLEX: EFFECT OF A CONSERVATIVE MUTATION==
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The line below this paragraph, containing "STRUCTURE_2iff", creates the "Structure Box" on the page.
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<StructureSection load='2iff' size='340' side='right'caption='[[2iff]], [[Resolution|resolution]] 2.65&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2iff]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus] and [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IFF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2IFF FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.65&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=PGA:2-PHOSPHOGLYCOLIC+ACID'>PGA</scene></td></tr>
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{{STRUCTURE_2iff| PDB=2iff | SCENE= }}
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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=2iff FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2iff OCA], [https://pdbe.org/2iff PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2iff RCSB], [https://www.ebi.ac.uk/pdbsum/2iff PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2iff ProSAT]</span></td></tr>
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</table>
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== Function ==
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[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>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/if/2iff_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2iff ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The structure of the complex between the Fab HyHEL-5 and chicken lysozyme revealed a large interface region containing 23 lysozyme and 28 Fab residues. Arg68 of the lysozyme is centrally placed in this interface and theoretical studies together with binding assays of this Fab to different avian lysozymes have previously shown that this arginine residue is an important contributor to the binding. The Arg68--&gt;Lys mutant binds 10(3) times less well to the HyHEL-5 Fab. We have examined the refined crystal structure of the complex of this mutant lysozyme with the Fab. No global changes occur, but there is an introduction of a new water molecule into the interface that mediates the hydrogen bonding interactions between the lysine and residues on the Fab. These data are compared with the effects of similar changes on the inhibition of serine proteases such as trypsin where the energetic effects of this substitution are small.
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===STRUCTURE OF AN ANTIBODY-LYSOZYME COMPLEX: EFFECT OF A CONSERVATIVE MUTATION===
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Structure of an antibody-lysozyme complex unexpected effect of conservative mutation.,Chacko S, Silverton E, Kam-Morgan L, Smith-Gill S, Cohen G, Davies D J Mol Biol. 1995 Jan 20;245(3):261-74. PMID:7531245<ref>PMID:7531245</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 2iff" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_7531245}}, adds the Publication Abstract to the page
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*[[Lysozyme 3D structures|Lysozyme 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 7531245 is the PubMed ID number.
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*[[Monoclonal Antibodies 3D structures|Monoclonal Antibodies 3D structures]]
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== References ==
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{{ABSTRACT_PUBMED_7531245}}
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<references/>
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__TOC__
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==About this Structure==
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</StructureSection>
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2IFF is a 3 chains structure of sequences from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IFF OCA].
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==Reference==
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<ref group="xtra">PMID:7531245</ref><references group="xtra"/>
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[[Category: Gallus gallus]]
[[Category: Gallus gallus]]
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[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Chacko, S.]]
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[[Category: Chacko S]]
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[[Category: Davies, D R.]]
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[[Category: Davies DR]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 04:43:47 2009''
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Current revision

STRUCTURE OF AN ANTIBODY-LYSOZYME COMPLEX: EFFECT OF A CONSERVATIVE MUTATION

PDB ID 2iff

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