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New page: left|200px<br /><applet load="1e8l" size="450" color="white" frame="true" align="right" spinBox="true" caption="1e8l" /> '''NMR SOLUTION STRUCTURE OF HEN LYSOZYME'''<br...
 
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[[Image:1e8l.gif|left|200px]]<br /><applet load="1e8l" size="450" color="white" frame="true" align="right" spinBox="true"
caption="1e8l" />
'''NMR SOLUTION STRUCTURE OF HEN LYSOZYME'''<br />


==Overview==
==NMR solution structure of hen lysozyme==
A high resolution NMR structure of hen lysozyme has been determined using, 209 residual 1H-15N dipolar coupling restraints from measurements made in, two different dilute liquid crystalline phases (bicelles) in conjunction, with a data set of 1632 NOE distance restraints, 110 torsion angle, restraints, and 60 hydrogen bond restraints. The ensemble of 50 low-energy, calculated structures has an average backbone RMSD of 0.50+/-0.13A to the, mean structure and of 1.49+/-0.10A to the crystal structure of hen, lysozyme. To assess the importance of the dipolar coupling data in the, structure determination, the final structures are compared with an, ensemble calculated using an identical protocol but excluding the dipolar, coupling restraints. The comparison shows that structures calculated with, the dipolar coupling data are more similar to the crystal structure than, those calculated without, and have better stereochemical quality. The, structures also show improved quality factors when compared with, additional dipolar coupling data that were not included in the structure, calculations, with orientation-dependent 15N chemical shift changes, measured in the bicelle solutions, and with T1/T2 values obtained from 15N, relaxation measurements. Analysis of the ensemble of NMR structures and, comparisons with crystal structures, 15N relaxation data, and molecular, dynamics simulations of hen lysozyme provides a detailed description of, the solution structure of this protein and insights into its dynamical, behavior.
<StructureSection load='1e8l' size='340' side='right'caption='[[1e8l]]' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1e8l]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1hwa 1hwa]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1E8L OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1E8L FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=1e8l FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1e8l OCA], [https://pdbe.org/1e8l PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1e8l RCSB], [https://www.ebi.ac.uk/pdbsum/1e8l PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1e8l ProSAT]</span></td></tr>
</table>
== 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 ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/e8/1e8l_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1e8l ConSurf].
<div style="clear:both"></div>


==About this Structure==
==See Also==
1E8L is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. This structure superseeds the now removed PDB entry 1HWA. Active as [http://en.wikipedia.org/wiki/Lysozyme Lysozyme], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.17 3.2.1.17] Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1E8L OCA].
*[[Lysozyme 3D structures|Lysozyme 3D structures]]
 
== References ==
==Reference==
<references/>
A refined solution structure of hen lysozyme determined using residual dipolar coupling data., Schwalbe H, Grimshaw SB, Spencer A, Buck M, Boyd J, Dobson CM, Redfield C, Smith LJ, Protein Sci. 2001 Apr;10(4):677-88. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=11274458 11274458]
__TOC__
</StructureSection>
[[Category: Gallus gallus]]
[[Category: Gallus gallus]]
[[Category: Lysozyme]]
[[Category: Large Structures]]
[[Category: Single protein]]
[[Category: Boyd J]]
[[Category: Boyd, J.]]
[[Category: Buck M]]
[[Category: Buck, M.]]
[[Category: Dobson CM]]
[[Category: Dobson, C.M.]]
[[Category: Grimshaw SB]]
[[Category: Grimshaw, S.B.]]
[[Category: Redfield C]]
[[Category: Redfield, C.]]
[[Category: Schwalbe H]]
[[Category: Schwalbe, H.]]
[[Category: Smith LJ]]
[[Category: Smith, L.J.]]
[[Category: Spencer A]]
[[Category: Spencer, A.]]
[[Category: hydrolase]]
 
''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Tue Nov 20 13:49:46 2007''

Latest revision as of 09:59, 20 March 2024

NMR solution structure of hen lysozyme

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