2aiz

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(New page: 200px<br /><applet load="2aiz" size="450" color="white" frame="true" align="right" spinBox="true" caption="2aiz" /> '''Solution structure of peptidoglycan associat...)
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[[Image:2aiz.gif|left|200px]]<br /><applet load="2aiz" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="2aiz" />
 
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'''Solution structure of peptidoglycan associated lipoprotein from Haemophilus influenza bound to UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine'''<br />
 
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==Overview==
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==Solution structure of peptidoglycan associated lipoprotein from Haemophilus influenza bound to UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine==
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Peptidoglycan-associated lipoprotein (Pal) is a potential vaccine, candidate from Haemophilus influenzae that is highly conserved in, Gram-negative bacteria and anchored to the outer membrane through an, N-terminal lipid attachment. Pal stabilizes the outer membrane by, providing a noncovalent link to the peptidoglycan (PG) layer through a, periplasmic domain. Using NMR spectroscopy, we determined the, three-dimensional structure of a complex between the periplasmic domain of, Pal and a biosynthetic peptidoglycan precursor (PG-P), UDP-N-acetylmuramyl-L-Ala-alpha-d-Glu-m-Dap-D-Ala-d-Ala (m-Dap is, meso-diaminopimelate). Pal has a binding pocket lined with conserved, surface residues that interacts exclusively with the peptide portion of, the ligand. The m-Dap residue, which is mainly found in the cell walls of, Gram-negative bacteria, is sequestered in this pocket and plays an, important role by forming hydrogen bond and hydrophobic contacts to Pal., The structure provides insight into the mode of cell wall recognition for, a broad class of Gram-negative membrane proteins, including OmpA and MotB, which have peptidoglycan-binding domains homologous to that of Pal.
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<StructureSection load='2aiz' size='340' side='right'caption='[[2aiz]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2aiz]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Haemophilus_influenzae Haemophilus influenzae] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2AIZ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2AIZ FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR, 20 models</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=6CL:6-CARBOXYLYSINE'>6CL</scene>, <scene name='pdbligand=AMU:BETA-N-ACETYLMURAMIC+ACID'>AMU</scene>, <scene name='pdbligand=DAL:D-ALANINE'>DAL</scene>, <scene name='pdbligand=DGL:D-GLUTAMIC+ACID'>DGL</scene>, <scene name='pdbligand=UDP:URIDINE-5-DIPHOSPHATE'>UDP</scene></td></tr>
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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=2aiz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2aiz OCA], [https://pdbe.org/2aiz PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2aiz RCSB], [https://www.ebi.ac.uk/pdbsum/2aiz PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2aiz ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PAL_HAEIN PAL_HAEIN] Thought to play a role in bacterial envelope integrity. Links the outer membrane to the peptidoglycan layer.
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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/ai/2aiz_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=2aiz 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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Peptidoglycan-associated lipoprotein (Pal) is a potential vaccine candidate from Haemophilus influenzae that is highly conserved in Gram-negative bacteria and anchored to the outer membrane through an N-terminal lipid attachment. Pal stabilizes the outer membrane by providing a noncovalent link to the peptidoglycan (PG) layer through a periplasmic domain. Using NMR spectroscopy, we determined the three-dimensional structure of a complex between the periplasmic domain of Pal and a biosynthetic peptidoglycan precursor (PG-P), UDP-N-acetylmuramyl-L-Ala-alpha-d-Glu-m-Dap-D-Ala-d-Ala (m-Dap is meso-diaminopimelate). Pal has a binding pocket lined with conserved surface residues that interacts exclusively with the peptide portion of the ligand. The m-Dap residue, which is mainly found in the cell walls of Gram-negative bacteria, is sequestered in this pocket and plays an important role by forming hydrogen bond and hydrophobic contacts to Pal. The structure provides insight into the mode of cell wall recognition for a broad class of Gram-negative membrane proteins, including OmpA and MotB, which have peptidoglycan-binding domains homologous to that of Pal.
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==About this Structure==
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Peptidoglycan recognition by Pal, an outer membrane lipoprotein.,Parsons LM, Lin F, Orban J Biochemistry. 2006 Feb 21;45(7):2122-8. PMID:16475801<ref>PMID:16475801</ref>
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2AIZ is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Haemophilus_influenzae Haemophilus influenzae]. Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=2AIZ OCA].
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==Reference==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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Peptidoglycan recognition by Pal, an outer membrane lipoprotein., Parsons LM, Lin F, Orban J, Biochemistry. 2006 Feb 21;45(7):2122-8. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=16475801 16475801]
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</div>
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<div class="pdbe-citations 2aiz" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Haemophilus influenzae]]
[[Category: Haemophilus influenzae]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Lin, F.]]
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[[Category: Synthetic construct]]
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[[Category: Orban, J.]]
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[[Category: Lin F]]
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[[Category: Parsons, L.M.]]
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[[Category: Orban J]]
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[[Category: S2F, Structure.2.Function.Project.]]
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[[Category: Parsons LM]]
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[[Category: alpha-beta sandwich]]
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[[Category: s2f]]
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[[Category: structural genomics]]
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[[Category: structure 2 function project]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Wed Nov 21 08:09:23 2007''
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Current revision

Solution structure of peptidoglycan associated lipoprotein from Haemophilus influenza bound to UDP-N-acetylmuramoyl-L-alanyl-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine

PDB ID 2aiz

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