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3ng4

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{{Seed}}
 
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[[Image:3ng4.png|left|200px]]
 
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==Ternary complex of peptidoglycan recognition protein (PGRP-S) with Maltose and N-Acetylglucosamine at 1.7 A Resolution==
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The line below this paragraph, containing "STRUCTURE_3ng4", creates the "Structure Box" on the page.
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<StructureSection load='3ng4' size='340' side='right'caption='[[3ng4]], [[Resolution|resolution]] 1.73&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'>[[3ng4]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Camelus_dromedarius Camelus dromedarius]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NG4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3NG4 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]] 1.73&#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=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=PRD_900001:alpha-maltose'>PRD_900001</scene>, <scene name='pdbligand=SRT:S,R+MESO-TARTARIC+ACID'>SRT</scene></td></tr>
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{{STRUCTURE_3ng4| PDB=3ng4 | 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=3ng4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ng4 OCA], [https://pdbe.org/3ng4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ng4 RCSB], [https://www.ebi.ac.uk/pdbsum/3ng4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ng4 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PGRP1_CAMDR PGRP1_CAMDR] Pattern receptor that binds to murein peptidoglycans (PGN) of Gram-positive bacteria. Has bactericidal activity towards Gram-positive bacteria. May kill Gram-positive bacteria by interfering with peptidoglycan biosynthesis. Binds also to Gram-negative bacteria. Involved in innate immunity. Is microbicidal for Gram-positive and Gram-negative bacteria and yeast. May function in intracellular killing of bacteria (By similarity).
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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/ng/3ng4_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=3ng4 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 peptidoglycan recognition protein PGRP-S is an innate immunity molecule that specifically interacts with microbial peptidoglycans and other pathogen-associated molecular patterns. We report here two structures of the unique tetrameric camel PGRP-S (CPGRP-S) complexed with (i) muramyl dipeptide (MDP) at 2.5 A resolution and (ii) GlcNAc and beta-maltose at 1.7A resolution. The binding studies carried out using surface plasmon resonance indicated that CPGRP-S binds to MDP with a dissociation constant of 10(-7) M, whereas the binding affinities for GlcNAc and beta-maltose separately are in the range of 10(-4) M to 10(-5) M, whereas the dissociation constant for the mixture of GlcNAc and maltose was estimated to be 10(-6) M. The data from bacterial suspension culture experiments showed a significant inhibition of the growth of Staphylococcus aureus cells when CPGRP-S was added to culture medium. The ELISA experiment showed that the amount of MDP-induced production of TNF-alpha and IL-6 decreased considerably after the introduction of CPGRP-S. The crystal structure determinations of (i) a binary complex with MDP and (ii) a ternary complex with GlcNAc and beta-maltose revealed that MDP, GlcNAc, and beta-maltose bound to CPGRP-S in the ligand binding cleft, which is situated at the interface of molecules C and D of the homotetramer formed by four protein molecules A, B, C, and D. In the binary complex, the muramyl moiety of MDP is observed at the C-D interface, whereas the peptide chain protrudes into the center of tetramer. In the ternary complex, GlcNAc and beta-maltose occupy distinct non-overlapping positions belonging to different subsites.
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===Ternary complex of peptidoglycan recognition protein (PGRP-S) with Maltose and N-Acetylglucosamine at 1.7 A Resolution===
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Multiligand specificity of pathogen-associated molecular pattern-binding site in peptidoglycan recognition protein.,Sharma P, Dube D, Sinha M, Mishra B, Dey S, Mal G, Pathak KM, Kaur P, Sharma S, Singh TP J Biol Chem. 2011 Sep 9;286(36):31723-30. Epub 2011 Jul 22. PMID:21784863<ref>PMID:21784863</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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==About this Structure==
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</div>
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3NG4 is a 4 chains structure with sequences from [http://en.wikipedia.org/wiki/Camelus_dromedarius Camelus dromedarius]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NG4 OCA].
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<div class="pdbe-citations 3ng4" 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: Camelus dromedarius]]
[[Category: Camelus dromedarius]]
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[[Category: Dube, D.]]
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[[Category: Large Structures]]
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[[Category: Kaur, P.]]
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[[Category: Dube D]]
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[[Category: Sharma, P.]]
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[[Category: Kaur P]]
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[[Category: Sharma, S.]]
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[[Category: Sharma P]]
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[[Category: Singh, T P.]]
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[[Category: Sharma S]]
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[[Category: Antibiotic]]
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[[Category: Singh TP]]
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[[Category: Antimicrobial]]
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[[Category: Complex]]
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[[Category: Immune response]]
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[[Category: Immune system]]
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[[Category: Nag]]
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[[Category: Peptidoglycan recognition protein]]
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[[Category: Secreted]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Aug 4 08:30:36 2010''
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Current revision

Ternary complex of peptidoglycan recognition protein (PGRP-S) with Maltose and N-Acetylglucosamine at 1.7 A Resolution

PDB ID 3ng4

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