1mv8

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[[Image:1mv8.jpg|left|200px]]
 
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{{Structure
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==1.55 A crystal structure of a ternary complex of GDP-mannose dehydrogenase from Psuedomonas aeruginosa==
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|PDB= 1mv8 |SIZE=350|CAPTION= <scene name='initialview01'>1mv8</scene>, resolution 1.550&Aring;
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<StructureSection load='1mv8' size='340' side='right'caption='[[1mv8]], [[Resolution|resolution]] 1.55&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=SUC:SUCROSE'>SUC</scene>, <scene name='pdbligand=NAD:NICOTINAMIDE-ADENINE-DINUCLEOTIDE'>NAD</scene>, <scene name='pdbligand=GDX:GUANOSINE+5'-(TRIHYDROGEN+DIPHOSPHATE),+P'-D-MANNOPYRANOSYL+ESTER'>GDX</scene>, <scene name='pdbligand=ACY:ACETIC+ACID'>ACY</scene> and <scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</scene>
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<table><tr><td colspan='2'>[[1mv8]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_aeruginosa Pseudomonas aeruginosa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MV8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MV8 FirstGlance]. <br>
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|ACTIVITY= [http://en.wikipedia.org/wiki/GDP-mannose_6-dehydrogenase GDP-mannose 6-dehydrogenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.1.1.132 1.1.1.132]
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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]] 1.55&#8491;</td></tr>
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|GENE= AlgD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=287 Pseudomonas aeruginosa])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ACY:ACETIC+ACID'>ACY</scene>, <scene name='pdbligand=FRU:FRUCTOSE'>FRU</scene>, <scene name='pdbligand=GDX:GUANOSINE+5-(TRIHYDROGEN+DIPHOSPHATE),+P-D-MANNOPYRANOSYL+ESTER'>GDX</scene>, <scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</scene>, <scene name='pdbligand=NAD:NICOTINAMIDE-ADENINE-DINUCLEOTIDE'>NAD</scene>, <scene name='pdbligand=PRD_900003:sucrose'>PRD_900003</scene></td></tr>
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}}
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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=1mv8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mv8 OCA], [https://pdbe.org/1mv8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1mv8 RCSB], [https://www.ebi.ac.uk/pdbsum/1mv8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1mv8 ProSAT]</span></td></tr>
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</table>
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'''1.55 A crystal structure of a ternary complex of GDP-mannose dehydrogenase from Psuedomonas aeruginosa'''
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== Function ==
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[https://www.uniprot.org/uniprot/ALGD_PSEAE ALGD_PSEAE] Catalyzes the oxidation of guanosine diphospho-D-mannose (GDP-D-mannose) to GDP-D-mannuronic acid, a precursor for alginate polymerization. The alginate layer causes a mucoid phenotype and provides a protective barrier against host immune defenses and antibiotics.
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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The enzyme GMD from Pseudomonas aeruginosa catalyzes the committed step in the synthesis of the exopolysaccharide alginate. Alginate is a major component of P. aeruginosa biofilms that protect the bacteria from the host immune response and antibiotic therapy. The 1.55 A crystal structure of GMD in ternary complex with its cofactor NAD(H) and product GDP-mannuronic acid reveals that the enzyme forms a domain-swapped dimer with two polypeptide chains contributing to each active site. The extensive dimer interface provides multiple opportunities for intersubunit communication. Comparison of the GMD structure with that of UDP-glucose dehydrogenase reveals the structural basis of sugar binding specificity that distinguishes these two related enzyme families. The high-resolution structure of GMD provides detailed information on the active site of the enzyme and a template for structure-based inhibitor design.
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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/mv/1mv8_consurf.spt"</scriptWhenChecked>
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1MV8 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Pseudomonas_aeruginosa Pseudomonas aeruginosa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MV8 OCA].
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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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==Reference==
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</jmolCheckbox>
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Crystal structure of GDP-mannose dehydrogenase: a key enzyme of alginate biosynthesis in P. aeruginosa., Snook CF, Tipton PA, Beamer LJ, Biochemistry. 2003 Apr 29;42(16):4658-68. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12705829 12705829]
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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=1mv8 ConSurf].
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[[Category: GDP-mannose 6-dehydrogenase]]
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<div style="clear:both"></div>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Pseudomonas aeruginosa]]
[[Category: Pseudomonas aeruginosa]]
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[[Category: Single protein]]
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[[Category: Beamer LJ]]
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[[Category: Beamer, L J.]]
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[[Category: Snook CF]]
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[[Category: Snook, C F.]]
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[[Category: Tipton PA]]
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[[Category: Tipton, P A.]]
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[[Category: ACY]]
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[[Category: GDX]]
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[[Category: MPD]]
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[[Category: NAD]]
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[[Category: SUC]]
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[[Category: domain-swapped dimer]]
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[[Category: enzyme complex with cofactor and product]]
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[[Category: rossman fold]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 12:48:38 2008''
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Current revision

1.55 A crystal structure of a ternary complex of GDP-mannose dehydrogenase from Psuedomonas aeruginosa

PDB ID 1mv8

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