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1evj

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[[Image:1evj.gif|left|200px]]
 
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{{Structure
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==CRYSTAL STRUCTURE OF GLUCOSE-FRUCTOSE OXIDOREDUCTASE (GFOR) DELTA1-22 S64D==
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|PDB= 1evj |SIZE=350|CAPTION= <scene name='initialview01'>1evj</scene>, resolution 2.70&Aring;
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<StructureSection load='1evj' size='340' side='right'caption='[[1evj]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=NAD:NICOTINAMIDE-ADENINE-DINUCLEOTIDE'>NAD</scene>
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<table><tr><td colspan='2'>[[1evj]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Zymomonas_mobilis Zymomonas mobilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EVJ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1EVJ FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.7&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NAD:NICOTINAMIDE-ADENINE-DINUCLEOTIDE'>NAD</scene></td></tr>
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|DOMAIN=
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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=1evj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1evj OCA], [https://pdbe.org/1evj PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1evj RCSB], [https://www.ebi.ac.uk/pdbsum/1evj PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1evj ProSAT]</span></td></tr>
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|RELATEDENTRY=[[1ofg|1ofg]]
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1evj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1evj OCA], [http://www.ebi.ac.uk/pdbsum/1evj PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1evj RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/GFO_ZYMMO GFO_ZYMMO]
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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/ev/1evj_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=1evj ConSurf].
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<div style="clear:both"></div>
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'''CRYSTAL STRUCTURE OF GLUCOSE-FRUCTOSE OXIDOREDUCTASE (GFOR) DELTA1-22 S64D'''
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==See Also==
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*[[Glucose-fructose oxidoreductase|Glucose-fructose oxidoreductase]]
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__TOC__
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==Overview==
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</StructureSection>
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N-terminal or C-terminal arms that extend from folded protein domains can play a critical role in quaternary structure and other intermolecular associations and/or in controlling biological activity. We have tested the role of an extended N-terminal arm in the structure and function of a periplasmic enzyme glucose-fructose oxidoreductase (GFOR) from Zymomonas mobilis. We have determined the crystal structure of the NAD(+) complex of a truncated form of the enzyme, GFORDelta, in which the first 22 residues of the N-terminal arm of the mature protein have been deleted. The structure, refined at 2.7 A resolution (R(cryst)=24.1%, R(free)=28.4%), shows that the truncated form of the enzyme forms a dimer and implies that the N-terminal arm is essential for tetramer formation by wild-type GFOR. Truncation of the N-terminal arm also greatly increases the solvent exposure of the cofactor; since GFOR activity is dependent on retention of the cofactor during the catalytic cycle we conclude that the absence of GFOR activity in this mutant results from dissociation of the cofactor. The N-terminal arm thus determines the quaternary structure and the retention of the cofactor for GFOR activity and during translocation into the periplasm. The structure of GFORDelta also shows how an additional mutation, Ser64Asp, converts the strict NADP(+) specificity of wild-type GFOR to a dual NADP(+)/NAD(+) specificity.
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[[Category: Large Structures]]
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==About this Structure==
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1EVJ is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Zymomonas_mobilis Zymomonas mobilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EVJ OCA].
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==Reference==
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Crystal structure of a truncated mutant of glucose-fructose oxidoreductase shows that an N-terminal arm controls tetramer formation., Lott JS, Halbig D, Baker HM, Hardman MJ, Sprenger GA, Baker EN, J Mol Biol. 2000 Dec 8;304(4):575-84. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11099381 11099381]
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[[Category: Single protein]]
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[[Category: Zymomonas mobilis]]
[[Category: Zymomonas mobilis]]
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[[Category: Baker, E N.]]
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[[Category: Baker EN]]
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[[Category: Baker, H M.]]
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[[Category: Baker HM]]
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[[Category: Halbig, D.]]
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[[Category: Halbig D]]
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[[Category: Hardman, M J.]]
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[[Category: Hardman MJ]]
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[[Category: Lott, J S.]]
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[[Category: Lott JS]]
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[[Category: Sprenger, G A.]]
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[[Category: Sprenger GA]]
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[[Category: n-terminal arm]]
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[[Category: nadp/nad binding]]
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[[Category: oligomerization state]]
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[[Category: osmotic protection]]
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[[Category: periplasm]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 20:10:29 2008''
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Current revision

CRYSTAL STRUCTURE OF GLUCOSE-FRUCTOSE OXIDOREDUCTASE (GFOR) DELTA1-22 S64D

PDB ID 1evj

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