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<StructureSection load='1evj' size='340' side='right'caption='[[1evj]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
<StructureSection load='1evj' size='340' side='right'caption='[[1evj]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1evj]] is a 4 chain structure. 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>
<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>
</td></tr><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>
</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>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1ofg|1ofg]]</div></td></tr>
<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>
<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>
<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>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/GFO_ZYMMO GFO_ZYMMO]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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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].
</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].
<div style="clear:both"></div>
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
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.
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:11099381<ref>PMID:11099381</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1evj" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Glucose-fructose oxidoreductase|Glucose-fructose oxidoreductase]]
*[[Glucose-fructose oxidoreductase|Glucose-fructose oxidoreductase]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Baker, E N]]
[[Category: Zymomonas mobilis]]
[[Category: Baker, H M]]
[[Category: Baker EN]]
[[Category: Halbig, D]]
[[Category: Baker HM]]
[[Category: Hardman, M J]]
[[Category: Halbig D]]
[[Category: Lott, J S]]
[[Category: Hardman MJ]]
[[Category: Sprenger, G A]]
[[Category: Lott JS]]
[[Category: N-terminal arm]]
[[Category: Sprenger GA]]
[[Category: Nadp/nad binding]]
[[Category: Oligomerization state]]
[[Category: Osmotic protection]]
[[Category: Oxidoreductase]]
[[Category: Periplasm]]

Latest revision as of 10:07, 7 February 2024

CRYSTAL STRUCTURE OF GLUCOSE-FRUCTOSE OXIDOREDUCTASE (GFOR) DELTA1-22 S64DCRYSTAL STRUCTURE OF GLUCOSE-FRUCTOSE OXIDOREDUCTASE (GFOR) DELTA1-22 S64D

Structural highlights

1evj is a 4 chain structure with sequence from Zymomonas mobilis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.7Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

GFO_ZYMMO

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

1evj, resolution 2.70Å

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