1rjw

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[[Image:1rjw.gif|left|200px]]
 
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==CRYSTAL STRUCTURE OF NAD(+)-DEPENDENT ALCOHOL DEHYDROGENASE FROM BACILLUS STEAROTHERMOPHILUS STRAIN LLD-R==
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The line below this paragraph, containing "STRUCTURE_1rjw", creates the "Structure Box" on the page.
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<StructureSection load='1rjw' size='340' side='right'caption='[[1rjw]], [[Resolution|resolution]] 2.35&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'>[[1rjw]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Geobacillus_stearothermophilus Geobacillus stearothermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RJW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RJW 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]] 2.35&#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=ETF:TRIFLUOROETHANOL'>ETF</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_1rjw| PDB=1rjw | 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=1rjw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rjw OCA], [https://pdbe.org/1rjw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rjw RCSB], [https://www.ebi.ac.uk/pdbsum/1rjw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rjw ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ADH3_GEOSE ADH3_GEOSE] Thermophilic NAD(+)-dependent alcohol dehydrogenase. Bears mainly an ethanol-dehydrogenase activity.
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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/rj/1rjw_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=1rjw ConSurf].
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<div style="clear:both"></div>
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'''CRYSTAL STRUCTURE OF NAD(+)-DEPENDENT ALCOHOL DEHYDROGENASE FROM BACILLUS STEAROTHERMOPHILUS STRAIN LLD-R'''
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==See Also==
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*[[Alcohol dehydrogenase 3D structures|Alcohol dehydrogenase 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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The crystal structure of NAD(+)-dependent alcohol dehydrogenase from Bacillus stearothermophilus strain LLD-R (htADH) was determined using X-ray diffraction data at a resolution of 2.35 A. The structure of homotetrameric htADH is highly homologous to those of bacterial and archaeal homotetrameric alcohol dehydrogenases (ADHs) and also to the mammalian dimeric ADHs. There is one catalytic zinc atom and one structural zinc atom per enzyme subunit. The enzyme was crystallized as a binary complex lacking the nicotinamide adenine dinucleotide (NAD(+)) cofactor but including a zinc-coordinated substrate analogue trifluoroethanol. The binary complex structure is in an open conformation similar to ADH structures without the bound cofactor. Features important for the thermostability of htADH are suggested by a comparison with a homologous mesophilic enzyme (55% identity), NAD(+)-dependent alcohol dehydrogenase from Escherichia coli. To gain insight into the conformational change triggered by NAD(+) binding, amide hydrogen-deuterium exchange of htADH, in the presence and absence of NAD(+), was studied by HPLC-coupled electrospray mass spectrometry. When the deuteron incorporation of the protein-derived peptides was analyzed, it was found that 9 of 21 peptides show some decrease in the level of deuteron incorporation upon NAD(+) binding, and another 4 peptides display slower exchange rates. With one exception (peptide number 8), none of the peptides that are altered by bound NAD(+) are in contact with the alcohol-substrate-binding pocket. Furthermore, peptides 5 and 8, which are located outside the NAD(+)-binding pocket, are notable by displaying changes upon NAD(+) binding. This suggests that the transition from the open to the closed conformation caused by cofactor binding has some long-range effects on the protein structure and dynamics.
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==About this Structure==
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1RJW is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Geobacillus_stearothermophilus Geobacillus stearothermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RJW OCA].
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==Reference==
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Crystal structure and amide H/D exchange of binary complexes of alcohol dehydrogenase from Bacillus stearothermophilus: insight into thermostability and cofactor binding., Ceccarelli C, Liang ZX, Strickler M, Prehna G, Goldstein BM, Klinman JP, Bahnson BJ, Biochemistry. 2004 May 11;43(18):5266-77. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15122892 15122892]
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[[Category: Alcohol dehydrogenase]]
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[[Category: Geobacillus stearothermophilus]]
[[Category: Geobacillus stearothermophilus]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Bahnson, B J.]]
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[[Category: Bahnson BJ]]
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[[Category: Ceccarelli, C.]]
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[[Category: Ceccarelli C]]
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[[Category: Alcohol]]
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[[Category: Dehydrogenase]]
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[[Category: Nad]]
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[[Category: Oxidoreductase]]
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[[Category: Tetramer]]
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[[Category: Zinc]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 07:35:15 2008''
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Current revision

CRYSTAL STRUCTURE OF NAD(+)-DEPENDENT ALCOHOL DEHYDROGENASE FROM BACILLUS STEAROTHERMOPHILUS STRAIN LLD-R

PDB ID 1rjw

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