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1adg

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[[Image:1adg.gif|left|200px]]
 
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{{Structure
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==CRYSTALLOGRAPHIC STUDIES OF TWO ALCOHOL DEHYDROGENASE-BOUND ANALOGS OF THIAZOLE-4-CARBOXAMIDE ADENINE DINUCLEOTIDE (TAD), THE ACTIVE ANABOLITE OF THE ANTITUMOR AGENT TIAZOFURIN==
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|PDB= 1adg |SIZE=350|CAPTION= <scene name='initialview01'>1adg</scene>, resolution 2.7&Aring;
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<StructureSection load='1adg' size='340' side='right'caption='[[1adg]], [[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=ZN:ZINC+ION'>ZN</scene> and <scene name='pdbligand=SAD:BETA-METHYLENE-SELENAZOLE-4-CARBOXYAMIDE-ADENINE DINUCLEOTIDE'>SAD</scene>
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<table><tr><td colspan='2'>[[1adg]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Equus_caballus Equus caballus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ADG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ADG FirstGlance]. <br>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Alcohol_dehydrogenase Alcohol dehydrogenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.1.1.1 1.1.1.1]
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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=SAD:BETA-METHYLENE-SELENAZOLE-4-CARBOXYAMIDE-ADENINE+DINUCLEOTIDE'>SAD</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</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=1adg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1adg OCA], [https://pdbe.org/1adg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1adg RCSB], [https://www.ebi.ac.uk/pdbsum/1adg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1adg ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ADH1E_HORSE ADH1E_HORSE]
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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/ad/1adg_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=1adg ConSurf].
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<div style="clear:both"></div>
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'''CRYSTALLOGRAPHIC STUDIES OF TWO ALCOHOL DEHYDROGENASE-BOUND ANALOGS OF THIAZOLE-4-CARBOXAMIDE ADENINE DINUCLEOTIDE (TAD), THE ACTIVE ANABOLITE OF THE ANTITUMOR AGENT TIAZOFURIN'''
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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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Thiazole-4-carboxamide adenine dinucleotide (TAD) is the active anabolite of the antitumor drug tiazofurin. Beta-methylene TAD (beta-TAD) is a phosphodiesterase-resistant analogue of TAD, active in tiazofurin-resistant cells. Beta-methylene SAD (beta-SAD) is the active selenium derivative of beta-TAD. Both agents are analogues of the cofactor NAD and are capable of acting as general dehydrogenase inhibitors. Crystal structures of beta-TAD and beta-SAD bound to horse liver alcohol dehydrogenase (LADH) are presented at 2.9 and 2.7 A, respectively. Both complexes crystallize in the orthorhombic space group C222(1) and are isomorphous to apo-LADH. Complexes containing beta-TAD and beta-SAD were refined to crystallographic R values of 15% and 16%, respectively, for reflections between 8 A and the minimum d spacing. Conformations of both inhibitors are similar. beta-TAD and beta-SAD bind to the "open" form of LADH in the normal cofactor-binding cleft between the coenzyme and catalytic domains of each monomer. Binding at the adenosine end of each inhibitor resembles that of NAD. However, the positions of the thiazole and selenazole heterocycles are displaced away from the catalytic Zn cation by approximately 4 A. Close intramolecular S-O and Se-O contacts observed in the parent nucleoside analogues are maintained in both LADH-bound beta-TAD and beta-SAD, respectively. These conformational constraints may influence the binding specificity of the inhibitors.
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==About this Structure==
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1ADG is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Equus_caballus Equus caballus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1ADG OCA].
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==Reference==
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Crystallographic studies of two alcohol dehydrogenase-bound analogues of thiazole-4-carboxamide adenine dinucleotide (TAD), the active anabolite of the antitumor agent tiazofurin., Li H, Hallows WH, Punzi JS, Marquez VE, Carrell HL, Pankiewicz KW, Watanabe KA, Goldstein BM, Biochemistry. 1994 Jan 11;33(1):23-32. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/8286346 8286346]
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[[Category: Alcohol dehydrogenase]]
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[[Category: Equus caballus]]
[[Category: Equus caballus]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Carrell, H L.]]
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[[Category: Carrell HL]]
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[[Category: Goldstein, B M.]]
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[[Category: Goldstein BM]]
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[[Category: Hallows, W A.]]
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[[Category: Hallows WA]]
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[[Category: Li, H.]]
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[[Category: Li H]]
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[[Category: Marquez, V E.]]
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[[Category: Marquez VE]]
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[[Category: Pankiewicz, K W.]]
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[[Category: Pankiewicz KW]]
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[[Category: Punzi, J S.]]
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[[Category: Punzi JS]]
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[[Category: Watanabe, K A.]]
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[[Category: Watanabe KA]]
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[[Category: SAD]]
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[[Category: ZN]]
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[[Category: oxidoreductase(nad(a)-choh(d))]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 09:56:05 2008''
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Current revision

CRYSTALLOGRAPHIC STUDIES OF TWO ALCOHOL DEHYDROGENASE-BOUND ANALOGS OF THIAZOLE-4-CARBOXAMIDE ADENINE DINUCLEOTIDE (TAD), THE ACTIVE ANABOLITE OF THE ANTITUMOR AGENT TIAZOFURIN

PDB ID 1adg

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