1bw9

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[[Image:1bw9.gif|left|200px]]
 
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{{Structure
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==PHENYLALANINE DEHYDROGENASE STRUCTURE IN TERNARY COMPLEX WITH NAD+ AND PHENYLPYRUVATE==
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|PDB= 1bw9 |SIZE=350|CAPTION= <scene name='initialview01'>1bw9</scene>, resolution 1.5&Aring;
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<StructureSection load='1bw9' size='340' side='right'caption='[[1bw9]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=NAD:NICOTINAMIDE-ADENINE-DINUCLEOTIDE'>NAD</scene>, <scene name='pdbligand=PPY:3-PHENYLPYRUVIC+ACID'>PPY</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene> and <scene name='pdbligand=IPA:ISOPROPYL ALCOHOL'>IPA</scene>
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<table><tr><td colspan='2'>[[1bw9]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Rhodococcus_sp. Rhodococcus sp.]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BW9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1BW9 FirstGlance]. <br>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Phenylalanine_dehydrogenase Phenylalanine dehydrogenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.4.1.20 1.4.1.20]
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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]] 1.5&#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=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=IPA:ISOPROPYL+ALCOHOL'>IPA</scene>, <scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=NAD:NICOTINAMIDE-ADENINE-DINUCLEOTIDE'>NAD</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=PPY:3-PHENYLPYRUVIC+ACID'>PPY</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=1bw9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1bw9 OCA], [https://pdbe.org/1bw9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1bw9 RCSB], [https://www.ebi.ac.uk/pdbsum/1bw9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1bw9 ProSAT]</span></td></tr>
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</table>
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'''PHENYLALANINE DEHYDROGENASE STRUCTURE IN TERNARY COMPLEX WITH NAD+ AND PHENYLPYRUVATE'''
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== Function ==
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[https://www.uniprot.org/uniprot/DHPH_RHOSO DHPH_RHOSO] Catalyzes the reversible NAD(+)-dependent oxidative deamination of L-phenylalanine to phenylpyruvate.<ref>PMID:10924111</ref> <ref>PMID:8206922</ref>
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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 molecular structures of recombinant L-phenylalanine dehydrogenase from Rhodococcus sp. M4 in two different inhibitory ternary complexes have been determined by X-ray crystallographic analyses to high resolution. Both structures show that L-phenylalanine dehydrogenase is a homodimeric enzyme with each monomer composed of distinct globular N- and C-terminal domains separated by a deep cleft containing the active site. The N-terminal domain binds the amino acid substrate and contributes to the interactions at the subunit:subunit interface. The C-terminal domain contains a typical Rossmann fold and orients the dinucleotide. The dimer has overall dimensions of approximately 82 A x 75 A x 75 A, with roughly 50 A separating the two active sites. The structures described here, namely the enzyme.NAD+.phenylpyruvate, and enzyme. NAD+.beta-phenylpropionate species, represent the first models for any amino acid dehydrogenase in a ternary complex. By analysis of the active-site interactions in these models, along with the currently available kinetic data, a detailed chemical mechanism has been proposed. This mechanism differs from those proposed to date in that it accounts for the inability of the amino acid dehydrogenases, in general, to function as hydroxy acid dehydrogenases.
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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/bw/1bw9_consurf.spt"</scriptWhenChecked>
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1BW9 is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Rhodococcus_sp. Rhodococcus sp.]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BW9 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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Phenylalanine dehydrogenase from Rhodococcus sp. M4: high-resolution X-ray analyses of inhibitory ternary complexes reveal key features in the oxidative deamination mechanism., Vanhooke JL, Thoden JB, Brunhuber NM, Blanchard JS, Holden HM, Biochemistry. 1999 Feb 23;38(8):2326-39. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10029526 10029526]
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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=1bw9 ConSurf].
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[[Category: Phenylalanine dehydrogenase]]
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<div style="clear:both"></div>
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[[Category: Protein complex]]
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== References ==
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[[Category: Rhodococcus sp.]]
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<references/>
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[[Category: Blanchard, J L.]]
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__TOC__
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[[Category: Brunhuber, N M.W.]]
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</StructureSection>
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[[Category: Holden, H M.]]
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[[Category: Large Structures]]
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[[Category: Thoden, J B.]]
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[[Category: Rhodococcus sp]]
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[[Category: Vanhooke, J L.]]
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[[Category: Blanchard JL]]
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[[Category: EDO]]
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[[Category: Brunhuber NMW]]
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[[Category: IPA]]
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[[Category: Holden HM]]
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[[Category: K]]
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[[Category: Thoden JB]]
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[[Category: NA]]
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[[Category: Vanhooke JL]]
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[[Category: NAD]]
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[[Category: PO4]]
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[[Category: PPY]]
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[[Category: amino acid dehydrogenase]]
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[[Category: oxidative deamination mechanism]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 10:16:32 2008''
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Current revision

PHENYLALANINE DEHYDROGENASE STRUCTURE IN TERNARY COMPLEX WITH NAD+ AND PHENYLPYRUVATE

PDB ID 1bw9

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