2yyg

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[[Image:2yyg.png|left|200px]]
 
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==Crystal structure of the oxygenase component (HpaB) of 4-hydroxyphenylacetate 3-monooxygenase==
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The line below this paragraph, containing "STRUCTURE_2yyg", creates the "Structure Box" on the page.
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<StructureSection load='2yyg' size='340' side='right'caption='[[2yyg]], [[Resolution|resolution]] 2.00&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'>[[2yyg]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus_HB8 Thermus thermophilus HB8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2YYG OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2YYG 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&#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=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_2yyg| PDB=2yyg | 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=2yyg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2yyg OCA], [https://pdbe.org/2yyg PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2yyg RCSB], [https://www.ebi.ac.uk/pdbsum/2yyg PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2yyg ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/HPAB_THET8 HPAB_THET8] Utilizes FADH(2) supplied by HpaC, to catalyze the hydroxylation of 4-hydroxyphenylacetic acid, leading to the production of 3,4-dihydroxyphenylacetic acid (DHPA).<ref>PMID:17804419</ref>
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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/yy/2yyg_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=2yyg ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The 4-hydroxyphenylacetate (4HPA) 3-monooxygenase is involved in the initial step of the 4HPA degradation pathway and catalyzes 4HPA hydroxylation to 3,4-dihydroxyphenylacetate. This enzyme consists of two components, an oxygenase (HpaB) and a reductase (HpaC). To understand the structural basis of the catalytic mechanism of HpaB, crystal structures of HpaB from Thermus thermophilus HB8 were determined in three states: a ligand-free form, a binary complex with FAD, and a ternary complex with FAD and 4HPA. Structural analysis revealed that the binding and dissociation of flavin are accompanied by conformational changes of the loop between beta5 and beta6 and of the loop between beta8 and beta9, leading to preformation of part of the substrate-binding site (Ser-197 and Thr-198). The latter loop further changes its conformation upon binding of 4HPA and obstructs the active site from the bulk solvent. Arg-100 is located adjacent to the putative oxygen-binding site and may be involved in the formation and stabilization of the C4a-hydroperoxyflavin intermediate.
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===Crystal structure of the oxygenase component (HpaB) of 4-hydroxyphenylacetate 3-monooxygenase===
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Crystal structure of the oxygenase component (HpaB) of the 4-hydroxyphenylacetate 3-monooxygenase from Thermus thermophilus HB8.,Kim SH, Hisano T, Takeda K, Iwasaki W, Ebihara A, Miki K J Biol Chem. 2007 Nov 9;282(45):33107-17. Epub 2007 Sep 5. PMID:17804419<ref>PMID:17804419</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_17804419}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 2yyg" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 17804419 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_17804419}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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[[2yyg]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermus_thermophilus_hb8 Thermus thermophilus hb8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2YYG OCA].
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[[Category: Thermus thermophilus HB8]]
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[[Category: Ebihara A]]
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==Reference==
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[[Category: Hisano T]]
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<ref group="xtra">PMID:17804419</ref><ref group="xtra">PMID:17620709</ref><references group="xtra"/>
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[[Category: Iwasaki W]]
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[[Category: 4-hydroxyphenylacetate 3-monooxygenase]]
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[[Category: Kim S-H]]
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[[Category: Thermus thermophilus hb8]]
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[[Category: Miki K]]
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[[Category: Ebihara, A.]]
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[[Category: Takeda K]]
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[[Category: Hisano, T.]]
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[[Category: Iwasaki, W.]]
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[[Category: Kim, S H.]]
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[[Category: Miki, K.]]
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[[Category: Takeda, K.]]
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[[Category: Oxidoreductase]]
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[[Category: Oxygnase component]]
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[[Category: Riken spring-8 center]]
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[[Category: Structurome]]
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[[Category: Two-component flavin diffusible monooxygenase]]
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Current revision

Crystal structure of the oxygenase component (HpaB) of 4-hydroxyphenylacetate 3-monooxygenase

PDB ID 2yyg

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