View source for 6ekx


==Direct-evolutioned unspecific peroxygenase from Agrocybe aegerita, in complex with 1-naphthol (I)==
<StructureSection load='6ekx' size='340' side='right'caption='[[6ekx]], [[Resolution|resolution]] 1.13&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[6ekx]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Cyclocybe_aegerita Cyclocybe aegerita]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6EKX OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6EKX FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.13&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1NP:1-NAPHTHOL'>1NP</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MOH:METHANOL'>MOH</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</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=6ekx FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6ekx OCA], [https://pdbe.org/6ekx PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6ekx RCSB], [https://www.ebi.ac.uk/pdbsum/6ekx PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6ekx ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/APO1_CYCAE APO1_CYCAE] Aromatic peroxidase that oxidizes aryl alcohols into the corresponding aldehydes and then into the corresponding benzoic acids. Oxidizes toluene and naphthalene. Catalyzes the regioselective peroxide-dependent hydroxylation of propranolol and diclofenac to 5-hydroxypropranolol and 4'-hydroxydiclofenac. Catalyzes the regioselective peroxide-dependent hydroxylation of naphthalene to 1-naphthol or 2-naphthol via a naphthalene 1,2-oxide intermediate. Catalyzes the regioselective peroxide-dependent oxidation of pyridine to pyridine N-oxide. Halogenates monochlorodimedone and phenol. Oxidizes the sulfur-containing heterocycle dibenzothiophene to yield ring-hydroxylation products and to a lesser extent sulfoxidation products.<ref>PMID:15294788</ref> <ref>PMID:16253244</ref> <ref>PMID:17410351</ref> <ref>PMID:18815784</ref> <ref>PMID:19022254</ref> <ref>PMID:19039585</ref> <ref>PMID:19394224</ref> 
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Because of their minimal requirements, substrate promiscuity and product selectivity, fungal peroxygenases are now considered to be the jewel in the crown of C-H oxyfunctionalization biocatalysts. In this work, the crystal structure of the first laboratory-evolved peroxygenase expressed by yeast was determined at a resolution of 1.5 A. Notable differences were detected between the evolved and native peroxygenase from Agrocybe aegerita, including the presence of a full N-terminus and a broader heme access channel due to the mutations that accumulated through directed evolution. Further mutagenesis and soaking experiments with a palette of peroxygenative and peroxidative substrates suggested dynamic trafficking through the heme channel as the main driving force for the exceptional substrate promiscuity of peroxygenase. Accordingly, this study provides the first structural evidence at an atomic level regarding the mode of substrate binding for this versatile biocatalyst, which is discussed within a biological and chemical context.

Structural Insights into the Substrate Promiscuity of a Laboratory-Evolved Peroxygenase.,Ramirez-Escudero M, Molina-Espeja P, Gomez de Santos P, Hofrichter M, Sanz-Aparicio J, Alcalde M ACS Chem Biol. 2018 Nov 16. doi: 10.1021/acschembio.8b00500. PMID:30376293<ref>PMID:30376293</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 6ekx" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Cyclocybe aegerita]]
[[Category: Large Structures]]
[[Category: Ramirez-Escudero M]]
[[Category: Sanz-Aparicio J]]