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==Selenomethionine labeled Fe(II)/(alpha)ketoglutarate-dependent dioxygenase TqaL==
==Selenomethionine labeled Fe(II)/(alpha)ketoglutarate-dependent dioxygenase TqaL==
<StructureSection load='7eeh' size='340' side='right'caption='[[7eeh]]' scene=''>
<StructureSection load='7eeh' size='340' side='right'caption='[[7eeh]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7EEH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7EEH FirstGlance]. <br>
<table><tr><td colspan='2'>[[7eeh]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Chrysonilia_crassa Chrysonilia crassa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7EEH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7EEH FirstGlance]. <br>
</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=7eeh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7eeh OCA], [https://pdbe.org/7eeh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7eeh RCSB], [https://www.ebi.ac.uk/pdbsum/7eeh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7eeh ProSAT]</span></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">B14A6.180 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=5141 Chrysonilia crassa])</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=7eeh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7eeh OCA], [https://pdbe.org/7eeh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7eeh RCSB], [https://www.ebi.ac.uk/pdbsum/7eeh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7eeh ProSAT]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Aziridine is a characteristically reactive molecule with increased bioactivity due to its strained ring structure. Here, we investigated the biosynthesis of 2-aminoisobutyric acid (AIB) in Penicillium , and successfully reconstituted the three-step biosynthesis from L-Val to AIB in vitro . This previously unknown aziridine formation pathway proceeded with the non-heme iron and a -ketoglutarate-dependent (Fe(II)/ alpha KG) oxygenase TqaL, followed by aziridine ring opening by the haloalkanoic acid dehalogenase (HAD)-type hydrolase TqaF, and subsequent oxidative decarboxylation by the NovR/CloR-like non-heme iron oxygenase TqaM. Furthermore, the X-ray crystal structure of the C-N bond forming Fe(II)/ alpha KG oxygenase TqaL was solved at 2.0 A resolution. This work presents the first molecular basis for aziridine biogenesis, thereby expanding the catalytic repertoire of the Fe(II)/ alpha KG oxygenases. We also report the unique aziridine ring opening by a HAD-type hydrolase and the remarkable oxidative decarboxylation by a non-heme iron oxygenase to produce AIB.
Aziridine formation by a Fe(II)/alpha-ketoglutarate dependent oxygenase and 2-aminoisobutyrate biosynthesis in fungi.,Abe I, Bunno R, Awakawa T, Mori T Angew Chem Int Ed Engl. 2021 May 11. doi: 10.1002/anie.202104644. PMID:33973699<ref>PMID:33973699</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 7eeh" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Chrysonilia crassa]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Abe I]]
[[Category: Abe, I]]
[[Category: Awakawa T]]
[[Category: Awakawa, T]]
[[Category: Bunno R]]
[[Category: Bunno, R]]
[[Category: Mori T]]
[[Category: Mori, T]]
[[Category: Alpha-ketoglutarate dependent dioxygenase]]
[[Category: Aziridine]]
[[Category: Biosynthesis]]
[[Category: Oxidoreductase]]
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