5yw0

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==Crystal structure of the Kdo hydroxylase KdoO, a non-heme Fe(II) alphaketoglutarate dependent dioxygenase in complex with succinate and Fe(III)==
==Crystal structure of the Kdo hydroxylase KdoO, a non-heme Fe(II) alphaketoglutarate dependent dioxygenase in complex with succinate and Fe(III)==
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<StructureSection load='5yw0' size='340' side='right' caption='[[5yw0]], [[Resolution|resolution]] 1.49&Aring;' scene=''>
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<StructureSection load='5yw0' size='340' side='right'caption='[[5yw0]], [[Resolution|resolution]] 1.49&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5yw0]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Meti4 Meti4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5YW0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5YW0 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5yw0]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Methylacidiphilum_infernorum_V4 Methylacidiphilum infernorum V4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5YW0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5YW0 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=PG4:TETRAETHYLENE+GLYCOL'>PG4</scene>, <scene name='pdbligand=SIN:SUCCINIC+ACID'>SIN</scene></td></tr>
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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]] 1.49&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5yvz|5yvz]], [[5y9y|5y9y]]</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=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=FE:FE+(III)+ION'>FE</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=PG4:TETRAETHYLENE+GLYCOL'>PG4</scene>, <scene name='pdbligand=SIN:SUCCINIC+ACID'>SIN</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">Minf_1012 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=481448 METI4])</td></tr>
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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=5yw0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5yw0 OCA], [https://pdbe.org/5yw0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5yw0 RCSB], [https://www.ebi.ac.uk/pdbsum/5yw0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5yw0 ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5yw0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5yw0 OCA], [http://pdbe.org/5yw0 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5yw0 RCSB], [http://www.ebi.ac.uk/pdbsum/5yw0 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5yw0 ProSAT]</span></td></tr>
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</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/B3DUR4_METI4 B3DUR4_METI4]
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During lipopolysaccharide biosynthesis in several pathogens, including Burkholderia and Yersinia, 3-deoxy-d-manno-oct-2-ulosonic acid (Kdo) 3-hydroxylase, otherwise referred to as KdoO, converts Kdo to d-glycero-d-talo-oct-2-ulosonic acid (Ko) in an Fe(II)/alpha-ketoglutarate (alpha-KG)/O2-dependent manner. This conversion renders the bacterial outer membrane more stable and resistant to stresses such as an acidic environment. KdoO is a membrane-associated, deoxy-sugar hydroxylase that does not show significant sequence identity with any known enzymes, and its structural information has not been previously reported. Here, we report the biochemical and structural characterization of KdoO, Minf_1012 (KdoMI), from Methylacidiphilum infernorum V4. The de novo structure of KdoMI apoprotein indicates that KdoOMI consists of 13 alpha helices and 11 beta strands, and has the jelly roll fold containing a metal binding motif, HXDX111H. Structures of KdoMI bound to Co(II), KdoMI bound to alpha-KG and Fe(III), and KdoMI bound to succinate and Fe(III), in addition to mutagenesis analysis, indicate that His146, His260, and Asp148 play critical roles in Fe(II) binding, while Arg127, Arg162, Arg174, and Trp176 stabilize alpha-KG. It was also observed that His225 is adjacent to the active site and plays an important role in the catalysis of KdoOMI without affecting substrate binding, possibly being involved in oxygen activation. The crystal structure of KdoOMI is the first completed structure of a deoxy-sugar hydroxylase, and the data presented here have provided mechanistic insights into deoxy-sugar hydroxylase, KdoO, and lipopolysaccharide biosynthesis.
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Biochemical and Structural Insights into an Fe(II)/alpha-Ketoglutarate/O2-Dependent Dioxygenase, Kdo 3-Hydroxylase (KdoO).,Joo SH, Pemble CW 4th, Yang EG, Raetz CRH, Chung HS J Mol Biol. 2018 Aug 7. pii: S0022-2836(18)30719-8. doi:, 10.1016/j.jmb.2018.07.029. PMID:30092253<ref>PMID:30092253</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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<div class="pdbe-citations 5yw0" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Meti4]]
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[[Category: Large Structures]]
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[[Category: Chung, H S]]
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[[Category: Methylacidiphilum infernorum V4]]
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[[Category: Joo, S H]]
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[[Category: Chung HS]]
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[[Category: Pemble, C W]]
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[[Category: Joo SH]]
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[[Category: Raetz, C R]]
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[[Category: Pemble CW]]
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[[Category: Biosynthetic protein]]
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[[Category: Raetz CR]]
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[[Category: Deoxysugar dioxygenase]]
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[[Category: Kdo2-lipid a dioxygenase]]
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[[Category: Lps biosynthesis]]
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Current revision

Crystal structure of the Kdo hydroxylase KdoO, a non-heme Fe(II) alphaketoglutarate dependent dioxygenase in complex with succinate and Fe(III)

PDB ID 5yw0

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