9b9p
From Proteopedia
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| - | '''Unreleased structure''' | ||
| - | + | ==Crystal structure of Staphylococcus aureus ketol-acid reductoisomerase in complex with Mg2+, and JK-5-114== | |
| - | + | <StructureSection load='9b9p' size='340' side='right'caption='[[9b9p]], [[Resolution|resolution]] 3.18Å' scene=''> | |
| - | + | == Structural highlights == | |
| - | + | <table><tr><td colspan='2'>[[9b9p]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Staphylococcus_aureus Staphylococcus aureus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=9B9P OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9B9P 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]] 3.18Å</td></tr> | |
| - | [[Category: | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=A1AKJ:6-hydroxy-2-phenyl[1,3]thiazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione'>A1AKJ</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</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=9b9p FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9b9p OCA], [https://pdbe.org/9b9p PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9b9p RCSB], [https://www.ebi.ac.uk/pdbsum/9b9p PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9b9p ProSAT]</span></td></tr> | ||
| + | </table> | ||
| + | == Function == | ||
| + | [https://www.uniprot.org/uniprot/A0A4T9XKD7_STAAU A0A4T9XKD7_STAAU] Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate.[HAMAP-Rule:MF_00435] | ||
| + | __TOC__ | ||
| + | </StructureSection> | ||
| + | [[Category: Large Structures]] | ||
| + | [[Category: Staphylococcus aureus]] | ||
| + | [[Category: Guddat LW]] | ||
| + | [[Category: Kurz JL]] | ||
| + | [[Category: Lin X]] | ||
Current revision
Crystal structure of Staphylococcus aureus ketol-acid reductoisomerase in complex with Mg2+, and JK-5-114
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