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==Crystal structure of homocitrate synthase from Thermus thermophilus complexed with Lys==
==Crystal structure of homocitrate synthase from Thermus thermophilus complexed with Lys==
<StructureSection load='3a9i' size='340' side='right' caption='[[3a9i]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
<StructureSection load='3a9i' size='340' side='right'caption='[[3a9i]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3a9i]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Thet2 Thet2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3A9I OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3A9I FirstGlance]. <br>
<table><tr><td colspan='2'>[[3a9i]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus_HB27 Thermus thermophilus HB27]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3A9I OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3A9I FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=LYS:LYSINE'>LYS</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2ztj|2ztj]], [[2ztk|2ztk]]</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CO:COBALT+(II)+ION'>CO</scene>, <scene name='pdbligand=LYS:LYSINE'>LYS</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Homocitrate_synthase Homocitrate synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.3.3.14 2.3.3.14] </span></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=3a9i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3a9i OCA], [https://pdbe.org/3a9i PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3a9i RCSB], [https://www.ebi.ac.uk/pdbsum/3a9i PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3a9i ProSAT]</span></td></tr>
<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=3a9i FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3a9i OCA], [http://pdbe.org/3a9i PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3a9i RCSB], [http://www.ebi.ac.uk/pdbsum/3a9i PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3a9i ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[https://www.uniprot.org/uniprot/HOSA_THET2 HOSA_THET2] Catalyzes the aldol-type condensation of 2-oxoglutarate with acetyl-CoA to yield homocitrate (PubMed:19996101, PubMed:12095615). Carries out the first step of the alpha-aminoadipate (AAA) lysine biosynthesis pathway (PubMed:9868782). To a lesser extent, can also use oxaloacetate in place of 2-oxoglutarate, leading to citrate. Does not display 2-isopropylmalate synthase activity since it cannot use 2-oxoisovalerate (PubMed:12095615).<ref>PMID:12095615</ref> <ref>PMID:19996101</ref> <ref>PMID:9868782</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Homocitrate synthase]]
[[Category: Large Structures]]
[[Category: Thet2]]
[[Category: Thermus thermophilus HB27]]
[[Category: Kuzuyama, T]]
[[Category: Kuzuyama T]]
[[Category: Nishiyama, M]]
[[Category: Nishiyama M]]
[[Category: Okada, T]]
[[Category: Okada T]]
[[Category: Tomita, T]]
[[Category: Tomita T]]
[[Category: Amino-acid biosynthesis]]
[[Category: Lysine biosynthesis]]
[[Category: Lysine complex]]
[[Category: Transferase-transferase inhibitor complex]]

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