Homocitrate synthase

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Fission yeast homocitrate synthase Lys4 dimer complex with 2-oxoglutarate, Na+ (purple) and Zn+2 (grey) ions 3ivt

3D Structures of homocitrate synthase

Updated on 16-May-2019

3ivs – fyHS Lys4 – fission yeast
3ivt, 3ivu - fyHS Lys4 + 2-oxoglutarate
3mi3 - fyHS Lys4 + lysine
2ztj – TtHS + α-ketoglutarate – Thermus thermophilus
2zyf - TtHS + α-ketoglutarate + Mg
2ztk – TtHS + homocitrate
3a9i – TtHS + lysine


  1. Strassman M, Ceci LN. Enzymatic formation of homocitric acid, an intermediate in lysine biosynthesis. Biochem Biophys Res Commun. 1964;14:262-7. PMID:5836514
  2. Bulfer SL, Scott EM, Couture JF, Pillus L, Trievel RC. Crystal structure and functional analysis of homocitrate synthase, an essential enzyme in lysine biosynthesis. J Biol Chem. 2009 Dec 18;284(51):35769-80. Epub . PMID:19776021 doi:10.1074/jbc.M109.046821

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