• Title/Summary/Keyword: Darapladib

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Darapladib Binds to Lipoprotein-Associated Phospholipase A2 with Meaningful Interactions

  • Do, Kyoung-Rok;Kim, Chul;Chang, Byungha;An, Seong Soo A.;Shin, Jae-Min;Yea, Sang-Jun;Song, Mi-Young;No, Kyoung Tai;Lee, Jee-Young
    • Bulletin of the Korean Chemical Society
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    • v.35 no.1
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    • pp.250-252
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    • 2014
  • Lipoprotein-associated phospholipase A2 (Lp-$PLA_2$) is a crucial enzyme in atherosclerosis as a potential drug target. The most remarkable Lp-$PLA_2$ inhibitory drug is Darapladib. We determined the binding pose of Darapladib to Lp-$PLA_2$ through docking study. Darapladib formed two hydrogen bonding interactions with the side chain of Tyr160 and Gln352 and several pi-pi interactions with aromatic and aliphatic hydrophobic residues of Lp-$PLA_2$. It is known that the dietylpropan-amine moiety of Darapladib has influence on the improvement of its oral bioavailability and we supposed this in our docking results.