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2000
Volume 11, Issue 6
  • ISSN: 1570-1808
  • E-ISSN: 1875-628X

Abstract

Induced fit docking approach was utilized to decipher the binding mode of the recently reported dibenz[b,f]1,5- oxazocine derivative having activity towards κ -Opioid receptor. The result of docking to newly resolved crystallographic structure of κ -Opioid receptor established the important interactions as two hydrogen bonds, a π-π interaction, and two hydrophobic interactions. Based on the study it is inferred that protonated nitrogen is not always essential for binding of non-peptidic nitrogen containing opioids to κ -Opioid receptor. Also, docking was performed using well-known kappa agonist pentazocine to prove different binding requirements of the dibenzo compound. A pharmacophoric model has been developed based on the previously known nitrogen containing κ -Opioid receptor agonists and the new dibenzo compound to determine the minimal 3D features, required for κ -Opioid agonist activity. To our knowledge, this is the first report of a binding mode analysis study for non-protonated nitrogen containing κ-Opioid receptor agonist.

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/content/journals/lddd/10.2174/1570180811666140220004853
2014-07-01
2025-07-06
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/content/journals/lddd/10.2174/1570180811666140220004853
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  • Article Type:
    Research Article
Keyword(s): Agonist; Docking; Kappa opioid receptor; Non-peptidic; Opioids; Protonated nitrogen
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