Docking experiments showing similar recognition patterns of paclitaxel when interacting with different macromolecular targets

Farmaco. 2003 Sep;58(9):691-8. doi: 10.1016/S0014-827X(03)00108-3.

Abstract

Using the Protein Data Bank crystallographic model of paclitaxel with tubulin as reference, a comparative interaction study of the antitumor drug with known macromolecular targets such as beta-cyclodextrin and Dickerson's DNA dodecamer was carried out by molecular modeling techniques. AMBER* united atoms was found to be the most appropriate force field for our study. Conformational search of paclitaxel was performed using a water environment. A large set of conformers was selected for automatic "quasi-flexible" docking calculations performed by the "in-house" software MOLINE. A proper docking protocol was based on a crystallographic model and validated by a remarkable low atomic coordinate deviation. Using this method, a similar pattern via benzamide interaction was established for molecular recognition of paclitaxel cyclodextrin and DNA. The results are supported by our previous observations and other author's experimental data.

Publication types

  • Comparative Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antineoplastic Agents, Phytogenic / chemistry*
  • Crystallization
  • Cyclodextrins / chemistry
  • DNA / chemistry
  • Models, Molecular
  • Molecular Conformation
  • Paclitaxel / chemistry*
  • Polymers / chemistry
  • Protein Binding
  • Tubulin / chemistry
  • beta-Cyclodextrins*

Substances

  • Antineoplastic Agents, Phytogenic
  • Cyclodextrins
  • Polymers
  • Tubulin
  • beta-Cyclodextrins
  • DNA
  • betadex
  • Paclitaxel