How does binding of imidazole-based inhibitors to heme oxygenase-1 influence their conformation? Insights combining crystal structures and molecular modelling

Andrea Carletta, Anaëlle Tilborg, Laurence Moineaux, Jérôme De Ruyck, Livia Basile, Loredana Salerno, Giuseppe Romeo, Johan Wouters, Salvatore Guccione

Résultats de recherche: Contribution à un journal/une revueArticle

4 Téléchargements (Pure)

Résumé

Heme oxygenase-1 (HO-1) inhibition is associated with antitumor activity. Imidazole-based analogues show effective and selective inhibitory potency of HO-1. In this work, five single-crystal structures of four imidazole-based compounds are presented, with an in-depth structural analysis. In order to study the influence of the conformation of the ligands on binding to protein, conformational data from crystallography are compared with quantum mechanics analysis and molecular docking studies. Molecular docking of imidazole-based analogues in the active site of HO-1 is in good agreement with the experimental structures. Inhibitors interact with the heme cofactor and a hydrophobic pocket (Met34, Phe37, Val50, Leu147 and Phe214) in the HO-1 binding site. An alternate binding mode can be hypothesized for some inhibitors in the series.

langue originaleAnglais
Pages (de - à)447-454
Nombre de pages8
journalActa Crystallographica Section B: Structural Science, Crystal Engineering and Materials
Volume71
Les DOIs
Etat de la publicationPublié - 1 août 2015

Empreinte digitale Examiner les sujets de recherche de « How does binding of imidazole-based inhibitors to heme oxygenase-1 influence their conformation? Insights combining crystal structures and molecular modelling ». Ensemble, ils forment une empreinte digitale unique.

  • Équipement

  • Contient cette citation