1. SPCMIB, UMR-CNRS 5068; Université Paul Sabatier-Toulouse III; 118 route de Narbonne 31062 Toulouse Cedex 9 France
2. 05/UR/13-01, LPMLNMH; Carthage University, Faculty of Sciences of Bizerte; 7021 Jarzouna Tunisia
3. Laboratory of Biotechnology and Organic Synthesis; Federal University of Ceará; Campus do Pici Fortaleza, Ceará Brazil
4. LCC-CNRS; Université de Toulouse, CNRS, UPS; Toulouse France
5. Institute of Pharmacology and Structural Biology, UMR5089 CNRS/UPS; Department of Structural Biology and Biophysics; Université Paul Sabatier-Toulouse III; 205 route de Narbonne 31077 Toulouse Cedex 4 France