1. Centre
for Computational Chemistry, School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K.
2. Institut
de Biotecnologia i de Biomedicina (IBB), Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain
3. Departament
de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra (Barcelona), Spain
4. Department
of Physics, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
5. Manchester
Institute of Biotechnology, University of Manchester, Manchester M13 9PL, U.K.
6. Department
of Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium