1. Dipartimento di Scienze ChimicheComplesso Universitario Monte Sant'AngeloUniversità di Napoli Federico II Via Cintia 4 80126 Napoli Italy
2. Department of Structural and Chemical BiologyCentro de Investigaciones BiológicasCIB-CSIC C/Ramiro de Maeztu, 9 28040 Madrid Spain
3. Department of ChemistryGraduate School of ScienceOsaka University 1-1 Machikaneyama Toyonaka Osaka 560-0043 Japan
4. Core for Medicine and Science Collaborative Research and EducationProject Research Center for Fundamental ScienceOsaka University 1-1 Machikaneyama Toyonaka Osaka 560-0043 Japan
5. Department of PharmacyUniversity of Naples Federico II Via D. Montesano 49 80131 Naples Italy
6. Division of Cell Signalling and ImmunologySchool of Life SciencesUniversity of Dundee Dundee UK