The Fragment Molecular Orbital Method Reveals New Insight into the Chemical Nature of GPCR-Ligand Interactions. - Alexander Heifetz; Ewa I. Chudyk; Laura Gleave; Matteo Aldeghi; Vadim Cherezov; Dmitri G. Fedorov; Philip C. Biggin; Michael J. Bodkin (J. Chem. Inf. Model., 2016)