This new volume of Methods in Enzymology continues the legacy of this premier serial with quality chapters authored by leaders in the field. This volume covers G protein coupled receptors, and includes chapters on such topics as GPCR modelling, interactions with other molecules, virtual screening and GPCR activation. - Continues the legacy of this premier serial with quality chapters authored by leaders in the field - Covers G protein coupled receptors - Contains chapters on such topics as GPCR modelling, interactions with other molecules, virtual screening and GPCR activation.