Guide to Receptors and Channels (GRAC), 5th edition

Use the link to access the full text article posted to PMC and also available in an open access special edition of the British Journal of Pharmacology published by Wiley.  The abstract reads as follows: "The Fifth Edition of the ‘Guide to Receptors and Channels’ is a compilation of the major pharmacological targets divided into seven sections: G protein-coupled receptors, ligand-gated ion channels, ion channels, catalytic receptors, nuclear receptors, transporters and enzymes. These are presented with nomenclature guidance and summary information on the best available pharmacological tools, alongside suggestions for further reading. Available alongside this publication is a portal at http://www.GuideToPharmacology.org which is produced in close association with NC-IUPHAR and allows free online access to the information presented in the Fifth Edition."