Migraine Illustration (IMAGE) Scripps Research Institute Caption The new study illustrated an innovative technique to find structural details about G protein-coupled receptors (GPCRs), which are targeted by approximately 40 percent of modern medicines. This illustration represents a migraine, overlaid with a rendering of the human serotonin receptor (a GPCR) bound to ergotamine, an anti-migraine drug. Also shown is a rendering of a neuron network. Credit Image by Katya Kadyshevskaya, The Scripps Research Institute. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.