AUTHOR=Wess Jürgen TITLE=Designer GPCRs as Novel Tools to Identify Metabolically Important Signaling Pathways JOURNAL=Frontiers in Endocrinology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2021.706957 DOI=10.3389/fendo.2021.706957 ISSN=1664-2392