Nomenclature of targets and ligands
Key protein targets and ligands in this article are hyperlinked to
corresponding entries in http://www.guidetopharmacology.org, the common
portal for data from the IUPHAR/BPS Guide to PHARMACOLOGY (Harding et
al., 2018), and are permanently archived in the Concise Guide to
PHARMACOLOGY 2019/2020 (Alexander et al., 2019).