Histamine mediates allergic reactions, inflammation, wakefulness, gastric acid secretion and neurotransmission, among others. Here, the authors determine 9 cryo-EM structures of the 4 histamine receptors in complexes with four different G protein subtypes, with endogenous or synthetic agonists bound, revealing their distinct features.
- Xuan Zhang
- Guibing Liu
- Weimin Gong
