变构调节
G蛋白偶联受体
视紫红质
变构调节剂
受体
化学
毒蕈碱乙酰胆碱受体M5
毒蕈碱乙酰胆碱受体M3
生物物理学
毒蕈碱乙酰胆碱受体
生物
生物化学
视网膜
作者
Hubert Gerwe,E. Schaller,Rosalba Sortino,Ekin Opar,Joaquin Martínez -Tambella,Marcel Bermudez,J. Robert Lane,Pau Gorostiza,Michael Decker
标识
DOI:10.1002/ange.202411438
摘要
The field of G protein‐coupled receptor (GPCR) research has greatly benefited from the spatiotemporal resolution provided by light controllable, photoswitchable agents. Most of the developed tools have targeted the Rhodopsin‐like family (Class A), the largest family of GPCRs. However, to date, all such Class A photoswitchable ligands were designed to act at the orthosteric binding site of these receptors. Herein, we report the development of the first photoswitchable allosteric modulators of Class A GPCRs, designed to target the M1 muscarinic acetylcholine receptor. The presented benzyl quinolone carboxylic acid (BQCA) derivatives, photo‐BQCisA and photo‐BQCtrAns, exhibit complementary photopharmacological behavior and allow reversible control over the receptor using light as an external stimulus. This makes them valuable tools to further investigate M1 receptor signaling and a proof of concept for photoswitchable allosteric modulators at Class A receptors.
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