glutathione 1500 – Matrix Labs USA Glutathione (1500 MG) - Sigma
Description
Has its own respiratory effects, including mucus-thinning properties

As they also demonstrated that PKC mediated morphine-induced MOR desensitization, it can be inferred that PKC would phosphorylate MOR at other sites than S363, T370, and S375

Bangaru, S

doi: 10.1097/MBC.0b013e3283570846
