Article
Cysteine 2.59(89) in the second transmembrane domain of human CB2 receptor is accessible within the ligand binding crevice: evidence for possible CB2 deviation from a rhodopsin template.
Molecular pharmacology - 1 Jul 2005
Zhang Rundong, Hurst Dow P, Barnett-Norris Judy, Reggio Patricia H, Song Zhao-Hui
Abstract excerpt
In this study, the sensitivity of the CB2 receptor to methanethiosulfonate (MTS) derivatives was tested, and a native cysteine residue conferring the sensitivity was identified. By incubating human embryonic kidney 293 cells stably transfected with CB2 receptors and MTS derivatives such as MTS ethylammonium (MTSEA), [(3)H]HU-243 binding was inhibited. Pretreatment of the CB2 receptor with cannabinoid ligands...
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