Cannabinoid Interactions with Proteins: Insights from Structural Studies.

 “Cannabinoids have been widely used for recreational and medicinal purposes. The increasing legalization of cannabinoid use and the growing success in Medicinal Chemistry of cannabinoids have fueled recent interest in cannabinoid-sensing sites in receptor proteins. Here, we review structural data from high-resolution cryo-EM and crystallography studies that depict phytocannabinoid, endocannabinoid, and synthetic cannabinoid molecules bound to various proteins. The latter include antigen-binding fragment (Fab), cellular retinol binding protein 2 (CRBP2), fatty acid-binding protein 5 (FABP5), peroxisome proliferator-activated receptor γ (PPAR γ), and cannabinoid receptor types 1 and 2 (CB1 and CB2). Cannabinoid-protein complexes reveal the complex design of cannabinoid binding sites that are usually presented by conventional ligand-binding pockets on respective proteins. However, subtle differences in cannabinoid interaction with amino acids within the binding pocket often result in diverse consequences for protein function. The rapid increase in available structural data on cannabinoid-protein interactions will ultimately direct drug design efforts toward rendering highly potent cannabinoid-related pharmacotherapies that are devoid of side effects.”

https://www.ncbi.nlm.nih.gov/pubmed/31332733

https://link.springer.com/chapter/10.1007%2F978-3-030-21737-2_3

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