GLP1R and type 2 diabetes mellitus: The human GLP1R (hmGLP1R) is a prime target for drug screening and drug developmentefforts, since GLP-1 receptor agonists (GLP1RAs) have been used for decades for thetreatment of type 2 diabetes and have more recently become some of the mosteffective and widely used weight-loss drugs (Shahand Vella, 2014).