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A computationally designed water-soluble variant of a G-protein-coupled receptor: the human mu opioid receptor.

Plos One. 2013 Jan 1;8(6):e66009.
Comparative Study

Comparative modeling and molecular dynamics studies of the delta, kappa and mu opioid receptors.

Protein Eng. 1997 Sep 1;10(9):1019-38.
Review

Biased ligands at G-protein-coupled receptors: promise and progress.

Trends Pharmacol. Sci. 2014 Jul 1;35(7):308-16.