| 4GPO: reference: Crystal structure of oligomeric beta1-adrenergic G protein-coupled receptors in ligand-free basal state., Huang J, Chen S, Zhang JJ, Huang XY, Nat Struct Mol Biol. 2013 Apr;20(4):419-25. doi: 10.1038/nsmb.2504. Epub 2013 Feb, 24. PMID: 23435379 |
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