1HWH:
reference: Crystal structure of an antagonist mutant of human growth hormone, G120R, in complex with its receptor at 2.9 A resolution., Sundstrom M, Lundqvist T, Rodin J, Giebel LB, Milligan D, Norstedt G, J Biol Chem 1996 Dec 13;271(50):32197-203. PMID: 8943276

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