3D48:
reference: Crystal structure of a prolactin receptor antagonist bound to the extracellular domain of the prolactin receptor., Svensson LA, Bondensgaard K, Norskov-Lauritsen L, Christensen L, Becker P, Andersen MD, Maltesen MJ, Rand KD, Breinholt J, J Biol Chem. 2008 May 8;. PMID: 18467331

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