6AKY:
reference: Structure-Based Design of 1-Heteroaryl-1,3-propanediamine Derivatives as a Novel Series of CC-Chemokine Receptor 5 Antagonists., Peng P, Chen H, Zhu Y, Wang Z, Li J, Luo RH, Wang J, Chen L, Yang LM, Jiang H, Xie X, Wu B, Zheng YT, Liu H, J Med Chem. 2018 Oct 17. doi: 10.1021/acs.jmedchem.8b01077. PMID: 30234300

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