4ZQK: Structure Of The Complex Of Human Programmed Death-1 (Pd-1) Ligand Pd-L1.
reference: Structure of the Complex of Human Programmed Death 1, PD-1, and Its Ligand PD-L1., Zak KM, Kitel R, Przetocka S, Golik P, Guzik K, Musielak B, Domling A, Dubin G, Holak TA, Structure. 2015 Oct 22. pii: S0969-2126(15)00402-5. doi:, 10.1016/j.str.2015.09.010. PMID: 26602187

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