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Design and characterization of IBI322. a The schematic diagram of IBI322. b SEC-HPLC purity of IBI322 after two-step purification. c, d Association and dissociation of IBI322 to hPD-L1 and hCD47. e Affinity of IBI322 to RBCs. f Affinity of IBI322 to CHO-hPD-L1 cells
