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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Biomaterials. 2017 Sep 17;148:16–30. doi: 10.1016/j.biomaterials.2017.09.017

Fig. 7. PD-L1 trap protein and local expression.

Fig. 7

(A) The schematic of self-assembled trimeric PD-L1 trap from a fusion protein between the PD-1 extracellular domain and the trimerization domain of CMP1. (B) The binding of trimeric ligand at different concentrations to immobilized PD-L1 with an estimated Kd of 219 pM. (C) Transient and local expression of His-tag labeled trap plasmid quantified by His-tag ELISA. Adapted with permission from ref [171]. Copyright (2017) American Chemical Society.