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. 2017 Aug 22;7:9130. doi: 10.1038/s41598-017-07966-3

Figure 2.

Figure 2

Binding affinity of mbk6 and mbk11 as measured by SPR and ELISA. Panel a and b show the SPR sensorgrams of mbk6 and mbk11, respectively. SPR experiments were performed on a single cycle mode. CD16A was coated onto a CM5 chips and different concentrations of BiKEs was injected. The kinetics constants were obtained by fitting the sensorgrams. Panel c and d show binding to CD16A and gp140sc, respectively, measured by ELISA. 50 ng/well of CD16A-mFc and gp140sc were coated onto costar half area, high binding, polystyrene 96 wells plate and incubated with serially diluted BiKEs for 2 hours at room temperature, after extensive washing by PBS + 0.05% Tween-20, bound BiKEs were detected by using HRP conjugated anti-FALG antibody. Experiments were performed in triplicate and the error bars denote ± SD, n = 3.