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. 2022 Aug 10;13:926650. doi: 10.3389/fimmu.2022.926650

Figure 4.

Figure 4

I-Ag7 binding pocket 9 and optimal limits of the 6.3HIP antigen. (A) Determination of 6.3HIP residue occupying p9 of I-Ag7. IFN-γ ELISA assays of T cell clones BDC-6.3 and PD12-4.4 stimulated with 6.3HIP1-14 antigen compared to 6.3HIP substituted with 12D>R or 10D>R. (B) Response to C-terminal truncations of the 6.3HIP. IFN-γ production by BDC-6.3 and PD12-4.4 in response antigens 6.3HIP, 6.3HIP1-11 and 6.3HIP1-10. (C) Limits of the 6.3HIP epitope N-terminus. IFN-γ production by BDC-6.3 and PD12-4.4 in response to peptides 6.3HIP. 6.3HIP-1-14, and 6.3HIP2-14. Blue = B:9-23 sequence, red italics = ProSAAS sequence. Representative data from 4 experiments (A), 6 experiments (B), and 4 experiments (C) shown as ng/ml IFN-γ.