Figure 6.
Isoelectric point (pI) of the iMab-EI and the 2 parental antibodies. (A) iMab-EI pI main peak is 8.43; (B) anti-EGFR antibody pI main peak is 7.72; (C) anti-IGF1R pI main peak is 8.24. pI marker peaks 4.22 and 9.77 are schematically shown.
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