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. 2020 Jun 12;85:104419. doi: 10.1016/j.meegid.2020.104419

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Fig. 3 — SPR analysis of interactions of different drugs and SARS-CoV-2 S protein.

(A, B) Representative SPR data for various concentrations of eltrombopag binding to S1 + S2 domain or S2 domain at pH 5.5. (C) Representative SPR data for various concentrations of glycyrrhizic acid binding to S2 domain at pH 5 0.5. RU, resonance units.