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. 2018 Jul 4;8:10078. doi: 10.1038/s41598-018-28441-7

Figure 3.

Figure 3

Expanded 2D plots (A) and (C) of 1H-15N HSQC TROSY type spectra of the complex 5N/13C labelled NS3-NS2Bpro with Bz-Nle-Lys-Arg-Arg-B(OH)2, showing one bond 1H-15N correlation with corresponding 1D 1H spectrum presented on top (B) and (D) of the 2D spectra. In expansion (A) amide cross peak of amino acid K84 at 11.396/127.85ppm is shown as reference. Cross peak at 15.587/178.7ppm is assigned to the Nε2H of His51. In expansion (C) cross peak at 19.772/207.6ppm is assigned to the Nδ1H of His51 of the other form.