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. 2020 Jun 5;25(11):2634. doi: 10.3390/molecules25112634

Figure 5.

Figure 5

13C CP/MAS NMR spectra of 13C successively triple-labeled 47-mer peptides incorporated as the [2-13C]Gly [3-13C]Ala[1-13C]Gly motif in different positions (Table 1 (II)): (a) non-labeled 47-mer peptides (Sample 1), (b) [2-13C]Gly12[3-13C]Ala13 [1-13C]Gly14 motif (Sample 8), (c) [2-13C]Gly25[3-13C]Ala26[1-13C]Gly27 motif (Sample 9), and (d) [2-13C]Gly35[3-13C]Ala36 [1-13C]Gly37 motif (Sample 10) [62]. The asterisk,* shows one of the natural abundance Ala Cβ, Cα, and C = O peaks of two (Ala)6 sequences in the 47-mer peptides.