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. 2012 Sep 25;7(9):e46130. doi: 10.1371/journal.pone.0046130

Figure 2. Effect of introducing select amino acid substitutions on the secondary structure of elastin-like peptides (ELPs).

Figure 2

(A) CD spectra comparing reference ELP, EP20–24–24, with ELPs containing single and triple G to S substitutions. (B) CD spectra comparing reference ELP, EP20–24–24, with ELPs containing single and double K to R substitutions. Compared to the reference polypeptide, the introduction of the substitutions does not appear to result in any major changes in conformation of these ELPs.