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. 2014 Mar 31;30(15):4406–4414. doi: 10.1021/la403559t

Figure 2.

Figure 2

(a) Molecular design and construction of the recombinant S4E8G protein polymers consisting of tandemly repeated elastin-like pentapeptide sequence GVGVP and silk-like hexapeptide sequence GAGAGS. The trigger temperatures for thermal response of the Au-S4E8G NPs were genetically engineered to between 50 and 60 °C (b). Identity (b) and purity of the recombinant S4E8Gs, containing four different numbers of silk-elastin-like repeats: 3-, 8-, 13-, and 18-mer, were characterized by mass spectrometry and (c) SDS-PAGE.