Fig. 2 | Polymer Journal

Fig. 2

From: Periodic introduction of aromatic units in polypeptides via chemoenzymatic polymerization to yield specific secondary structures with high thermal stability

Fig. 2

IR spectra of Abz-containing polypeptides obtained by the copolymerization of a Gly and GlyAbzGly esters and b Ala and AlaAbzAla esters with different feed ratios. A broken line indicates the amide I peak of polyGly or polyAla assignable to α-helix or β-sheet structure, respectively. Arrows indicate the peaks derived from C=C stretching and C–H bending vibration modes of aromatic rings

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