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The amino acid sequence of SELP analogues: (A) SELP-47K (molecular weight: 69,814 Da) and (B) SELP-415K (molecular weight: 71,500 Da). Polymer analogs were composed of head and tail portions and a series of silk (GAGAGS) and elastin-like (GVGVP) repeats with the primary repetitive sequences in bold, and positively charged amino acids (at pH 7.4) highlighted in gray.
