sh-Polypeptide-11 is a single chain recombinant human peptide, produced by fermentation in E. Coli. The starting gene is a synthesized copy of the human gene which codes for Acidic Fibroblast Growth Factor 1 used as such or adapted to the production host. It contains a maximum of 155 amino acids which may contain disulfide bonds and/or glycosylation. The protein consists of the proper sequence of the 20 standard amino acids.

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