Description: sh-polypeptide-121 is a single chain recombinant human peptide, produced by fermentation in e. coli. the starting gene is synthesized to be identical to the human gene which codes for collagen alpha-1(xxi) chain used such or adapted to the production host. it contains a maximum of 957 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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