Description: sh-polypeptide-123 is a single chain recombinant human peptide, produced by fermentation in pichia pastoris. the starting gene is synthesized to be similar to the human gene which codes for collagen alpha-1 (iii) chain used as such or adapted to the production host. it contains a maximum of 1466 amino acids which may contain disulfide bonds and/or glycosylation. the protein consists of the proper sequence of all or part of the 20 standard amino acids.