Description: rice sh-oligopeptide-1 is a single chain recombinant human peptide, produced by rice, oryza sativa, after after using either a transient expression system or transgenesis (stable insertion of a copy of a human gene into its dna). the starting gene is synthesized to be identical to the human gene which codes for epidermal growth factor. it contains a maximum of 53 amino acids, which may contain disulfide bonds and/or glycosylation. the protein consists of the proper sequence of the 20 standard amino acids.