Rice Oligopeptide-91 sh-Polypeptide-1 is a fusion peptide of Oligopeptide-91 and sh-Polypeptide-1 produced by rice plants after using either a transient expression system or transgenesis (stable insertion of a copy of a human gene into its DNA). The fusion peptide contains 167 amino acids and may contain disulfide bonds and/or glycosylation. The protein consists of the proper sequence of the 20 standard amino acids.