sh-Polypeptide-2 sr-Egyptian Scorpion Oligopeptide-1 is a single chain fusion peptide, produced by fermentation in E. coli. The starting gene is synthesized by the fusion of the gene from sh-Polypeptide-2 and sr-Egyptian Scorpion Oligopeptide-1. The fusion peptide contains 141 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.