sh-Oligopeptide-78 Di-(s-Silkworm Hexapeptide-1) Tri-(Pentapeptide-120) is the synthetic peptide consisting of sh-Oligopeptide-78, two repeats of s-Silkworm Hexapeptide-1, and three repeats of Pentapeptide-120. The fusion protein contains 40 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.