sr-Mussel Polypeptide-3 is a single chain recombinant mussel peptide, produced by fermentation in Pichia pastoris or E. coli. The starting gene is synthesized to be identical to the gene which codes for Foot Protein-6 derived from mussel. The parent protein contains a maximum of 122 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 standard amino acids.