sh-Oligopeptide-34 SP is a single chain human peptide produced synthetically to be identical to a portion of the protein, Forkhead Box Protein O4, and contains 11 amino acids consisting of alanine, arginine, asparagine, glutamine, glycine, serine, and tryptophan. Forkhead Box Protein O4 contains a maximum of 505 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence from the 20 standard amino acids.