s-Centipede Decapeptide-1 is a single chain protein synthetically produced based on a sequence from Kappa-scoloptoxin-Ssm2e which is found in the centipede, Scolopendra mutilans. Kappa-scoloptoxin-Ssm2e contains 98 amino acids which may contain disulfide bonds and/or glycosylation, and consists of the proper sequence of the 20 amino acids.