L-Lysine, L-a-glutamyl-L-cysteinyl-L-phenylalanyl-L-a-aspartyl-L-leucyl-L-leucyl-L-val yl-L-arginyl-L-seryl-L-tryptophyl-L-valyl-L-prolyl-L-cysteinyl-L-tyrosyl-L-seryl-L -leucyl-