L-Leucine, glycyl-L-phenylalanyl-L-tryptophylglycyl-L-lysyl-L-leucyl-L-phenylalanyl-L-lys yl-L-leucylglycyl-L-leucyl-L-histidylglycyl-L-isoleucylglycyl-L-leucyl-L-leucyl-L -histidyl-L-leucyl-L-hist