L-Alanine, L-a-aspartyl-L-threonyl-L-a-glutamyl-L-leucyl-L-prolyl-L-prolyl-L-leucyl-L-lys yl-L-leucyl-L-methionyl-L-histidyl-L-seryl-L-phenylalanyl-L-cysteinyl-L-alanyl- L-phenylalanyl-L-lysyl-