Leukokinin I

Glycinamide,L-a-aspartyl-L-prolyl-L-alanyl-L-phenylalanyl-L-asparaginyl-L-seryl-L-tryptophyl-

L-alpha-Aspartyl-L-prolyl-L-alanyl-L-phenylalanyl-L-asparaginyl-L-seryl-L-tryptophyl-glycinamide