120396-89-6 L-Alanyl-L-arginyl-L-arginyl-L-lysyl-L-tryptophyl-L-glutaminyl-L-lysyl-L-threonylglycyl-L-histidyl-L-alanyl-L-valyl-L-arginyl-L-alanyl-L-isoleucylglycyl-L-arginyl-L-leucyl-L-seryl-L-serine L-Serine, L-alanyl-L-arginyl-L-arginyl-L-lysyl-L-tryptophyl-L-glutaminyl-L-lysyl-L-threonylglycyl-L-histidyl-L-alanyl-L-valyl-L-arginyl-L-alanyl-L-isoleucylglycyl-L-arginyl-L-leucyl-L-seryl- RS 20 RS-20