L-Arginine, L-leucyl-L-a-aspartyl-L-threonyl-L-valyl-L-a-aspartyl-L-a-aspartyl-L-alanyl-L -threonyl-L-methionyl-L-threonyl-L-leucyl-L-seryl-L-tyrosyl-L-threonyl-L-valyl- L-valyl-L-a-glutamylglycyl-