L-Aspartic acid, L-arginylglycyl-L-leucyl-L-a-aspartyl-L-valyl-L-seryl-L-valyl-L-isoleucyl-L-prol yl-L-threonyl-L-serylglycyl-L-a-aspartyl-L-valyl-L-valyl-L-valyl-L-valyl-L-alanyl- L-threonyl-