L-Tyrosine, L-prolyl-L-arginyl-L-alpha-aspartyl-L-alanylglycyl-L-seryl-L-glutaminyl-L-arginyl-L-prolyl-L-arginyl-L-lysyl-L-lysyl-L-alpha-glutamyl-L-alpha-aspartyl-L-asparaginyl-L-valyl-L-leucyl-L-valyl-L-.a(+-)-