L-Aspartic acid, L-prolyl-L-prolyl-L-a-glutamyl-L-leucyl-L-seryl-L-a-glutamyl-L-threonyl-L-prol yl-L-glutaminyl-L-alanyl-L-threonyl-L-glutaminyl-L-prolyl-L-a-glutamyl-L-leuc yl-L-alanyl-L-prolyl-L-