serine,valylglycyl
Serine
143188-45-8L-Serine,L-glutaminyl-L-arginyl-L-arginyl-L-a-aspartyl-L-tryptophyl-L-seryl-L-arginyl-L-alanyl-L-prolyl-L-prolyl-L-prolyl-L-prolyl-L-a-glutamyl-L-a-glutamyl-L-arginyl-L-glutaminyl-L-a-glutamyl-L-threonyl-L-arginyl-