L-Leucine, L-arginyl-L-a-aspartyl-L-seryl-L-glutaminyl-L-leucyl-L-arginyl-L-asparaginyl- L-leucyl-L-a-glutamyl-L-lysyl-L-a-glutamyl-L-lysyl-L-a-glutamyl-L-glutaminyl- L-a-glutamyl-