L-Glutamic acid, L-leucyl-L-tryptophyl-L-isoleucyl-L-tyrosyl-L-histidyl-L-leucyl-L-threonyl-L-a- glutamylglycyl-L-seryl-L-threonyl-L-a-aspartyl-L-leucyl-L-arginyl-L-serylglyc yl-