L-Leucine, N-(N-(N-(N-(1-(N-(N-(N-(N-(N-(N-L-asparaginylglycyl)-L-alpha-aspartyl)-L-phenylalanyl)-L-alpha-glutamyl)-L-alpha-glutamyl)-L-isoleucyl)-L-prolyl)-L-alpha-glutamyl)-L-alpha-glutamyl)-O-sulfo-L-tyrosyl)-