N-terminal N,N-dimethyl-L-prolyl-L-prolyl-L-lysyl(2+) residue
n-terminal n,n-dimethyl-l-prolyl-l-prolyl-l-lysyl(2+) residue
A cationic peptidyl group obtained by protonation of the side-chain amino group of N-terminal <em>N</em>,<em>N</em>-dimethyl-<small>L</small>-prolyl-<small>L</small>-prolyl-<small>L</small>-lysyl residue. Major microspecies at pH 7.3.