N-terminal N-methyl-L-alanyl-L-prolyl-L-lysyl(2+) residue
n-terminal n-methyl-l-alanyl-l-prolyl-l-lysyl(2+) residue
A cationic peptidyl group obtained by protonation of the two amino groups of N-terminal <em>N</em>-methyl-<small>L</small>-alanyl-<small>L</small>-prolyl-<small>L</small>-lysinyl residue; major species at pH 7.3.