N-terminal N-acetyl-L-aspartyl-L-aspartyl-L-aspartyl(3-) residue
n-terminal n-acetyl-l-aspartyl-l-aspartyl-l-aspartyl(3-) residue
N-terminal <em>N</em>-acetyl-<small>L</small>-Asp-<small>L</small>-Asp-<small>L</small>-Asp residue