Figure 6 of
Han, Mol Vis 2004;
Figure 6. Tandem mass spectrum of a tryptic peptide of doubly charged ion at m/z 606.6
This peptide was assigned to residues 229-238, SEVERLS*ILK with serine 235 being phosphorylated. Ions labeled with an asterisk ("*") denote a neutral loss of phosphoric acid.