Table 3.

Dansylated peptides

Mass		ΔMass	Amino acids	Expected peptide
Measured	Calculated
Da		Da
1989.088	1989.087	0.001	148–161	K↓HVPQLRIVEQPVEK↓F + DCA (Gln)
1693.785	1693.788	−0.003	209–220	F↓QTNLDSPHSHQL↓V + DCA (Gln)
1240.607	1240.610	−0.003	272–278	R↓LVFQMNR↓R + DCA (Gln), oxidation (Met)
2045.978	2045.970	0.008	285–295	K↓QLQELHQETER↓E + 2 DCA (Gln)
1306.615	1306.616	−0.002	299–306	K↓DMNLNQVR↓L + DCA (Gln)