Table III

A list of phosphorylated tryptic peptides where phosphorylation site could not be localized by mass spectrometry

The table lists tryptic peptides derived from Frigg where specific phosphorylation sites could not be localized. The residue marked in bold in one of the tryptic peptides corresponds to one of the phosphorylation sites identified by MS/MS (see Table II).

Tryptic peptideNumber of phosphate moietiesa
GTGGSESSRASGLVGR2
AGSLLWMVATSPGR1
DSSPHFQAEQR1
FTYDQDGEPIQTFHFQAPTMATYQVVELR1
  • a Indicates the number of phosphate moieties on tryptic peptides identified by MS.