TABLE 3.
LC-MS/MS identified N-terminal peptides from complement C3 and EGFR
| Complement C3 | Identified N-terminal peptide sequence | Propionylation (56 Da) | Acetylation (42 Da) | Event annotation |
|---|---|---|---|---|
| Complement C3 | I#PMYSIITPNVLR | 7 | Signal peptide removed | |
| S#VQLMER | 8 | C3 α chain | ||
| S#ELEEDIIPEEDIISR | 1 | C3b α chain | ||
| V#DVPAADLSDQVPDTDSETR | 6 | Trimmed (5AA) C3g fragment | ||
| S#EETK*QNEAFSLTAK | 3 | C3c α chain fragment 2 | ||
| T#DPGHEAK*IR | 3 | Internal cleavage | ||
| EGFR | G#ALEEK*K*VCQGTSNR | 4 | Trimmed proEGFR | |
| A#LEEK*K*VCQGTSNR | 1 | 2 | Signal peptide removed | |
| L#EEK*KVCQGTSNR | 4 | Trimmed |
#, Tagged N-terminal residue by propionylation or acetylation.
*, Propionylation of lysine residues.
EGFR, Epidermal growth factor receptor.