| Original PTM site ID | Peptide sequence | Detection rate in Tumor | Detection rate in Normal |
|---|---|---|---|
| ERBB2:NP_001276866.1:S998 | IQNEDLGPAsPLDSTFYR | 18/83 | 6/20 |
| ERBB2:NP_001276866.1:S998.1 | QNEDLGPAsPLDSTFYR | 7/83 | 2/20 |
| ERBB2:NP_001276866.1:S998.2 | FVVIQNEDLGPAsPLDSTFYR | 6/83 | 2/20 |