Table 1.
LC–MS/MS analysis of S-glutathionylation of APE1 by H2O2
| APE1 peptide disulfide bonded to GSH | Cys residuea |
|---|---|
| ICSWNVDGLR | 65 |
| EEAPDILCLQETK | 93 |
| CSENKLPAELQELPGLSHQYWSAPSDK | 99 |
| QCPLK | 138 |
The residue number for the Cys (in boldface) found in each peptide that was disulfide bonded to GSH.