| Component | Amount |
| Milli-Q water | To a final volume of 50 μL |
| Glucosylated DNA from step 6 | 300 ng |
| Tet oxidation reagent 2 | 15 μL |
| Tet oxidation reagent 1 | 3.5 μL (see Note 20) |
| mTet1 protein (5 mg/ ml) | 4 μL (see Note 21) |
| Component | Amount |
| Milli-Q water | To a final volume of 50 μL |
| Glucosylated DNA from step 6 | 300 ng |
| Tet oxidation reagent 2 | 15 μL |
| Tet oxidation reagent 1 | 3.5 μL (see Note 20) |
| mTet1 protein (5 mg/ ml) | 4 μL (see Note 21) |