| Component | Amount (μL) | Final concentration |
| DNA from step 47 | 12 | - |
| NEB 2X quick ligation buffer | 15 | 1X |
| Illumina index adapters (60 μM) | 1 | 2 μM |
| NEB quick ligase | 2 | |
| Total | 30 |
| Component | Amount (μL) | Final concentration |
| DNA from step 47 | 12 | - |
| NEB 2X quick ligation buffer | 15 | 1X |
| Illumina index adapters (60 μM) | 1 | 2 μM |
| NEB quick ligase | 2 | |
| Total | 30 |