| BER | base excision repair; |
| NER | nucleotide excision repair; |
| 8-oxoG | 8-oxo-7,8-dihydroguanine; |
| 2Ih | 5-carboxamido-5-formamido-2-iminohydantoin; |
| Sp | spiroiminodihydantoin; |
| Gh | 5-guanidinohydantoin; |
| Ia | iminoallantoin; |
| B[a]P-dG | 10R-(+)-cis-anti-B[a]PDE-N2-dG adduct; |
| G•+ | guanine radical cation; |
| G(-H)• | guanine neutral radical; |
| bp | base pair. |