Base Excision Repair (BER) PARP1, PARP2, NEIL and XRCC1
Nucleotide Excision Repair (NER) RPA, XPA, XPC, TFIIH, XPG and XPF-ERCC1
Alternative Excision Repair (AER)  
Coupled Nucleotide Excision Repair Transcription (TC-NER) ERCC6
Mismatch Repair (MMR) MSH2 and MSH3
Translesion synthesis (TLS) DNA polymerase kappa
Nonhomologous End Joining (NHEJ) XRCC4 XRCC5
Homologous recombinational Repair (HRR) BRCA1, BRCA2 and RAD 51
Cell Cycle Checkpoint Control p53
Apoptosis Caspases and Bcl-2 family
Table 1: The main cellular responses to DNA damage and the principle proteins associated.