Oligodeoxyribonucleotides 4 article 4 oligodeoxyribonucleotide 7 aminodactinomycin 2 7-aminoactinomycin D 2 ATM 2 ATM protein 2 ATR 2 ATR protein 2 ATR protein, human 2 Antibiotics, Antineoplastic 2 Base Pairing 2 Blotting, Northern 2 Blotting, Western 2 Cell Cycle Proteins 2 Cell Line 2 Crystallization 2 Crystallography, X-Ray 2 Cyclin E 2 DNA Damage 2 DNA damage 2 DNA damage response 2 Dactinomycin 2 E2F1 2 E2F1 Transcription Factor 2 Electron Spin Resonance Spectroscopy 2 Genotoxic stress 2 Humans 2 Models, Molecular 2 Northern blotting 2