5′-dRP	5′-2-deoxyribose-5′-phosphate
6-4PP	Pyrimidine-(6,4)-pyrimidone product
8-oxoG	8-oxo-7,8-dihydroguanine
Abasic site	Apurinic/apyrimidinic site or AP site
AD	Alzheimer’s disease
APE1	AP endonuclease 1
BER	Base excision repair
cdA	5′,8-cyclo-2′-deoxyadenosine
cdG	5′,8-cyclo-2′-deoxyguanosine
CPD	Cyclobutane pyrimidine dimer
CSB	Cockayne syndrome B
dL	2-deoxyribonolactone
DPCs	DNA–protein crosslinks
FEN1	Flap endonuclease 1
GG-NER	Global genome NER
Gh	Guanidinohydantoin
HR23B	Human RAD23 homolog B
ICL	Interstrand crosslink
MBD4	Methyl-binding domain glycosylase 4
MPG	Methylpurine glycosylase
MYH	MutY homolog DNA glycosylase
NEIL1	Endonuclease VIII-like glycosylase
NER	Nucleotide excision repair
NTH1	Endonuclease III-like glycosylase
OGG1	8-oxoguanine DNA glycosylase
PCNA	Proliferating cell nuclear antigen
Polβ	DNA polymerase β
RNAPII	RNA polymerase II
ROS	Reactive oxygen species
SMUG1	Single-strand-specific monofunctional uracil DNA glycosylase
Sp	Spiroiminodihydantoin
TC-NER	Transcription-coupled NER
TDG	Thymine DNA glycosylase
TFIIH	Transcription Factor II H; complexed with the XPB and XPD helicases
TTD	Trichothiodystrophy
UNG	Uracil-N glycosylase
UV-DDB	UV-damaged DNA binding protein; a heterodimeric complex with DDB1 and DDB2
XPC	Xeroderma pigmentosum C
XRCC1	X-ray repair cross-complementing protein 1