9-1-1	Rad 9-Hus 1-Rad 1 complex (fission yeast and human) equivalent to the
complex	Rad 17-Mec3-Ddc1 complex in budding yeast
53BP1	TP53-binding protein 1
aa	amino acid
AND-1-CTF4-	acidic and nucleoplasmic DNA-binding protein-1/Chromosome -
WDHD1	Transmission Fidelity 4/WD repeat and HMG-box DNA-binding protein 1
A-T	ataxia telangiectasia
ATM	ataxia telangiectasia-mutated
ATR	ATM-Rad 3-related protein
ATRIP	ATR interacting protein
BER	base excision repair
BLM	Bloom’s helicase
BRCA1	breast cancer type 1 susceptibility protein
BRCA2	breast cancer type 1 susceptibility protein
CDC	cell division cycle
CDK	cyclin-dependent kinase
CMG	CDC45-MCM2-6-GINS
CST	CTC1-STN1-TEN1
DBD	DNA-binding domain
DNA-PK	DNA-dependent protein kinase
DDR	DNA damage response
DSB	double-strand break
dsDNA	double-stranded DNA
G4	G-quadruplexes
HR	homologous recombination
mt	mitochondrial
MCM	minichromosome maintenance
MDC1	mediator of DNA damage checkpoint protein 1
MMEJ	microhomology-mediated end joining
hPolprim1	human primase-polymerase 1
MMR	mismatch repair
NER	nucleotide excision repair
nt	nucleotide
NTD	N-terminal domain
OB-fold	oligosaccharide/oligonucleotide-binding fold
PCNA	proliferating cell nuclear antigen
PIKK	phosphotnositol-3 kinase-like protein kinase
Pol α	DNA polymerase α–primase
Pol δ	DNA polymerase δ
Pol ε	DNA polymerase ε
POT1	protector of telomeres 1
RAD	radiation-induced mutation
RFC	replication factor C
RFWD3	RING finger and WD repeat
RPA	replication protein A
ROS	reactive oxygen species
SSB	single-stranded DNA-binding protein
ssDNA	single-stranded DNA
S. cerivisiae	Saccheromyces cerevisiae
SV40	simian virus 40
Tp53	tumour suppressor protein p53
TFIIH	transcription factor II H
TIP60	Tat-interactive protein, 60 kD
TopBP1	topoisomerase II-binding protein 1