Table 2. The XRCC genes were involved in molecular function.

GO: MF	Description	P
GO:0140097	Catalytic activity, acting on DNA	2.35E-07
GO:0003684	Damaged DNA binding	3.37E-07
GO:0008094	DNA-dependent ATPase activity	3.37E-07
GO:0003677	DNA binding	6.46E-05
GO:0000150	Recombinase activity	0.0001
GO:0003690	Double-stranded DNA binding	0.0001
GO:0008022	Protein C-terminus binding	0.00044
GO:0005524	ATP binding	0.00074
GO:0042162	Telomeric DNA binding	0.00074
GO:0003678	DNA helicase activity	0.00078
GO:0008144	Drug binding	0.00088
GO:0003697	Single-stranded DNA binding	0.0019
GO:0016787	Hydrolase activity	0.003

XRCC, X-ray repair of cross-complementary; GO, Gene Ontology; MF, molecular function.