Table 2.

Summary of molecules involved in DNA damage and frequencies of their mutations.

Genes	Walker et al. (n = 463)	Lohr et al. (n = 203)	Bolli et al. (n = 67)	Chapman et al. (n = 38)	∗Cifola et al. (n = 12)
ATM	18 (3%)	8 (3.9%)	2 (3%)	1 (2.6%)	4 (34%)
ATR	6 (1.3%)	2 (1%)	1 (1.5%)	0	3 (25%)
XRCC4	0	0	1 (1.5%)	0	0
RNF168	0	2 (1%)	2 (3%)	1 (2.6%)	0
BRCA1/2	0	2 (1%)	1 (1.5%)	1 (2.6%)	2 (34%)

^∗Plasma cell leukemias.