Table 2.

Relative proportions of point mutations in the spectra displayed in Fig. 3

Sample	G:C→T:A, %	G:C→C:G, %	G:C→A:T, %	A:T→T:A, %	A:T→G:C, %	A:T→C:G, %	G:C→T:A in 5′-CGC-3′ sites,* %
A-10	69	12	13	2	2	2	25
D-10	36	32	13	5	7	7	2
A-72H	59	13	23	3	2	0	25
A-72T	41	21	24	6	4	4	5
D-72	32	28	20	9	8	3	1

^*The underlined G is the position of the mutation.