Table I.

SHM frequencies in JH4 introns of GC B cells

	WT	K164R	Ung	K164R × Ung	Msh2	K164R × Msh2
Number of mice	5	5	2	2	3	3
Number of mutated sequences	234	183	76	90	114	90
Total mutations	1,083	563	442	290	216	181
Total bp sequenced	115,695	93,356	39,049	46,008	58,049	45,647
Mutations/bp (%)	0.9 (0.6–1.5)	0.6 (0.4–0.7)	1.1 (1–1.3)	0.6 (0.6–0.7)	0.4 (0.3–0.4)	0.4 (0.3–0.5)