Table 1. (CAG)70 Instability on YAC in Srs2 domain mutants.

Strain name	No. colonies analyzed	% Expansions	Fold over wild-type	% Contractions	Fold over wild-type
Wild-type	269	1.1	1.0	2.6	1.0
srs2Δ	231	5.6*	5.1*	6.5*	2.5*
rad51Δ	184	4.9*	4.5*	13.6*	5.2*
srs2-(1-860)	152	5.3*	4.8*	12.5*	4.8*
srs2-(875-902Δ)	162	4.3*	3.6*	9.9*	3.8*
srs2-K41R	201	5.0*	4.5*	9.5*	3.7*
srs2-(1-998)	122	1.6	1.5	3.3	1.3
srs2-3KR	157	1.9	1.7	5.1	2.0
srs2-K41R rad51Δ	174	1.2	1.1	1.7	0.7

*P < 0.05 compared to wild-type using Fisher's Exact Test.