TABLE 2.

Fork direction analyses to the left of ARS310

ARS310 derivative	Mean % of forksa ± SD
WT	88 ± 1
B− mutant	83 ± 1
C− mutant	78 ± 4
B−C− double mutant	24 ± 5
B−C−E− triple mutant	10 ± 4
Deletion mutant	15

^aComing from the right, the direction of ARS310.