Table 3.

Suppressor mutations in the priA gene, arising in ΔradD ΔrecG (EAW 522) or ΔradD recG^– (EAW 368) strains.

Mutation	PriA substitution
Suppressors of ΔradD recG
832 T→G	S278A
1136 G→C	R379P
2182 G→T	D728Y
1558 G→C	A520P**
1470 A→G	T491A
CGCTGG	IN W689(RW)*
Suppressors of ΔradD ΔrecG
1286 G→C	G429A
1861 G→C	A621P
904 G→A	G302F
1480 C→T	L494F
1558 G→C	A520P**

^*Insertion of two new codons encoding RW, after codon 689. Note that this is a new repetition of codons 686-687 and 688-689, which encode a tandem repeat of the sequence RW (i.e., RWRW→RWRWRW).

^**Mutation also found previously in response to recG deficiency (Al Deib et al., 1996).