TABLE 3.

Comparison of the fully sequenced ExPEC strains

Strain	Chromosome size (bp)	Plasmid size(s) (kb)	Content of APEC O1 ORFs (%)
APEC O1	5,082,025	240, 174,106, 47	100
UPEC UTI89	5,065,741	114	93
UPEC CFT073	5,231,428		90
UPEC 536	4,938,875		87
ExPECa	3,942,842	NAb	86
E. coli K-12 MG1655	4,639,221		78

^aAll completely sequenced ExPEC strains.

^bNA, not applicable.