Start End Size(bp) No._of_ORFs No._of_homologs_of_PAI-virulence_genes PAIs_homologous_to_this_region 2025221 2072025 46805 34 10 PAI IV 536 (Escherichia coli 536) PAI IV APEC-O1 (Escherichia coli APEC O1) HPI (Yersinia enterocolitica WA 314) HPI (Yersinia pestis 6/69) HPI (Yersinia pestis CO92) HPI (Yersinia pestis KIM) HPI (Yersinia pestis biovar Medievalis str. 91001) HPI (Yersinia pseudotuberculosis IP32953) HPI (Yersinia enterocolitica 8081) 2081554 2118277 36724 42 11 LEE (Escherichia coli 12009) AGI-3 (Escherichia coli BEN2908) PAI II CFT073 (Escherichia coli CFT073) PAI-I AL862 (Escherichia coli AL862) PAI IV APEC-O1 (Escherichia coli APEC O1) SRL (Shigella flexneri YSH6000) 3098250 3148656 50407 47 24 PAI I APEC-O1 (Escherichia coli APEC O1) PAI I APEC-O1 (Escherichia coli APEC O1) LEE (Escherichia coli 12009) PAI V 536 (Escherichia coli 536) SHI-1 (Shigella flexneri YSH6000T) SHI-1 (Shigella flexneri 2a str. 301) 4657465 4671636 14172 16 5 TAI (Escherichia coli O157:H7 EDL933) TAI (Escherichia coli O157:H7 EDL933) PAI V 536 (Escherichia coli 536) PAI I CFT073 (Escherichia coli CFT073) PAI-I AL862 (Escherichia coli AL862) Not named (Escherichia coli UMN026) 4676906 4695767 18862 21 5 PAI I APEC-O1 (Escherichia coli APEC O1) LEE (Escherichia coli RW1374) LEE (Escherichia coli 12009) PAI II 536 (Escherichia coli 536) TAI (Escherichia coli O157:H7 EDL933) TAI (Escherichia coli O157:H7 EDL933) PAI I CFT073 (Escherichia coli CFT073) PAI II CFT073 (Escherichia coli CFT073) PAI II CFT073 (Escherichia coli CFT073) SRL (Shigella flexneri YSH6000) 4810352 4819416 9065 10 9 PAI I APEC-O1 (Escherichia coli APEC O1) PAI I APEC-O1 (Escherichia coli APEC O1) PAI II 536 (Escherichia coli 536) PAI V 536 (Escherichia coli 536) PAI I CFT073 (Escherichia coli CFT073) PAI II CFT073 (Escherichia coli CFT073) PAI II CFT073 (Escherichia coli CFT073) Not named (Escherichia coli UMN026) 4840698 4855543 14846 13 10 Not named (Escherichia coli UMN026) SHI-2 (Shigella flexneri M90T) SHI-2 (Shigella flexneri 2a str. 301) SHI-2 (Shigella flexneri 2a str. 2457T) SHI-3 (Shigella boydii 0-1392)