Table 2. IS elements identified in genomes of Sf301, MG1655 and EDL933, the virulence plasmid, and pWR501, from S.flexneri 5a.

Name	Length (bp)	No. of ORFs	No. of intact elements					No. of partial elements
			Sf301	K12	0157	pCP301	pW501	Sf301	K12	0157	pCP301	pWR501
IS1	768	2	108	6	2	2	3	9	0	0	1	1
iso-IS1	803	2	0	0	0	0	0	1	0	3	5	5
IS2	1331	2	30	6	1	1	2	5	1	0	2	2
IS3	1258	2	5	5	0	0	0	3	0	2	7	8
IS4	1428	2	18	1	0	1	1	3	0	0	1	2
IS5	1198	1	0	10	0	0	0	0	1	0	0	0
iso-IS10Ra	1329	1	13	0	0	2	0	0	0	0	0	0
IS21	2131	2	0	0	0	0	0	0	0	0	3	3
IS91	1830	1	3	0	0	0	0	2	0	0	6	6
IS100	1963	2	0	0	0	0	0	0	0	0	7	6
IS150	1443	3	0	1	0	0	0	5	0	0	2	2
IS186	1372	1	0	3	0	0	0	0	0	0	0	0
IS600	1264	2	35	0	0	3	2	17	1	6	10	13
IS629	1310	2	10	0	18	8	5	11	0	3	3	9
IS630	1164	1	0	0	0	1	1	0	0	4	2	2
IS911	1250	2	16	0	0	1	1	0	4	0	0	0
IS1294	1714	1	0	0	0	1	2	3	0	0	7	4
ISSfl1	929	1	0	0	0	1	1	0	0	0	2	3
ISSfl2	1374	1	6	0	0	2	2	0	0	0	1	0
ISSfl3	1302	1	0	0	0	1	1	1	0	0	1	1
ISSfl4	2754	3	3	0	0	2	2	7	0	1	2	2
Total			247	32	21	26	23	67	7	19	62	69

^aiso-IS10R is a homolog of IS10R identified in Sf301 in this study.