Table 1.

Summary of Sequenced Tn7 Insertions

Chromosome	Size (kb)	Sequenced insertions	Genes affected
I	230	167	50
II	813	560	170
III	316	258	94
IV	1,554	961	308
V	577	472	149
VI	271	179	58
VII	1,091	843	240
VIII	589	339	128
IX	440	309	98
X	745	519	161
XI	666	350	120
XII	2,352	1,441	252
XIII	924	659	215
XIV	784	530	171
XV	1,091	764	207
XVI	948	681	192
Total (I-XVI)	13,392	9,032	2,613