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Table 1 General features of the Shigella genomes compared with the genome of E. coli K12 MG1655

From: Complete genome sequence of Shigella flexneri 5b and comparison with Shigella flexneri 2a

Chromosome MG1655* Sd197† Sf301† Sf8401 Sb227† Ss046†
Total length (bp) 4,639,675 4,369,232 4,607,203 4,574,284 4,519,823 4,825,265
No. of total ORFs 4,254 4,557 4,434 4,316 4,353 4,434
No. of pseudogenes 12 285 254 198 217 210
Percentage of CDS (%) 87.3 77.2 80.4 80.8 80.5 80.5
G+C content (%) 50.79 51.25 50.89 50.92 51.21 51.01
No. of 16S/23S/5S 7/7/8 7/7/8 7/7/8 7/7/8 7/7/8 7/7/8
No. transfer RNA 86 85 97 97 91 97
IS elements (percentage) 44 (1%) 623 (12%) 314 (7%) 278 (6.3%) 403 (9%) 394 (8%)
  1. * Data are obtained from a recently updated version of U00096.
  2. † Data are obtained from ref.[14].