TABLE 3.
Properties of the csg genes and surrounding open reading frames
| Gene or region | % G+C content (S. typhimurium/ E. coli) | Sequence identity (%)a | Amino identity/ similarity (%)a | KS |
|---|---|---|---|---|
| ORF179ab | 52.2/54.1 | 75.7 | 86.6/92.5 | NDe |
| csg operon | 43.5/43.2 | 77.6 | ||
| csgG | 49.0/50.1 | 83.4 | 96.0/99.3 | 1.065 |
| csgF | 44.6/42.4 | 81.0 | 89.9/94.2 | 1.018 |
| csgE | 44.4/43.1 | 80.8 | 91.4/96.9 | 1.496 |
| csgD | 40.7/41.8 | 81.1 | 92.1/95.8 | 1.155 |
| Intergenic region | 33.7c/34.4 | 73.0c | ||
| 30.6d/32.2 | 70.6d | |||
| csgB | 43.4/41.8 | 82.9 | 82.1/90.7 | 0.564 |
| csgA | 51.5/50.1 | 73.2 | 74.8/86.1 | 1.021 |
| csgC | 45.0/42.6 | 71.9 | 73.1/87.0 | 1.263 |
| ORF103b | 47.7/43.6 | 45.2 | 39.4/57.6 | ND |
a
Between S. typhimurium SR-11 and E. coli MG1655.
b
Nomenclature and sequence from E. coli MG1655 and W3110; EMBL files with accession no. ecae205 and ecae206 and ecd740 to ecd742 were used.
c
Sequence between the translational start sites of csgD and csgB.
d
Sequence between the transcriptional start sites of csgD and csgB.
e
ND, not determined.