From: Deciphering chemotaxis pathways using cross species comparisons
 | By operons | By species | ||||
---|---|---|---|---|---|---|
Rank | Operon | Number of operons | Relative frequency (%) | Operon | Number of species | Relative frequency (%) |
1 | Y | 708 | 49.9 | Y | 170 | 82.5 |
2 | W | 128 | 9.0 | ABRWY | 105 | 51.0 |
3 | ABRWY | 121 | 8.5 | W | 83 | 40.3 |
4 | R | 85 | 6.0 | R | 80 | 38.8 |
5 | ABWY | 63 | 4.4 | ABWY | 60 | 29.1 |
6 | AWY | 30 | 2.1 | AWY | 28 | 13.6 |
7 | WY | 29 | 2.0 | WY | 25 | 12.1 |
8 | BW | 27 | 1.9 | BW | 25 | 12.1 |
9 | AY | 26 | 1.8 | ABRY | 25 | 12.1 |
10 | ABRY | 25 | 1.8 | AW | 24 | 11.7 |