| Bin Number | RBS Motif | RBS Spacer |
| −1 | Non-SD RBS | Variable |
| 0 | No consensus RBS | None |
| 1 | GGA, GAG, AGG | 3 - 4 bp |
| 2 | GGA, GAG, AGG, AGxAG, GGxGG | 13 - 15 bp |
| 3 | AGGA, GGAG, GAGG, AGxAGG, AGGxGG | 13 - 15 bp |
| 4 | AGxAG | 11 - 12 bp |
| 5 | AGxAG | 3 - 4 bp |
| 6 | GGA, GAG, AGG | 11 - 12 bp |
| 7 | GGxGG | 11 - 12 bp |
| 8 | GGxGG | 3 - 4 bp |
| 9 | AGxAG | 5 - 10 bp |
| 10 | AGGAG, GGAGG, AGGAGG | 13 - 15 bp |
| 11 | AGGA, GGAG, GAGG | 3 - 4 bp |
| 12 | AGGA, GGAG, GAGG | 11 - 12 bp |
| 13 | GGA, GAG, AGG | 5 - 10 bp |
| 14 | GGxGG | 5 - 10 bp |
| 15 | AGGA | 5 - 10 bp |
| 16 | GGAG, GAGG | 5 - 10 bp |
| 17 | AGxAGG, AGGxGG | 11 - 12 bp |
| 18 | AGxAGG, AGGxGG | 3 - 4 bp |
| 19 | AGxAGG, AGGxGG | 5 - 10 bp |
| 20 | AGGAG, GGAGG | 11 - 12 bp |
| 21 | AGGAG | 3 - 4 bp |
| 22 | AGGAG | 5 - 10 bp |
| 23 | GGAGG | 3 - 4 bp |
| 24 | GGAGG | 5 - 10 bp |
| 25 | AGGAGG | 11 - 12 bp |
| 26 | AGGAGG | 3 - 4 bp |
| 27 | AGGAGG | 5 - 10 bp |