| Name | Mutations | Genotype | 
|---|
| FRAG-1 | 5 | F-, lacZ82(Am), λ-, rha-4, thiE1, gal-33 | 
| FRAG-5 | 6 | F-, lacZ82(Am), Δ(kdpC-kdpA)18, λ-, rha-4, thiE1, gal-33 | 
| TK110 | 7 | F-, lacZ82(Am), Δ(kdpC-kdpA)18, λ-, kefB110, rha-4, thiE1, gal-33 | 
| TK121 | 7 | F-, kefC121, lacZ82(Am), Δ(kdpC-kdpA)18, λ-, rha-4, thiE1, gal-33 | 
| TK133 | 7 | F-, lacZ82(Am), Δ(kdpC-kdpA)18, λ-, trkA133, rha-4, thiE1, gal-33 | 
| PG201 | 8 | F-, lacZ82(Am), Δ(kdpC-kdpA)18, λ-, kefB20::Tn10 or zhe-2200::Tn10, kefB110?, rha-4, thiE1, gal-33 | 
| TK142 | 8 | F-, lacZ82(Am), Δ(kdpC-kdpA)18, λ-, trkE-142, malA135, rha-4, thiE1, gal-33 | 
| TK401 | 8 | F-, lacZ82(Am), Δ(kdpC-kdpA)18, λ-, trkA401, kup-1, rha-4, thiE1, gal-33 |