| Name | Mutations | Genotype | 
|---|
| Hfr Reeves 4 | 4 | Hfr(PO100), argF58, relA1, spoT1, metB1 | 
| R4-5 | 5 | Hfr(PO100), argF58, relA1, spoT1, metB1, aceA1 | 
| SA4 | 5 | Hfr(PO100), argF58, upp-1, relA1, metB1, deoD24 | 
| H786 | 6 | Hfr(PO100), carB671, argF58, purM48, relA1, spoT1, metB1 | 
| H1238 | 7 | Hfr(PO100), thr-25, fhuA49, argF58, relA1, spoT1, purA54, argI61 | 
| SA53 | 7 | Hfr(PO100), argF58, upp-1, relA1, spoT1, udp-1, metB1, deoA22 | 
| PC0950 | 8 | Hfr(PO100), thr-25, fhuA49, argF58, relA1, spoT1, purA54, argI61, serB28 | 
| PC1523 | 8 | Hfr(PO100), thr-25, fhuA49, argF58, relA1, serA27, spoT1, purA54, argI61 | 
| H1230 | 9 | Hfr(PO100), thr-20, leu-32, fhuA48, proA35, argF58, λ-, relA1, spoT1, argI60 | 
| H1182 | 12 | F-, thr-20, leu-32, fhuA48, proA35, argF58, lacY1, tsx-70, glnX44(AS), gal-6, λ-, rpsL125(strR), argI60 | 
| H1175 | 15 | F-, leu-32, fhuA48, proA35, argF58, lacY1, tsx-70, glnX44(AS)?, gal-6, λ-, rpsL125(strR), malT1(λR), xyl-7, mtlA2, purA45, argI60 |