| Name | Mutations | Genotype |
|---|
| NF161 | 5 | F-, λ-, argA52, spoT1, metB1, λR? |
| CCMB1007 | 6 | F-, λ-?, zfi-905::Tn10, argA52, spoT1, metB1, lyt-1(ts) |
| NF162 | 6 | F-, λ-, relA1, argA52, spoT1, metB1, λR? |
| CCMB1008 | 7 | F-, λ-?, zfi-905::Tn10, relA1, argA52, spoT1, metB1, lyt-1(ts) |
| N2020 | 7 | F-, lacZ8(Am), trpA36, glyA34, argA52, rpsL999(strR), rnpA49(ts), ilvG866(Act) |
| CS130 | 11 | F-, thr-1, araC14, leuB6(Am), lacZ125(Am), hisC3, metG155, metG146?, relA1, argA52, rpsL8 or rpsL25(strR), thiE1 |
| PA2-18 | 12 | F-, fhuA2::IS2, lacY1, glnX44(AS)?, nadA19, gal-6, λ-, argA52, rpsL185(strR), malT1(λR), xyl-7, mtlA2, thiE1 |
| BD1838 | 14 | F-, fhuA2::IS2, lacY1, glnX44(AS), gal-6, λ-, pyrD67, trp-82, tyrS600, his-214, argA52, rpsL185(strR), xyl-7, mtlA2, thiE1 |
| PA2-11A | 14 | F-, fhuA2::IS2, lacY1, glnX44(AS), gal-6, λ-, hns-1, relB101, pheA7, argA52, rpsL185(strR), malT1(λR), xyl-7, mtlA2, thiE1 |
