TABLE 1.
Plasmids used in this study
| Plasmid | Description | Reference |
|---|---|---|
| pKB1 | Derivative of pOR19; λ lysis gene region (Sam7) cloned as HindIII/ClaI fragment (λ nta 4141–46440) | 22 |
| pKB110 | Derivative of pOR19; λ lysis gene region cloned as HindIII/ClaI fragment (λ nt 4141–46440) | 9 |
| pS105 | S with M1L mutation (ATG→CTG); bears S105 only | 30 |
| pS107 | S with M3L mutation (ATG→CTG); bears S107 only | This study |
| pS105τ94 | Insertion (G2H6G2) after codon F94 in S105 | 30 |
| pS105A52G | S105 with A52G mutation (GCC→GGC) | 31 |
| pS105C51S | S105 with C51S mutation (TGC→AGC) | 17 |
| pSC51S | S with C51S mutation (TGC→AGC) | This study |
| pSA52G | S with A52G mutation (GCC→GGC) | This study |
| pS107C51S | S107 with C51S mutation (TGC→AGC) | This study |
| pS107A52G | S107 with A52G mutation (GCC→GGC) | This study |
a
nt, nucleotides.