CGSC Strain#: 5614
Strain Designation: WA921      Source of Strain: W.Arber and W.B.Wood
Sex: F- Chromosomal Markers: thr-1, leuB6(Am), fhuA21, lacY1 or Δ(cod-lacI)6, glnX44(AS), λ^-, metB1, thiE1, hsdS3
Strain Comments:

• leuB6(Am)-- Suppressed by serU suppressor (supH)
• glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
• glnX44(AS) was formerly called su⁺_II
• glnX44(AS) was formerly called supE44
• glnX44(AS) was formerly called glnV44
• thiE1 was formerly called thi-1
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor

References:

• Wood, W.B. 1966. Host specificity of DNA produced by Escherichia coli: bacterial mutations affecting the restriction and modification of DNA. J.Mol.Biol. 16:118-133