CGSC Strain#: 5628
Strain Designation: MI183a      Source of Strain: M. Iaccarino
Sex: F- Chromosomal Markers: ilvH611, secA206(aziR), fhuA23, lacZ36, proC32, tsx-67, purE42, glnX44(AS), λ^-, trpE38, lysA23, rpsL109(strR), xylA5, mtl-1, metE70, thiE1
Strain Comments:

• purE42-- :Strains with this marker are derivatives of Χ148 and may carry malA38LAMR and a suppressor of the Mal^- phenotype, sup-78,near his.
• 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
• proC32 was formerly called proC65
• thiE1 was formerly called thi-1
• AS = amber(UAG) suppressor
• aziR = azide resistance
• strR = streptomycin resist.

References:

• De Felice, M, J Guardiola, MC Malorni, T Klopotowski, M Iaccarino 1974. Regulation of the pool size of valine in Escherichia coli K-12. J. Bacteriol. 120(3):1058-67.