CGSC Strain#: 4679
Strain Designation: SASX77      Source of Strain: A. Sasarman
Other Designations: SASP19
Sex: F- Chromosomal Markers: lacY1, glnX44(AS), hemA8, rpsL134(strR), malT1(λ^R), metB1
Strain Comments:

• glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
• hemA8-- : hemA mutant strains must be supplemented with Δ aminolevulinic acid, e.g., L + 10-50 ug/ml Δ ALA
• glnX44(AS) was formerly called su⁺_II
• glnX44(AS) was formerly called supE44
• glnX44(AS) was formerly called glnV44
• AS = amber(UAG) suppressor
• LamR = Lambda-resistant
• strR = streptomycin resist.

References:

• Sasarman, A, M Surdeanu, T Horodniceanu 1968. Locus determining the synthesis of delta-aminolevulinic acid in Escherichia coli K-12. J. Bacteriol. 96(5):1882-4.