CGSC Strain#: 4486
Strain Designation: JC1569      Source of Strain: A.J. Clark
Sex: F- Chromosomal Markers: leuB6(Am), fhuA2, lacY1, tsx-1, glnV44(AS), gal-6, λ^-, hisG1(Fs), rfbC1, recA1, argG6, rpsL104, xyl-7, mtlA2, metB1
Strain Comments:

• leuB6(Am)-- Suppressed by serU suppressor (supH)
• recA1-- : Missense mutation, altered isoelectric point. Sequenced: G to A for Nuc. 720 (Gly 160 Asp).
• glnV44(AS) was formerly called supE44
• glnV44(AS) was formerly called su⁺_II
• rfbC1 was formerly called rfbD1
• xyl-7 was formerly called xylA7
• = strep-resistant
• Am = amber(UAG) mutation
• AS = amber(UAG) suppressor
• Fs = Frameshift mutation

References:

• Brooks, J.E., A.J. Clark 1967. Behavior of LAM bactriophage in a recombination-deficient strain of Escherichia coli. J.Virology 1:283-293