CGSC Strain#: 4600
Strain Designation: DS13A      Source of Strain: D.A. Steege
Sex: Hfr    Point of Origin#: 44   Map Position: 46.69   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: phoA4(Am), λ^-, his-60, relA1, pitA10, spoT1, thiE1, T2R
Strain Comments:

• phoA4(Am)-- is Garen's phoAS26 . It is suppressed by leuX151, glnV33(=supE33) and serU132(=supD32).
• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
• T2R-- : selected for resistance to phage T2
• thiE1 was formerly called thi-1
• Am = amber(UAG) mutation

References: