CGSC Strain#: 6454
Strain Designation: χ820     
Source of Strain: R. Curtiss
Other Designations: chi820
Sex: F-
Chromosomal Markers: thr-16,
proC24,
tsx-63,
purE41,
glnV42(AS)
,
λ-,
pyrF30,
his-53,
rpsL97(strR)
,
xyl-14,
cycA1,
T3R,
cycB2Strain Comments: - glnV42(AS) was formerly called supE42
- AS = amber(UAG) suppressor
- strR = streptomycin resist.
References: - Curtiss, R, LJ Charamella, DR Stallions, JA Mays 1968. Parental functions during conjugation in Escherichia coli K-12. Bacteriol Rev 32(4 Pt 1):320-48.