CGSC Strain#: 6913
Strain Designation: DL39     
Source of Strain: D.M. LeMaster
Sex: F-
Chromosomal Markers: λ-,
aspC13,
fnr-25,
rph-1,
ilvE12,
tyrB507Strain Comments: - auxotrophic for phenylalanine, tyrosine, aspartic acid, leucine, isoleucine, and valine (leaky).
- rph-1-- is a 1 bp deletion that results in frameshift over last 15 codons and has polar effect on pyrE leading to suboptimal pyrimidine levels on minimal medium.(Jensen 1993 JBact.175:3401)
References: - LeMaster, D.M., F.M. Richards 1988. NMR sequential assignment of Escherichia coli thioredoxin utilizing random fractional deuteriation. Biochemistry 27:142-150