DL39      Source of Strain:
F- Chromosomal Markers: λ-
, 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)
- LeMaster, D.M., F.M. Richards 1988. NMR sequential assignment of Escherichia coli thioredoxin utilizing random fractional deuteriation. Biochemistry 27:142-150