DH2      Source of Strain:
F- Chromosomal Markers: glnV44
, hsdR17Strain Comments:
- This is a recA- recombinant derivative of M. Meselson strain MM294.
- recA1-- : Missense mutation, altered isoelectric point. Sequenced: G to A for Nuc. 720 (Gly 160 Asp).
- endA1-- G to A transition mutation resulting in E208K amino acid substitution.
- glnV44(AS) was formerly called supE44
- glnV44(AS) was formerly called su+II
- rfbC1 was formerly called rfbD1
- thiE1 was formerly called thi-1
- = good miniprep dsDNA quality
- AS = amber(UAG) suppressor
- Hanahan, D. 1983. Studies on transformation of Escherichia coli with plasmids. J.Mol.Biol. 166:557-580