Strain ER
- CGSC#: 4813
- Strain Designation
Designation Source Preference ER Reich E. 1 ATCC#25287 2 - Sex(Hfr,F+,F-,or F'): F+
- 6 Mutations:
Mutation Location Certainty Display asnB32 15.02 1 asnB32 LAM- 17.40 1 λ- relA1 62.71 1 relA1 spoT1 82.34 1 spoT1 asnA31 84.60 1 asnA31 thiE1 90.34 1 thiE1 - Comments:
- This strain requires 100ug/ml L-asparagine.
- References:
- Cedar, H, JH Schwartz 1969. The asparagine synthetase of Escherhic coli. I. Biosynthetic role of the enzyme, purification, and characterization of the reaction products. J. Biol. Chem. 244(15):4112-21.
- Felton, J, S Michaelis, A Wright 1980. Mutations in two unlinked genes are required to produce asparagine auxotrophy in Escherichia coli. J. Bacteriol. 142(1):221-8.
Printable Strain Report