Strain KY4040
- CGSC#: 4840
- Strain Designation
Designation Source Preference KY4040 Ito K. 1 - Sex(Hfr,F+,F-,or F'): F-
- 3 Mutations:
Mutation Location Certainty Display tyrT58(AS) 27.74 1 tyrT58(AS) trpS44 75.67 1 trpS44 mel-1 93.54 1 mel-1 - Comments:
- trpS44 is called trpS5 in the papers cited below.
- References:
- Ito, K, S Hiraga, T Yura 1969. Tryptophanyl transfer RNA synthetase and expression of the tryptophan operon in the trpS mutants of Escherichia coli. Genetics 61(3):521-38.
- Ito, K 1972. Regulatory mechanism of the tryptophan operon in Escherichia coli: possible interaction between trpR and trpS gene products. Mol. Gen. Genet. 115(4):349-63.
To request this strain visit the ECGRC website.
Printable Strain Report