The strain of Escherichia coli VKPM (BK M) of B-3996 as a producer of L-threonine

The bacterial strain of Escheria coli BKIIM B-3996, a L- treonin producer, containing recombinant plasmid pVIC40 and which is stored on 19 November 1987 in the collection of cultures of micro-organisms at the Antibiotic Research Institute of Soviet Union under the registration number 1867.