FIELD: biotechnology.
SUBSTANCE: invention is a polypeptide involved in the production of L-lysine, consisting of the amino acid sequence represented by SEQ ID NO 1 in which proline being the amino acid corresponding to position 199 of SEQ ID NO 3 is replaced by methionine.
EFFECT: invention also relates to a method for the production of L-lysine, which includes cultivating Corynebacterium glutamicum containing a polypeptide in a medium according to the invention or a polynucleotide encoding this polypeptide.
5 cl, 1 dwg, 3 tbl, 3 ex
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