FIELD: biotechnology.
SUBSTANCE: disclosed is a polypeptide involved in production of glutathione, in which the amino acid corresponding to position 653 from the N-end of the amino acid sequence SEQ ID NO: 1 is replaced by methionine. Also disclosed is a polynucleotide encoding said polypeptide, an expression vector containing said polynucleotide, a microorganism for producing glutathione, containing any one or more of said polypeptides, a polynucleotide coding said polypeptide, or an expression vector containing said polynucleotide. Also disclosed is a method of producing glutathione.
EFFECT: invention enables to produce glutathione with high output.
12 cl, 6 tbl, 3 ex
