5-SUBSTITUTED HYDANTOIN RACEMASE, DNA ENCODING THE SAME, RECOMBINANT DNA, TRANSFORMED CELL AND METHOD FOR PRODUCING OPTICALLY ACTIVE AMINO ACID

摘要

PROBLEM TO BE SOLVED: To provide a method for producing an optically active amino acid in the presence of a new isolated 5-substituted hydantoin racemase.

SOLUTION: The 5-substituted hydantoin racemase activity-having protein has the following amino acid sequence (a) or (b). (a) A specific amino acid sequence originated from Flavobacterium. (b) An amino acid sequence which is obtained by substituting, deleting, inserting, adding or inverting one or several amino acid residues for/from/into/to/in, the above amino acid sequence.

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