There are provided a polynucleotide sequence coding for an amino acid sequence capable of preferentially producing (S)-4-bromo-3-hydroxybutanoate by asymmetrically reducing 4-bromo-3-oxobutanoate, A DNA construct having a promoter in operative linkage with the polynucleotide sequence, a recombinant vector containing the polynucleotide sequence, a transformant, a recombinant vector and the like.
提供了一个多核苷酸序列,编码一个能够优先产生(S)-4-
溴-3-羟基
丁酸的
氨基酸序列,通过将4-
溴-
3-氧代丁酸不对称还原。该多核苷酸序列与启动子构成操作性连接的DNA构建物,
重组载体含有该多核苷酸序列,转化体,
重组载体等。