Letters in applied microbiology · 2006
A novel NADP+-dependent L-1-amino-2-propanol dehydrogenase from Rhodococcus erythropolis MAK154: a promising enzyme for the production of double chiral aminoalcohols.
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Kataoka M, Nakamura Y, Urano N, Ishige T, Shi G, Kita S, Sakamoto K, Shimizu S
Аннотация
AIM: A novel NADP(+)-dependent L-1-amino-2-propanol dehydrogenase was isolated from Rhodococcus erythropolis MAK154, and characterized.
METHODS AND RESULTS: The enzyme was inducibly produced on cultivation with aminoalcohols such as 1-amino-2-propanol, 1-amino-2-butanol and 2-aminocyclohexanol. The enzyme catalyses the NADP(+)-dependent oxidation of several aminoalcohols, and also the NADPH-dependent asymmetric reduction of an aminoketone compound to a double chiral aminoalcohol, d-pseudoephedrine. Amino acid sequence analysis showed that the enzyme might belong to the short-chain dehydrogenase/reductase family.
CONCLUSIONS: NADP(+)-dependent L-1-amino-2-propanol dehydrogenase isolated from R. erythropolis MAK154 reversibly catalysed dehydrogenation of aminoalcohols, and exhibited a unique sterospecifity for the reduction reaction.
SIGNIFICANCE AND IMPACT OF THE STUDY: The enzyme is a promising catalyst for the production of double chiral compound, d-pseudoephedrine, from prochiral substrate.
METHODS AND RESULTS: The enzyme was inducibly produced on cultivation with aminoalcohols such as 1-amino-2-propanol, 1-amino-2-butanol and 2-aminocyclohexanol. The enzyme catalyses the NADP(+)-dependent oxidation of several aminoalcohols, and also the NADPH-dependent asymmetric reduction of an aminoketone compound to a double chiral aminoalcohol, d-pseudoephedrine. Amino acid sequence analysis showed that the enzyme might belong to the short-chain dehydrogenase/reductase family.
CONCLUSIONS: NADP(+)-dependent L-1-amino-2-propanol dehydrogenase isolated from R. erythropolis MAK154 reversibly catalysed dehydrogenation of aminoalcohols, and exhibited a unique sterospecifity for the reduction reaction.
SIGNIFICANCE AND IMPACT OF THE STUDY: The enzyme is a promising catalyst for the production of double chiral compound, d-pseudoephedrine, from prochiral substrate.