Cloning and expression of the l-1-amino-2-propanol dehydrogenase gene from Rhodococcus erythropolis, and its application to double chiral compound production
The gene encoding NADP⁺-dependent l-1-amino-2-propanol dehydrogenase (AADH) of Rhodococcus erythropolis MAK154 was cloned and sequenced. A 780-bp nucleotide fragment was confirmed to be the gene encoding AADH by agreement of the N-terminal and internal amino acid sequences of the purified AADH. The...
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Published in | Applied microbiology and biotechnology Vol. 80; no. 4; pp. 597 - 604 |
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Main Authors | , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Berlin/Heidelberg
Berlin/Heidelberg : Springer-Verlag
01.09.2008
Springer Berlin Heidelberg Springer Springer Nature B.V |
Subjects | |
Online Access | Get full text |
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Summary: | The gene encoding NADP⁺-dependent l-1-amino-2-propanol dehydrogenase (AADH) of Rhodococcus erythropolis MAK154 was cloned and sequenced. A 780-bp nucleotide fragment was confirmed to be the gene encoding AADH by agreement of the N-terminal and internal amino acid sequences of the purified AADH. The gene (aadh) codes a total of 259 amino acid residues, and the deduced amino acid sequence shows similarity to several short-chain dehydrogenase/reductase family proteins. An expression vector, pKKAADH, which contains the full length aadh was constructed. Escherichia coli cells possessing pKKAADH exhibited a 10.4-fold increase in specific activity as to catalysis of the reduction of (S)-1-phenyl-2-methylaminopropan-1-one (MAK), as compared with that of R. erythropolis MAK154 induced by 1-amino-2-propanol (1 mg/ml). Coexpression of aadh with a cofactor regeneration enzyme (glucose dehydrogenase) gene was also performed, and a system for sufficient production of d-pseudoephedrine from racemic MAK was constructed. |
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Bibliography: | http://dx.doi.org/10.1007/s00253-008-1563-6 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0175-7598 1432-0614 |
DOI: | 10.1007/s00253-008-1563-6 |