Properties of a 2,3-butanediol dehydrogenase from taiwanofungus camphorata

Chuian-Fu Ken, Wei Wei Tsai, Lisa Wen, Dey Chyi Sheu, Chi Tsai Lin

Research output: Contribution to journalArticle

Abstract

2,3-Butanediol dehydrogenase (Bdh) plays important roles in reduction of acetoin to 2,3-butanediol, an important platform chemical with many industrial applications. Here, a TcBdh cDNA (1348 bp, GenBank accession JF896462) encoding a putative Bdh was cloned from Taiwanofungus camphorata. The deduced amino acid sequence is similar to the Bdhs from other species. A 3-D structural model of TcBdh has been constructed based on the known structure of Pseudomonas putida formaldehyde dehydrogenase (PpFdh, PDB code 1KOL). To characterize the TcBdh protein, the coding region was subcloned into an expression vector pYEX-S1 and transformed into Saccharomyces cerevisiae. The recombinant His6-tagged TcBdh was expressed and purified by Ni2+-nitrilotriacetic acid Sepharose. The purified enzyme showed a single band of 49 kDa on 12% sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The Michaelis constant (KM) value of the recombinant enzyme for acetoin was 8.5 mM. The enzyme's optical pH was 6. The thermal inactivation of the enzyme showed a half-life of 5.3 min at 45°C.

Original languageEnglish
Pages (from-to)443-448
Number of pages6
JournalJournal of the Chinese Chemical Society
Volume62
Issue number5
DOIs
Publication statusPublished - 2015 May 1

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butanediol dehydrogenase
Acetoin
glutathione-independent formaldehyde dehydrogenase
Enzymes
Nitrilotriacetic Acid
Electrophoresis
Sodium Dodecyl Sulfate
Yeast
Sepharose
Industrial applications
Complementary DNA
Amino Acids

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Ken, Chuian-Fu ; Tsai, Wei Wei ; Wen, Lisa ; Sheu, Dey Chyi ; Lin, Chi Tsai. / Properties of a 2,3-butanediol dehydrogenase from taiwanofungus camphorata. In: Journal of the Chinese Chemical Society. 2015 ; Vol. 62, No. 5. pp. 443-448.
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Properties of a 2,3-butanediol dehydrogenase from taiwanofungus camphorata. / Ken, Chuian-Fu; Tsai, Wei Wei; Wen, Lisa; Sheu, Dey Chyi; Lin, Chi Tsai.

In: Journal of the Chinese Chemical Society, Vol. 62, No. 5, 01.05.2015, p. 443-448.

Research output: Contribution to journalArticle

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