English  |  正體中文  |  简体中文  |  Items with full text/Total items : 26988/38789
Visitors : 2346811      Online Users : 28
RC Version 4.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Adv. Search
LoginUploadHelpAboutAdminister

Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51229

Title: Properties of a 2,3-butanediol dehydrogenase from Taiwanofungus camphorata
Authors: Chuian-Fu Ken
Wei Wei Tsai
Lisa Wen
Dey Chyi Sheu
Chi Tsai Lin
Contributors: 國立臺灣海洋大學:生命科學暨生物科技學系
Date: 2015-05
Issue Date: 2018-11-19T08:07:16Z
Publisher: Journal of the Chinese Chemical Society
Abstract: 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.
Relation: 62(5) pp.443-448
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51229
Appears in Collections:[生命科學暨生物科技學系] 期刊論文

Files in This Item:

File Description SizeFormat
index.html0KbHTML11View/Open


All items in NTOUR are protected by copyright, with all rights reserved.

 


著作權政策宣告: 本網站之內容為國立臺灣海洋大學所收錄之機構典藏,無償提供學術研究與公眾教育等公益性使用,請合理使用本網站之內容,以尊重著作權人之權益。
網站維護: 海大圖資處 圖書系統組
DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback