N-Carbamyl-L-Amino Acid Amidohydrolase ofPseudomonassp. Strain NS671: Purification and Some Properties of the Enzyme Expressed inEscherichia coli

1996 ◽  
Vol 60 (4) ◽  
pp. 612-615 ◽  
Author(s):  
Takahiro Ishikawa ◽  
Ken Watabe ◽  
Yukuo Mukohara ◽  
Hiroaki Nakamura
1996 ◽  
Vol 271 (2) ◽  
pp. 1022-1028 ◽  
Author(s):  
Shihong Li ◽  
N. Vinay Kumar ◽  
Umesh Varshney ◽  
Uttam L. RajBhandary

2015 ◽  
Vol 43 (16) ◽  
pp. 8111-8122 ◽  
Author(s):  
Takahito Mukai ◽  
Atsushi Yamaguchi ◽  
Kazumasa Ohtake ◽  
Mihoko Takahashi ◽  
Akiko Hayashi ◽  
...  

2006 ◽  
Vol 359 (3) ◽  
pp. 741-753 ◽  
Author(s):  
Wei-Chun Chiu ◽  
Ji-Yu You ◽  
Jai-Shin Liu ◽  
Shih-Kuang Hsu ◽  
Wen-Hwei Hsu ◽  
...  

Toxins ◽  
2019 ◽  
Vol 11 (9) ◽  
pp. 518
Author(s):  
Honghai Zhang ◽  
Yunpeng Zhang ◽  
Tie Yin ◽  
Jing Wang ◽  
Xiaolin Zhang

Ochratoxin A (OTA) is a well-known, natural contaminant in foods and feeds because of its toxic effects, such as nephrotoxicity in various animals. Recent studies have revealed that Alcaligenes faecalis could generate enzymes to efficiently degrade OTA to ochratoxin α (OTα) in vitro. In an effort to obtain the OTA degrading mechanism, we purified and identified a novel degrading enzyme, N-acyl-L-amino acid amidohydrolase (AfOTase), from A. faecalis DSM 16503 via mass spectrometry. The same gene of the enzyme was also encountered in other A. faecalis strains. AfOTase belongs to peptidase family M20 and contains metal ions at the active site. In this study, recombination AfOTase was expressed and characterized in Escherichia coli. The molecular mass of recombinant rAfOTase was approximately 47.0 kDa, as determined by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). The enzyme exhibited a wide temperature range (30–70 °C) and pH adaptation (4.5–9.0) and the optimal temperature and pH were 50 °C and 6.5, respectively.


1999 ◽  
Vol 15 (4) ◽  
pp. 603-607 ◽  
Author(s):  
Y.-P. Chao ◽  
T.-Y. Juang ◽  
J.-T. Chern ◽  
C.-K. Lee

1999 ◽  
Vol 55 (3) ◽  
pp. 694-695 ◽  
Author(s):  
Wen-Hwei Hsu ◽  
Fan-Tso Chien ◽  
Chuan-Long Hsu ◽  
Tse-Chi Wang ◽  
Hanna S. Yuan ◽  
...  

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