Purification and Characterization of a Novel β-Cypermethrin-Degrading Aminopeptidase from Pseudomonas aeruginosa GF31.

@article{Tang2017PurificationAC,
  title={Purification and Characterization of a Novel β-Cypermethrin-Degrading Aminopeptidase from Pseudomonas aeruginosa GF31.},
  author={Ai-Xing Tang and H. R. Liu and Youyan Liu and Qing-yun Li and Yi-Ming Qing},
  journal={Journal of agricultural and food chemistry},
  year={2017},
  volume={65 43},
  pages={9412-9418}
}
In this study, a novel β-cypermethrin-degrading enzyme was isolated and purified by 32.8 fold from the extracellular cell-free filtrate of Pseudomonas aeruginosa GF31with the protein recovery of 26.6%. The molecular mass of the enzyme was determined to be 53 kDa. The optimum temperature for the activity was surprisingly 60 °C, and moreover, the purified enzyme showed a good pH stability, maintaining over 85% of its initial activity in the pH 5.0-9.0 range. Most of the common metal ions… CONTINUE READING
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