Kinetic characterisation of arylamine N-acetyltransferase from Pseudomonas aeruginosa
2007
Study of Kinetic Mechanism of Arylamine N-acetyltransferase from Pseudomonas aeruginosa
publication
Evidence: high
Author Information
Author(s): Westwood IM, Sim Edith
Primary Institution: Department of Pharmacology, University of Oxford
Hypothesis
What is the kinetic mechanism of arylamine N-acetyltransferase from Pseudomonas aeruginosa?
Conclusion
The study reveals that the NAT from Pseudomonas aeruginosa follows a Ping Pong Bi Bi kinetic mechanism with substrate inhibition.
Supporting Evidence
- The NAT from Pseudomonas aeruginosa is a model for NAT from Mycobacterium tuberculosis.
- The study is the first to investigate the kinetic mechanism of a bacterial NAT enzyme.
- Substrate inhibition by 5-aminosalicylic acid was observed in the kinetic analysis.
- The normalised plot method allows for a full kinetic description with fewer data points.
Takeaway
This study shows how a specific enzyme from bacteria works and how it can be affected by certain substances, which is important for drug development.
Methodology
The kinetic mechanism was elucidated using a normalised plot method and non-linear regression analysis.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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