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Electrochemistry of single enzymes: fluctuations of catalase activities

Abstract:

Dynamic fluctuations of the catalytic ability of single catalase enzymes toward hydrogen peroxide decomposition are observed via the nanoimpact technique. The electrochemical signals of single enzymes show that the catalytic ability of single enzymes can temporarily be much higher than expected from the classical, time-averaged Michaelis–Menten description. By combination of experimental data with a new theoretical model, we interpret the unusual enhancement of the single catalase signal and ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1021/acs.jpclett.8b01199

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Oxford college:
Pembroke College
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Chemistry; Physical & Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Chemistry; Physical & Theoretical Chem
Oxford college:
St John's College
Role:
Author
ORCID:
0000-0001-9841-5041
Publisher:
American Chemical Society Publisher's website
Journal:
Journal of Physical Chemistry Letters Journal website
Volume:
9
Pages:
2814–2817
Publication date:
2018-05-11
Acceptance date:
2018-05-11
DOI:
ISSN:
1948-7185
Pmid:
29750524
Source identifiers:
849203
Language:
English
Pubs id:
pubs:849203
UUID:
uuid:ced9efd2-ccd2-4270-b14f-91fd36879c5c
Local pid:
pubs:849203
Deposit date:
2018-05-20

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