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Applied and Environmental Microbiology, October 1998, p. 4093-4094, Vol. 64, No. 10
0099-2240/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.

Substrate Selectivity and Biochemical Properties of 4-Hydroxy-2-Keto-Pentanoic Acid Aldolase from Escherichia coli

John R. Pollard, Delphine Rialland, and Timothy D. H. Bugg*

Department of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom

Received 22 May 1998/Accepted 14 July 1998

4-Hydroxy-2-keto-pentanoic acid aldolase from Escherichia coli was identified as a class I aldolase. The enzyme was found to be highly selective for the acetaldehyde acceptor but would accept alpha -ketobutyric acid or phenylpyruvic acid in place of the pyruvic acid carbonyl donor.


* Corresponding author. Mailing address: Department of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom. Phone: 01703-593816. Fax: 01703-593781. E-mail: tdb{at}soton.ac.uk.


Applied and Environmental Microbiology, October 1998, p. 4093-4094, Vol. 64, No. 10
0099-2240/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.



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