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Cleavage of L-leucine-containing dipeptides by Clostridium butyricum
N Khelifa1, M Brik, A C Tessedre
1Laboratoire de Microbiologie, UMA, Faculté des Sciences Pharmaceutiques et Biologiques de Paris, Université René Descartes, Paris, France.
Bioorganic & Medicinal Chemistry Letters
|February 17, 1999
Abstract:
The ability of Clostridium butyricum cultures to hydrolyze three L-leucine-containing dipeptides (Leu-Leu, Leu-Gly and Gly-Leu) in a synthetic minimal medium is demonstrated by using gas chromatography coupled with mass spectrometry. The 13C nuclear magnetic resonance and a labeled dipeptide L-[1-13C]Leu-Gly were used to confirm this activity.