Affiliation:
1. Department of Environmental Chemistry and Engineering, Faculty of Engineering, Oita University, Oita 870-11, Japan
Abstract
A bacterial strain that produces
d
-aminoacylase was isolated from soil and identified as
Alcaligenes denitrificans
subsp.
xylosoxydans
MI-4.
l
-Aminoacylase activity in this strain was only 1 to 2% of
d
-aminoacylase activity.
d
-Aminoacylase was inducibly produced.
N
-Acetyl-
dl
-leucine was the best inducer, and the
d
-isomer had the ability to induce the enzyme. Enzymatic resolution of
N
-acetyl-
dl
-methionine with the crude enzyme was carried out, and the
d
/
l
ratio in the resolved methionine was approximately 100/7, suggesting that resolution with crude enzymes may become possible by removing small amounts of the contaminated
l
-form with
l
-amino acid oxidase.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
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