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Molecules 2013, 18(6), 6952-6968;

Novel Biological Activities of Allosamidins

Department of Applied Biological Chemistry, the University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
Department of Pulmonary Medicine, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima 890-8520, Japan
Author to whom correspondence should be addressed.
Received: 26 April 2013 / Revised: 27 May 2013 / Accepted: 7 June 2013 / Published: 13 June 2013
(This article belongs to the Special Issue Chitins and Chitosans)
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Allosamidins, which are secondary metabolites of the Streptomyces species, have chitin-mimic pseudotrisaccharide structures. They bind to catalytic centers of all family 18 chitinases and inhibit their enzymatic activity. Allosamidins have been used as chitinase inhibitors to investigate the physiological roles of chitinases in a variety of organisms. Two prominent biological activities of allosamidins were discovered, where one has anti-asthmatic activity in mammals, while the other has the chitinase-production- promoting activity in allosamidin-producing Streptomyces. In this article, recent studies on the novel biological activities of allosamidins are reviewed. View Full-Text
Keywords: allosamidin; chitinase; inhibitor; asthma; Streptomyces; secondary metabolite allosamidin; chitinase; inhibitor; asthma; Streptomyces; secondary metabolite

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Sakuda, S.; Inoue, H.; Nagasawa, H. Novel Biological Activities of Allosamidins. Molecules 2013, 18, 6952-6968.

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