PROPIOXATINS A AND B, NEW ENKEPHALINASE B INHIBITORS: I. TAXONOMY, FERMENTATION, ISOLATION AND BIOLOGICAL PROPERTIES

A soil isolate of actinomycete, strain SANK 60684, was found to produce new enkephalinase B inhibitors, propioxatins A and B. The presence of both LL- and meso-2, 6-diaminopimelic acid, glycine and galactose in the cell wall assigned this strain to genus Kitasatosporia. From the morphological, cultu...

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Veröffentlicht in:Journal of antibiotics 1986, Vol.39(10), pp.1368-1377
Hauptverfasser: INAOKA, YOSHINORI, TAMAOKI, HIDETSUNE, TAKAHASHI, SHUJI, ENOKITA, RYUZO, OKAZAKI, TAKAO
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container_end_page 1377
container_issue 10
container_start_page 1368
container_title Journal of antibiotics
container_volume 39
creator INAOKA, YOSHINORI
TAMAOKI, HIDETSUNE
TAKAHASHI, SHUJI
ENOKITA, RYUZO
OKAZAKI, TAKAO
description A soil isolate of actinomycete, strain SANK 60684, was found to produce new enkephalinase B inhibitors, propioxatins A and B. The presence of both LL- and meso-2, 6-diaminopimelic acid, glycine and galactose in the cell wall assigned this strain to genus Kitasatosporia. From the morphological, cultural and physiological characteristics, this strain was determined to be Kitasatosporia setae. The Ki values of propioxatins A and B were 1.3×10-8 M and 1.1×10-7 M, respectively, for enkephalinase B. All other proteases examined except aminopeptidases, which were slightly inhibited, were not inhibited by these two compounds.
doi_str_mv 10.7164/antibiotics.39.1368
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TAXONOMY, FERMENTATION, ISOLATION AND BIOLOGICAL PROPERTIES</atitle><jtitle>Journal of antibiotics</jtitle><addtitle>J. Antibiot.</addtitle><date>1986</date><risdate>1986</risdate><volume>39</volume><issue>10</issue><spage>1368</spage><epage>1377</epage><pages>1368-1377</pages><issn>0021-8820</issn><eissn>1881-1469</eissn><abstract>A soil isolate of actinomycete, strain SANK 60684, was found to produce new enkephalinase B inhibitors, propioxatins A and B. The presence of both LL- and meso-2, 6-diaminopimelic acid, glycine and galactose in the cell wall assigned this strain to genus Kitasatosporia. From the morphological, cultural and physiological characteristics, this strain was determined to be Kitasatosporia setae. The Ki values of propioxatins A and B were 1.3×10-8 M and 1.1×10-7 M, respectively, for enkephalinase B. 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subjects Actinomycetales - metabolism
Animals
Brain - enzymology
Chromatography, High Pressure Liquid
Dipeptides - isolation & purification
Dipeptides - pharmacology
Dipeptidyl-Peptidases and Tripeptidyl-Peptidases - antagonists & inhibitors
Endopeptidases - metabolism
Enkephalins - metabolism
Fermentation
Magnetic Resonance Spectroscopy
Male
Protease Inhibitors - isolation & purification
Protease Inhibitors - pharmacology
Rats
Rats, Inbred Strains
Spectrophotometry, Infrared
title PROPIOXATINS A AND B, NEW ENKEPHALINASE B INHIBITORS: I. TAXONOMY, FERMENTATION, ISOLATION AND BIOLOGICAL PROPERTIES
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