CYCLIC MALTOSYL MALTOSE, CYCLIC MALTOSYL MALTOSE SYNTHASE, METHOD OF PRODUCING THE SAME AND USE THEREOF

Title:

CYCLIC MALTOSYL MALTOSE, CYCLIC MALTOSYL MALTOSE SYNTHASE, METHOD OF PRODUCING THE SAME AND USE THEREOF

Document Type and Number:

WIPO Patent Application WO/2005/021564

Kind Code:

A1

Abstract:

It is intended to provide a novel nonreducing saccharide having glucose as its constituting sugar to thereby broaden the range of selecting nonreducing saccharides. It is also intended to provide a novel enzyme for synthesizing the above nonreducing saccharide, a method of synthesizing the same, a method of producing the same, a DNA encoding this enzyme, a recombinant DNA and a transformant containing the same, a composition containing the above nonreducing saccharide and use thereof. The above objects are achieved by providing a novel cyclic saccharide having the structure of cyclo&lcub →6)-&agr -D-glucopyranosyl-(1→4)-&agr -D-glucopyranosyl-(1→6)-&agr -D-glucopyranosyl-(1→4)-&agr -D-glucopyranosyl-(1→&rcub , namely, cyclic maltosyl maltose, a novel cyclic maltosyl maltose synthase for synthesizing the same, a method of synthesizing the same, a method of producing the same, a DNA encoding this enzyme, a recombinant DNA and a transformant containing the same, a composition containing the cyclic maltosyl maltose or a saccharide containing the same and use thereof.

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Inventors:

MUKAI KAZUHISA (JP)
WATANABE HIKARU (JP)
NISHIMOTO TOMOYUKI (JP)
KUBOTA MICHIO (JP)
FUKUDA SHIGEHARU (JP)
MIYAKE TOSHIO (JP)

Application Number:

PCT/JP2004/012282

Publication Date:

March 10, 2005

Filing Date:

August 26, 2004

Export Citation:

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Assignee:

HAYASHIBARA BIOCHEM LAB (JP)
MUKAI KAZUHISA (JP)
WATANABE HIKARU (JP)
NISHIMOTO TOMOYUKI (JP)
KUBOTA MICHIO (JP)
FUKUDA SHIGEHARU (JP)
MIYAKE TOSHIO (JP)

International Classes:

A23L27/30; A61K8/00; A61K8/60; A61K9/20; A61K47/26; A61Q11/00; A61Q19/00; C07H1/00; C07H3/06; C12N1/20; C12N1/21; C12N9/10; C12N15/09; C12P19/18; A23L1/30; C12R1/06; (IPC1-7): C07H3/06; A23L1/236; A23L1/30; A61K7/00; A61K7/16; A61K47/36; C12N1/20; C12N9/26; C12P19/18; C12P19/24

Domestic Patent References:

WO2001090338A1

2001-11-29

Other References:

CESCUTTI ET AL.: "Carbohydrate Research", vol. 329, PERGAMON, article "host-guest complex formation in cyclotrikis - (1-6)' - [alpha-D-glucopyranosyl-(1-4)- beta-D-glucopyranosyl"
"Classification and Identification of Microorganisms", 1985, JAPAN SCIENTIFIC SOCIETIES PRESS, article "BISEIBUTSU-NO-BUNRUI-TO-DOTEI"
See also references of EP 1674474A4

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