US 2019/0338329 A1Published application

Hexuronate c4-epimerase variant having improved d-tagatose conversion activity, and d-tagatose production method using same

AssigneeCj Cheiljedang Corporation

InventorsSung Jae YANG, Young Mi LEE, Il Hyang PARK, Chan-Hyoung LEE, Hyun Kug CHO, Seong Bo KIM, Yang Hee KIM, Seung Won PARK

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Abstract

Provided are a hexuronate C4-epimerase variant with improved activity in converting D-fructose by D-tagatose of hexuronate C4-epimerase and a method for production of D-tagatose using them.

Claims15

Dependent claims

A hexuronate C4-epimerase variant in which a tyrosine (Y)-403 amino acid residue from N-terminal of a hexuronate C4-epimerase consisting of an amino acid sequence of SEQ ID NO:

1 is mutated.

Dependencies are inferred from the claim text.

Facts

Application: 15/759,511Filed 31 Jul 2017
Priority: KR 10-2016-009750029 Jul 2016
Published: 7 Nov 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

C12N 9/90
Enzymes; Proenzymes; Compositions thereof ; Processes for preparing, activating, inhibiting, separating or purifying enzymes: isomerases
C12P 19/02
Preparation of compounds containing saccharide radicals: monosaccharides
C12P 19/24
Preparation of compounds containing saccharide radicals: produced by the action of an isomerase, e.g. fructose
C12Y 501/02
Racemaces and epimerases: acting on hydroxy acids and derivatives

Family

US 10,544,439 B2Related patent
US 2019/0338329 A1This patent

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