Fructose amino acid oxidase, preparation method and enzyme-containing kit for detecting glycated albumin

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United States of America Patent

PATENT NO 9988609
SERIAL NO

15108320

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Abstract

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Fructosyl amino acid oxidase is provided, which has an amino acid sequence as shown in SEQID. No. 1 or fructosyl amino acid oxidase having a homology of more than 80% with this amino acid sequence, on a corresponding site of an amino acid selected from following (a) to (f), having one or more amino acid residues conducting a substitution, obtained fructosyl amino acid oxidase having a higher thermostability: (a) 59-site glutamic acid, (b) 98-site glutamic acid, (c) 225-site glycine, (d) 277-site lysine, (e) 285-site glutamic acid, and (f) 355-site aspartic acid. The method for preparing the above oxidase and the test kit containing the enzyme for determining glycated albumin are also provided.

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Patent Owner(s)

Patent OwnerAddress
MEDICAL SYSTEM BIOTECHNOLOGY CO LTD315000 NO 299 QIMING SOUTH ROAD YINZHOU DISTRICT NINGBO CITY ZHEJIANG PROVINCE NINGBO CITY ZHEJIANG PROVINCE 315000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jia, Jianghua Ningbo, CN 2 0
Wang, Yi Ningbo, CN 1349 14754
Zou, Bingde Ningbo, CN 3 0
Zou, Jihua Ningbo, CN 4 0

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