The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 2009
Filed:
Aug. 31, 2004
Seiji Takeshima, Tsuruga, JP;
Tadanobu Matsumura, Tsuruga, JP;
Takahide Kishimoto, Tsuruga, JP;
Masanori Oka, Tsuruga, JP;
Noriaki Hirayama, Zama, JP;
Seiji Takeshima, Tsuruga, JP;
Tadanobu Matsumura, Tsuruga, JP;
Takahide Kishimoto, Tsuruga, JP;
Masanori Oka, Tsuruga, JP;
Noriaki Hirayama, Zama, JP;
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Abstract
PQQGDH having an improved substrate specificity or having an improved specific activity in an assay system using ferricyanide ion as a mediator is provided. Modified PQQGDH having the enhanced substrate specificity by introducing an amino acid mutation in a particular region of PQQGDH, and a method of enhancing the specific activity compared with a wild type in the assay system using the ferricyanide ion as the mediator by deleting, substituting, or adding one or more amino acids in an amino acid sequence of the wild type pyrroloquinoline quinone dependent glucose dehydrogenase.