US 7,514,250 B2
Coenzyme-binding glucose dehydrogenase
Hironori Omura, Hiroshima (Japan); Hirokazu Sanada, Hiroshima (Japan); Takako Yada, Hiroshima (Japan); Tetsunari Morita, Hiroshima (Japan); Mika Kuyama, Hiroshima (Japan); Tokuji Ikeda, Kyoto (Japan); Kenji Kano, Kyoto j (Japan); and Seiya Tsujimura, Nara (Japan)
Assigned to Ikeda Food Research Co., Ltd., Hiroshima (Japan)
Appl. No. 10/540,025
PCT Filed Dec. 24, 2003, PCT No. PCT/JP03/16603
§ 371(c)(1), (2), (4) Date Oct. 14, 2005,
PCT Pub. No. WO2004/058958, PCT Pub. Date Jul. 15, 2004.
Claims priority of application No. 2002-373297 (JP), filed on Dec. 24, 2002.
Prior Publication US 2006/0063217 A1, Mar. 23, 2006
Int. Cl. C12N 9/02 (2006.01)
U.S. Cl. 435—189  [435/14; 435/69.1] 7 Claims
 
1. An isolated soluble flavin dependent glucose dehydrogenase obtainable from Aspergillus terreus, or a mutant thereof which results from a deletion, substitution or addition of one amino acid residue, which:
(a) catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor;
Co) has a 5% or less specific activity to maltose relative to the enzymatic activity to glucose; and
(c) is inhibited by 1,10-phenanthroline.