US 7,615,364 B2
Polypeptide having activity of unsaturating W3-fatty acid, polynucleotide coding for the polypeptide and use thereof
Sakayu Shimizu, Kyoto (Japan); and Eiji Sakuradani, Kyoto (Japan)
Assigned to Suntory Holdings Limited, Osaka-shi, Osaka (Japan)
Appl. No. 11/660,093
PCT Filed Aug. 19, 2005, PCT No. PCT/JP2005/015497
§ 371(c)(1), (2), (4) Date Feb. 13, 2007,
PCT Pub. No. WO2006/019192, PCT Pub. Date Feb. 23, 2006.
Claims priority of application No. 2004-241671 (JP), filed on Aug. 20, 2004.
Prior Publication US 2008/0032335 A1, Feb. 07, 2008
Int. Cl. C12N 9/02 (2006.01); C12N 15/00 (2006.01); C12N 1/20 (2006.01); C07H 21/02 (2006.01); C12N 5/00 (2006.01); A01H 9/00 (2006.01)
U.S. Cl. 435—189  [435/252.3; 435/320.1; 800/4; 800/295; 536/23.1] 9 Claims
 
1. An isolated polynucleotide coding for a polypeptide having an ω3 fatty acid desaturation activity, which is:
(a) a polypeptide consisting of the amino acid sequence represented by SEQ ID NO: 1, or
(b) a polypeptide consisting of an amino acid sequence, wherein one to 10 amino acids are substituted, deleted, inserted, or added in the amino acid sequence represented by SEQ ID NO: 1.