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.

Date of Patent:
Jan. 14, 2020

Filed:

Sep. 18, 2013
Applicant:

National Institute of Advanced Industrial Science and Technology, Tokyo, JP;

Inventors:

Sung Bae Kim, Tsukuba, JP;

Masaki Torimura, Tsukuba, JP;

Hiroaki Tao, Tsukuba, JP;

Tetsuya Nakazato, Tsukuba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 9/02 (2006.01); C12Q 1/6897 (2018.01); C12Q 1/66 (2006.01); C07K 14/72 (2006.01); G01N 33/535 (2006.01);
U.S. Cl.
CPC ...
C12Q 1/6897 (2013.01); C07K 14/72 (2013.01); C12N 9/0069 (2013.01); C12Q 1/66 (2013.01); G01N 33/535 (2013.01); C07K 2319/61 (2013.01); C07K 2319/70 (2013.01); C12Y 113/12007 (2013.01);
Abstract

The invention relates to establishment of a series of artificial luciferases based on artificial amino acid sequences extracted by amino acid alignment of copepod-derived luciferase sequences in a database based on amino acid similarity. The invention provides high luminescence intensity, high luminescence stability, and a spectrum with increased wavelength as luminescence characteristics. A series of artificial luciferases (ALuc) was established. The group of ALucs has superior luminescence characteristics, such as an increase in luminescence intensity, an increase in luminescence stability, or an increase in wavelength of the luminescence spectrum, which were not obtained before. Further, by using the artificial luciferases (ALuc) of the invention, it is possible to provide a novel, superior bioassay system, such as a bioluminescent probe, two-hybrid assay, a luminescent capsule, or the like having improved measurement function.


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