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:
Sep. 26, 2006

Filed:

Mar. 14, 2002
Applicants:

Hirotaka Minagawa, Tokyo, JP;

Ichiro Ishida, Tokyo, JP;

Akira Tsugita, Tokyo, JP;

Takuji Nabetani, Tokyo, JP;

Inventors:

Hirotaka Minagawa, Tokyo, JP;

Ichiro Ishida, Tokyo, JP;

Akira Tsugita, Tokyo, JP;

Takuji Nabetani, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a method for efficiently analyzing a posttranslational modification of a protein using no enzyme, a protein or peptide to be analyzed is reacted with an acid (a thioester or hydrazine) under certain conditions. This makes it possible to detect variously modified states of a protein or peptide, whereby the identification of each specific modifying group and the position of each modified amino acid can be efficiently analyzed using a chemical method and a mass spectrometric apparatus.


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