| abstract |
Provided are a labelling agent including a compound of the following Formula 1, a labelling composition, a method of labelling a protein with the labelling agent, and a method of detecting the protein using the labelling agent: n n n n n n n n n n wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , and R 8 are independently H, substituted or unsubstituted —C 1-10 -alkyl-, —C 2-10 -alkenyl, or —C 2-10 -alkynyl, R 7 is H or —NR 9 R 10 , R 9 and R 10 are independently H, substituted or unsubstituted —C 1-10 -alkyl-, —C 2-10 -alkenyl, or —C 2-10 -alkynyl, X is —NR 11 , —O, or S, R 11 is H, substituted or unsubstituted —C 1-10 -alkyl-, —C 2-10 -alkenyl, or —C 2-10 -alkynyl, Y is —OR 12 or —NR 13 R 14 , R 12 is H, substituted or unsubstituted —C 1-10 -alkyl-, —C 2-10 -alkenyl, or —C 2-10 -alkynyl, and R 13 and R 14 are independently H, substituted or unsubstituted —C 1-10 -alkyl-, —C 2-10 -alkenyl, or —C 2-10 -alkynyl. |