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: wherein R1, R2, R3, R4, R5, R6, and R8 are independently H, substituted or unsubstituted —C1-10-alkyl-, —C2-10-alkenyl, or —C2-10-alkynyl, R7 is H or —NR9R10, R9 and R10 are independently H, substituted or unsubstituted —C1-10-alkyl-, —C2-10-alkenyl, or —C2-10-alkynyl, X is —NR11, —O, or S, R11 is H, substituted or unsubstituted —C1-10-alkyl-, —C2-10-alkenyl, or —C2-10-alkynyl, Y is —OR12 or —NR13R14, R12 is H, substituted or unsubstituted —C1-10-alkyl-, —C2-10-alkenyl, or —C2-10-alkynyl, and R13 and R14 are independently H, substituted or unsubstituted —C1-10-alkyl-, —C2-10-alkenyl, or —C2-10-alkynyl.