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N-terminal TAMRA-Ubiquitin

N-terminal TAMRA-Ubiquitin

N-terminal TARMA-Ub (also called TARMA-Ub) is a fluorescent Ub, in which TAMRA (5-tetramethylrhodamine) is covalently conjugated on the N-terminus of Ub. All seven lysine residues in TARMA-Ub are available for ubiquitination. This product can be used for determination of protein ubiquitination or E1/E2/E3 enzyme activity using sensitive in-gel fluorescence. TAMRA fluorescence is detected using excitation/emission wavelengths at 550 nm/590 nm, respectively.