Fluorescently Labelled Peptides


Fluorescently labelled peptides are frequently used for in vivo biomedical imaging, protein binding and localization studies. Fluorochrome-conjugated peptides can be visualized by fluorescence microscopy or other fluorescence visualization techniques. We applied a wide variety of fluorescent labels. These labels can be incorporated at any desired position within your peptide. Most frequently, they are incorporated at the N-terminal end, or at the side chain of a cysteine (Cys) or lysine (Lys) residue, e.g. at the C-terminal end.

Short nameFull nameExcitation wavelengthsEmission wavelengths
5-FAM5-Carboxyfluorescein492 nm517 nm
6-FAM6-Carboxyfluorescein492 nm517 nm
AbzAnthranilyl, 2-Aminobenzoyl320 nm420 nm
Cy31-(5-carboxypentyl)-3,3-dimethyl-2-((1E,3E)-3-(1,3,3-trimethylindolin-2-ylidene)prop-1-en-1-yl)-3H-indol-1-ium chloride550 nm570 nm
Cy51-(5-carboxypentyl)-3,3-dimethyl-2-((1E,3E,5E)-5-(1,3,3-trimethylindolin-2-ylidene)penta-1,3-dienyl)-3H-indolium chloride650 nm670 nm
Dansyl5-(Dimethylamino) naphthalene-1-sulfonyl342 nm562 nm
EDANS5-[(2-Aminoethyl)amino] naphthalene-1-sulfonic acid340 nm490 nm
FITCFluorescein isothiocyanate490 nm520 nm
Mca7-Methoxycoumarinyl-4-acetyl325 nm392 nm
Rhodamine B[9-(2-carboxyphenyl)-6-diethylamino-3-xanthenylidene]-diethylammonium chloride553 nm627 nm
5-TAMRACarboxytetramethyl rhodamine543 nm572 nm


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