Fluorescent Peptides & Dye Labeled Peptides

Fluorescent peptides are indispensable tools in the fields of molecular biology, biochemistry, and biotechnology. These peptides, labeled with fluorescent dyes, are used extensively for protein binding and localization studies, enabling researchers to track and visualize various biological processes with high precision.

High-Quality Fluorescent Peptide Synthesis

At JPT Peptide Technologies, we specialize in fluorescent peptide synthesis, providing tailored solutions to meet your specific research needs. With over 20 years of expertise in peptide manufacturing, we offer a broad range of fluorescent peptides with various modifications and high purity levels. Our state-of-the-art laboratories in Berlin, Germany, operate under strict regulations, ensuring the highest quality standards in peptide synthesis.

Incorporation of Fluorescent Labels in Peptides

Fluorescent labels can be incorporated at many positions in the fluorescent peptides. Typically, these labels are added at the N-terminus or at specific amino acid side chains like Cysteine (Cys) and Lysine (Lys). Below, we provide a detailed list of commonly used fluorescent dyes and fluorescence labels and their attachment options:

Fluorophore Short Name	Full Name	Excitation / Emission Wavelength
Abz	Anthranilyl, 2-Aminobenzoyl	320 nm 420 nm
N-Me-Abz	N-Methyl-anthranilyl, N-Methyl-2-Aminobenzoyl	340-360 nm 440-450 nm
FITC	Fluoresceinisothiocyanate (5 or 6 isomer or mixture of isomers)	490 nm 520 nm
5-FAM	5-Carboxyfluorescein	492 nm 517 nm
6-FAM	6-Carboxyfluorescein	492 nm 517 nm
TAMRA	Carboxytetramethyl rhodamine (5 or 6 isomer or mixture of isomers)	543 nm 572 nm
Mca	7-Methoxycoumarinyl-4-acetyl	325 nm 392 nm
AMCA / Amc	Aminomethylcoumarin Acetate	350 nm 450 nm
Dansyl	5-(Dimethylamino) naphthalene-1-sulfonyl	342 nm 562 nm
EDANS	5-[(2-Aminoethyl)amino] naphthalene-1-sulfonic acid	340 nm 490 nm
Atto	e.g. Atto465, Atto488, Atto495, Atto550, Atto647	453 nm 508 nm (Atto465)
Cy3	1-(5-carboxypentyl)-3,3-dimethyl-2-((1E,3E)-3-(1,3,3-trimethylindolin-2-ylidene)prop-1-en-1-yl)-3H-indol-1-ium chloride	550 nm 570 nm
Cy5	1-(5-carboxypentyl)-3,3-dimethyl-2-((1E,3E,5E)-5-(1,3,3-trimethylindolin-2-ylidene)penta-1,3-dienyl)-3H-indolium chloride	650 nm 670 nm
Alexa Fluor	e.g. Alexa Fluor 647, Alexa488, Alexa532, Alexa546, Alexa594, Alexa633, Alexa647	650 nm 668 nm (Alexa647)
Bodipy	e.g. Bodipy® FL	505 nm 511 nm
Dylight	e.g. DyLight 488, DyLight 550	493nm 518 nm (DyLight488)
Trp	Tryptophan	280 nm 360 nm
Lucifer Yellow (ethylene diamine)	6-Amino-2-(2-amino-ethyl)-1,3-dioxo-2,3-dihydro-1H-benzo[de]isoquinoline-5,8-disulfonic acid	430 nm 520 nm

Custom Fluorescent Peptide Solutions

Tailored to Your Research Needs

Whether you require fluorescent peptide synthesis for high-throughput screening, detailed protein interaction studies, or specific localization applications, JPT Peptide Technologies has you covered. Our team of experts will work closely with you to design and produce peptides that meet your exact specifications, including peptide purity levels ranging from crude up to >98% and optional modifications like phospho, biotin, dye labels, cyclization, conjugation, and stable-isotope labeling.

Applications of Fluorescent Peptides

Protein Binding Studies: Fluorescent peptides are widely used to investigate protein interactions, helping researchers understand binding affinities and specificities.
Localization Studies: By tagging peptides with fluorescent labels, scientists can visualize the distribution and dynamics of peptides within cells and tissues.
High-Throughput Screening: Our high-capacity synthesis capabilities allow for the production of tens of thousands of peptides per month, ideal for large-scale screening projects.

Advanced Fluorescent Labeling of Peptides

Our fluorescent labeling of peptides process ensures precise incorporation of various fluorophores, tailored to your experimental needs. This includes the incorporation of popular dyes like FITC, TAMRA, Cy3, Cy5, Alexa Fluor, and many others, each offering distinct advantages depending on your application requirements.

Contact Us for Your Fluorescent Peptide Needs

Discover the difference that high-quality, custom fluorescent peptides can make in your research. Contact JPT Peptide Technologies today to discuss your project and learn more about our comprehensive peptide synthesis services.