Custom FRET Peptides Labeling
Bio-Synthesis offers variety of FRET peptide labeling...

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FRET pair combinations
Donor   Reptor
ABZ   DNP
DANSYL   Tyr (NO2), FAM
FAM   TMR
EDANS   DABCYL or DABSYL
Common FRET Labels and their abbreviations
Abbreviation   Label Name
ABZ   O-aminobenzoic acid
DNP   dinitrophenyl
DANSYL   4[(4-dimethylamino)phenyl]-azo)benzoic acid
DABCY   4-(dimethylamino)azobenzene-4'-carboxylic acidL
EDANS   5-(2-aminoethylamino)-1-naphthalenesulfonic acid
FAM   5- or (6)carboxytetramethylrhodamine
TMR   5- or 5(6)-carboxytetramethylrhodamine
Tyr(NO2)   Nitro-Tyrosine
Also available for Staple Isotope, Amine Reactive Labeling Pepitdes