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Nonclassical SNAPFL analogue as a Cy5 resonance energy transfer partner.


ABSTRACT: We have synthesized a new SNAPFL analogue (1) that exhibits a large Stokes shift (78 nm) (abs. 542 nm, em. 620 nm) and a good quantum yield. Because of the large overlap between the emission spectrum of 1 and the absorption spectrum of Cy5, 1 functions well as a fluorescence donor to Cy5 and has been used in FRET-based experiments using estrogen receptor site-specifically labeled with Cy5 and a receptor ligand conjugated to SNAPFL.

SUBMITTER: Kim SH 

PROVIDER: S-EPMC2787200 | BioStudies | 2008-01-01

REPOSITORIES: biostudies

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