Better Dyeing Through Chemistry & Small Molecule Fluorophores
Type
Blog Post
Published
Sept. 8, 2016, 2:30 p.m.
...concept include:
Self-labeling tags (e.g., SNAP-tag, HaloTag, TMP-tag) – These widely used systems consist...strategies have two parts: (1) a genetically encoded “tag” expressed as a fusion with your favorite protein...fluorophore-contianing “ligand” that binds to the tag. Like most good ideas in biological imaging, the ...genetically encoded tetracysteine (Cys4) peptide tag could be used to label proteins in cells (Figure ...consist of a genetically encoded enzyme variant tag that reacts specifically and irreversibly with a small... attachment of a fluorophore ligand to a peptide tag (Figure 1c).
Click chemistry (e.g., transcyclooctene–tetrazine...paclitaxel. Unlike other systems, no genetically encoded tag is required as the small-molecule binding motif targets...