Development of a split SNAP-tag protein complementation assay for visualization of protein-protein interactions in living cells - PubMed (original) (raw)
. 2012 Oct 21;137(20):4760-5.
doi: 10.1039/c2an35762c.
Affiliations
- PMID: 22910969
- DOI: 10.1039/c2an35762c
Development of a split SNAP-tag protein complementation assay for visualization of protein-protein interactions in living cells
Masayasu Mie et al. Analyst. 2012.
Abstract
A split SNAP-tag protein complementation assay was developed for visualization of protein-protein interactions in living cells. Split SNAP-tagμs, fragments of divided SNAP-tag between amino acid residues 91 and 92, were fused to proteins that can interact with each other. After incubation with a fluorescent SNAP-tag substrate, cells that expressed split SNAP-tag fusion proteins generated fluorescent signals when these proteins interacted. Moreover, by combination with the split CLIP-tag (SNAP-tag mutant), simultaneous labeling was achieved. This split SNAP-tag labeling method should be a useful tool for visualization of protein-protein interaction processes.
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