Efficient, Traceless Semi-Synthesis of ?-Synuclein Labeled with a Fluorophore/Thioamide FRET Pair.
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ABSTRACT: We have shown that thioamides can be incorporated into proteins through semi-synthesis and used as probes to monitor structural changes. To date, our methods have required the presence of a cysteine at the peptide ligation site, which may not be present in the native peptide sequence. Here, we present a strategy for the semi-synthesis of thioproteins using homocysteine as a ligation point with subsequent masking as methionine, making the ligation "traceless."
SUBMITTER: Wissner RF
PROVIDER: S-EPMC4755331 | biostudies-literature | 2013 Nov
REPOSITORIES: biostudies-literature
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