Article
Engineering a switch-based biosensor for arginine using a Thermotoga maritima periplasmic binding protein.
Analytical biochemistry - 15 May 2017
Donaldson Teraya, Iozzino Luisa, Deacon Lindsay J, Billones Hilbert, Ausili Alessio, D'Auria Sabato, Dattelbaum Jonathan D
Abstract excerpt
The Thermotoga maritima arginine-binding protein (TmArgBP) has been modified to create a reagentless fluorescent protein biosensor. Two design methods for biosensor construction are compared: 1) solvent accessibility of environmentally-sensitive probes and 2) fluorescence deactivation due to photo-induced electron transfer (PET). Nine single cysteine TmArgBP mutants were created and labeled with three different...
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