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2014 ; 64
(ä): 17.16.1-20
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Tools for controlling protein interactions using light
#MMPMID25181301
Tucker CL
; Vrana JD
; Kennedy MJ
Curr Protoc Cell Biol
2014[Sep]; 64
(ä): 17.16.1-20
PMID25181301
show ga
Genetically encoded actuators that allow control of protein-protein interactions
using light, termed 'optical dimerizers', are emerging as new tools for
experimental biology. In recent years, numerous new and versatile dimerizer
systems have been developed. Here we discuss the design of optical dimerizer
experiments, including choice of a dimerizer system, photoexcitation sources, and
the coordinate use of imaging reporters. We provide detailed protocols for
experiments using two dimerization systems we previously developed, CRY2/CIB and
UVR8/UVR8, for use in controlling transcription, protein localization, and
protein secretion using light. Additionally, we provide instructions and software
for constructing a pulse-controlled LED device for use in experiments requiring
extended light treatments.