...genetically-encoded nuclear Cry2 fusion can thus direct a CIB1-protein fusion to the nucleus upon light activiation... An optogenetics procedure. A channelrhodopsin, fused to mCherry, is expressed in neurons (red dots). ...point mutations, codon optimization, and chimeric fusion of domains from two different ChRs. These ChR variants... given protein, such as the Cre recombinase, is fused to Cry2 and the other half to CIB1, light-stimulated... transcription factors, where Cry2 and CIB1 are fused to a transcriptional activation domain and DNA binding..., both LOV and Dronpa can control activity of a fused protein through allosteric interactions. Researchers...cryptochrome 2 (Cry2) from Arabidopsis thaliana is fused to truncated forms of cytosolic STIM1 to control...