General Information of This Optogenetic System (OS)
OS ID
OS00278
OS Name
Tamoxifen-gated photoactivatable split-Cre recombinase optogenetic system (TamPA-Cre)
[1]
Photoreceptor (PR)
PR Info
PR Name
Negative Magnet (nMag)
Source of Species
Neurospora crassa
Class
LOV domain
3D Structure
Components
Photoreceptor: Negative Magnet (nMag)
Complementary Protein: Positive Magnet (pMag)
Cofactor: Flavin adenine dinucleotide (FAD)
Complementary Protein Positive Magnet (pMag)
Cofactor Flavin adenine dinucleotide (FAD)
Controlled Protein Fusion protein CreN means N terminal of Cre recombinase and CreC means C terminal of Cre recombinase
Detail Info
Estrogen receptor ligand binding domain ERT2
Detail Info
Recruited protein CreN means N terminal of Cre recombinase and CreC means C terminal of Cre recombinase
Detail Info
OS Application Information (1)
Mechanism of Action nMag-pMag heterodimerization [ 1]
Controlled Signal Pathway Tamoxifen dependent gene activation
Effect Activation
Application Specifically control localized CAR expression and subsequently T cell activation
Note Tamoxifen (500 nM) needed at the same time to activate the switch
Light Information Activation Wavelength 473 ± 29 nm
Process Reversible
Deactivation Wavelength Dark
Activation Time Seconds
Deactivation Time Seconds to Minutes
Light Intensity 5 watts per square meter
Expression Information Expression Method Transduction and Transfection
Cell Lines CAR reporter jurkat T cells lines and HEK293T cells
References
1 An AND-Gated Drug and Photoactivatable Cre-loxP System for Spatiotemporal Control in Cell-Based Therapeutics