General Information of This Optogenetic System (OS)
OS ID
OS00518
OS Name
Photoactivated GAL4 by BphP1 system (PA-GAL4-BphP1)
[1]
Photoreceptor (PR)
PR Info
PR Name
Bacterial phytochrome photoreceptors 1 (Bphp1)
Source of Species
Rhodopseudomonas palustris
Class
Phytochromes
UniProt ID
A0A161I5N6
GenBank
1569047741
PDB ID
5OY5
3D Structure
Components
Photoreceptor: Bacterial phytochrome photoreceptors 1 (Bphp1)
Complementary Protein: Minimal BphP1-interacting module from PpsR2 with 17-kDa molecular mass (Q-PAS1)
Cofactor: Biliverdin (BV)
Complementary Protein Minimal BphP1-interacting module from PpsR2 with 17-kDa molecular mass (Q-PAS1)
Cofactor Biliverdin (BV)
Controlled Protein Functional protein Bacterial phytochrome photoreceptors 1
Detail Info
Recruited protein Regulatory protein Gal4
Detail Info
Virus protein 16
Detail Info
OS Application Information (1)
Mechanism of Action BphP1-Q-PAS1 heterodimerization [ 1]
Controlled Signal Pathway GAL4 translocation to inhibit gene expression
Effect Inhibition
Application Transcription inhibition by Q-PAS1 relocalization to plasma membrane and disruption of DNA binding
Note Q-PAS1 is three fold smaller than PpsR2 and lack oligomerization
Light Information Activation Wavelength 740 nm
Process Reversible
Deactivation Wavelength Dark
Activation Time 30 s
Deactivation Time 180 s
Light Intensity 0.2 milliwatts per square centimeter
Expression Information Expression Method Transfection
Cell Lines Hela cells
References
1 Near-infrared optogenetic pair for protein regulation and spectral multiplexing