Licensing opportunities: photoactivatable fluorescent proteins
- Light-induced high-contrast photoconversion
- Easy detection by flow cytometry or fluorescence microscopy
- No cofactors, substrates, or chemical staining required
- Suitability for long-term tracking of cellular events
Available proteins
| CHARACTERISTIC |
PS-CFP2 | PA-TagRFP |
* Brightness is a product of extinction coefficient and quantum yield, divided by 1000.
Ext.coeff. – extinction coefficient. |
 |
|
|
|
|
| Fluorescence color | cyan / green |
NO / red |
| Excitation max (nm) | 400 / 490 |
- / 562 |
| Emission max (nm) | 468 / 511 |
- / 595 |
| Quantum yield | 0.2 / 0.23 |
nd / 0.38 |
| Ext. coeff. (M-1cm-1) | 43 000 / 47 000 |
nd / 66 000 |
| Brightness* | 8.6 / 10.81 |
0 / 25.1 |
| Activating light | UV-violet (e.g. 405 nm) |
UV-violet (e.g. 390-420 nm) |
| Calculated contrast, fold | up to 2000 |
~540 |
| Structure | monomer |
monomer |
| Cell toxicity | not observed |
not observed |
| Aggregation | no |
no |
| Maturation rate at 37°C | fast |
fast |
| Molecular weight (kDa) | 27 |
27 |
Evaluation of the technologies is easily available by purchase of the related research use product. Please see "Notice to Purchaser" section for the product of your interest for details.
For license information please contact Evrogen by e-mail at license@evrogen.com.
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