Oyster 555
Oyster 550 (Ex-Max 551 nm/Em-Max 570 nm)
Oyster® 555 is a fluorophore with an excitation peak at 551 nm and an emission peak at 572 nm. Oyster 555 is similar to Alexa Fluor™ 555 and Cy3 in size, brightness and application.
Excitation & emission spectra
Key facts
- Excitation maximum
- 551 nm
- Emission maximum
- 572 nm
- Optimal laser line
- 561
- Optimal filter
- 586/25
- Relative brightness
- 2 of 5
- Extinction coefficient
- 150000
- Molecular weight
- 720
- Commercial antibodies
- 4 from 2 suppliers
Oyster 555 has an excitation maximum at 551 nm and an emission maximum at 572 nm, a Stokes shift of 21 nm. Its extinction coefficient is 150000 M⁻¹cm⁻¹. It is optimally excited by the 561 laser line.
Frequently asked questions
- What is Oyster 555?
- Oyster® 555 is a fluorophore with an excitation peak at 551 nm and an emission peak at 572 nm. Oyster 555 is similar to Alexa Fluor™ 555 and Cy3 in size, brightness and application.
- What laser excites Oyster 555?
- Oyster 555 is optimally excited by the 561 laser line. Its excitation maximum is 551 nm.
- What filter should I use to detect Oyster 555?
- A 586/25 filter captures the peak of the Oyster 555 emission near 572 nm with minimal spillover.
- How bright is Oyster 555?
- Oyster 555 has a relative brightness of 2 out of 5.
- How many antibodies are available conjugated to Oyster 555?
- FluoroFinder tracks 4 commercially available Oyster 555 conjugates, searchable by target, clone, host and application.