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OFP

OFP (Ex-Max 543 nm/Em-Max 567 nm)

OFP is an tetrameric orange fluorescent protein derived from the tube anemones, Ceriantharia. It has an excitation peak at 543 nm and an emission peak at 567 nm.

Excitation & emission spectra

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Key facts

Excitation maximum
543 nm
Emission maximum
567 nm
Optimal laser line
532
Optimal filter
585/42

OFP has an excitation maximum at 543 nm and an emission maximum at 567 nm, a Stokes shift of 24 nm. It is optimally excited by the 532 laser line.

Frequently asked questions

What is OFP?
OFP is an tetrameric orange fluorescent protein derived from the tube anemones, Ceriantharia. It has an excitation peak at 543 nm and an emission peak at 567 nm.
What laser excites OFP?
OFP is optimally excited by the 532 laser line. Its excitation maximum is 543 nm.
What filter should I use to detect OFP?
A 585/42 filter captures the peak of the OFP emission near 567 nm with minimal spillover.