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mKate

mKate (Ex-Max 584 nm/Em-Max 630 nm)

<html>mKate is a monomeric red fluorescent protein with excitation and emission maximums of 588 nm and 635 nm, respectively. mKate was first derived from <i>Entacmaea quadricolor.</i></html>

Excitation & emission spectra

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Key facts

Excitation maximum
588 nm
Emission maximum
635 nm
Optimal laser line
561
Optimal filter
630/69
Extinction coefficient
45000
Quantum yield
0.33

mKate has an excitation maximum at 588 nm and an emission maximum at 635 nm, a Stokes shift of 47 nm. Its extinction coefficient is 45000 M⁻¹cm⁻¹. It is optimally excited by the 561 laser line.

Frequently asked questions

What is mKate?
<html>mKate is a monomeric red fluorescent protein with excitation and emission maximums of 588 nm and 635 nm, respectively. mKate was first derived from <i>Entacmaea quadricolor.</i></html>
What laser excites mKate?
mKate is optimally excited by the 561 laser line. Its excitation maximum is 588 nm.
What filter should I use to detect mKate?
A 630/69 filter captures the peak of the mKate emission near 635 nm with minimal spillover.