Table 1 Fluorescence lifetimes (ns) of 7AW and corresponding amplitudes in the 7aza-W104/W64F mutant (no FAD present), and the 7aza-W104/W64Fmutant (FAD present) in the dark- and light-adapted states.

From: Functional dynamics of a single tryptophan residue in a BLUF protein revealed by fluorescence spectroscopy

7azaTrp-W64F/W104

τ1

α1

τ2

α2

τ3

α3

τaverage

reference

apoprotein

0.4

0.2

4.1

0.3

16.2

0.4

8.7

this work

holoprotein dark

1.1

0.4

4.4

0.3

16

0.3

6.8

this work

holoprotein light

1.3

0.4

3.5

0.3

14.7

0.2

5.2

this work

canonical Trp

0.2–0.9

 

1.2–3.6

 

3.7–9.2

  

47