Extended Data Table 1 1H-NMR data of myxol and zeaxanthin in CDCl3

From: Carotenoids bind rhodopsins and act as photocycle-accelerating pigments in marine Bacteroidota

Protons

Zeaxanthin

Myxol

Protons

Zeaxanthin

Myxol

2α

1.77 md

1.77 md

2’

 

4.00 dd

2β

1.48 dd

1.48 dd

2’-OH

 

2.08 d

3

4.00 m

4.00 dd

3’

 

5.71 dd

3-OH

1.37 d

1.37 d

4’

 

6.41 d

4α

2.39 dd

2.39 dd

6’

 

6.21 d

4β

2.05 dd

2.05 dd

7’

 

6.58 d

7

6.11

6.11

8’

 

6.39 d

8

6.16 d

6.16 d

10’

 

6.19 d

10

6.16 d

6.16 d

11’

 

6.63 m

11

6.63 m

6.63 m

12’

 

6.39 d

12

6.36 d

6.36 d

14’

 

6.28 d

14

6.26 d

6.26 d

15’

 

6.63 m

15

6.63 m

6.63 m

16’

 

1.242 s

16

1.073 s

1.074 s

17’

 

1.181 s

17

1.073 s

1.074 s

18’

 

1.927 s

18

1.738 s

1.738 s

19’

 

1.979 s

19

1.969 s

1.972 s

20’

 

1.987 s

20

1.974 s

1.972 s

 
  1. Chemical shifts, δ (ppm) and multiplicity (d, doublet; m, multiplet; s, singlet).
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