Table 1 Summary of key results presented in this study.

From: Synthetic retinal analogues modify the spectral and kinetic characteristics of microbial rhodopsin optogenetic tools

 

ATR

II

III

IV

V

VI

VII

VIII

IX

  

ChR2(H134R)

480

400–520

436

436

436

436

C. elegans

Action maximum (nm)

 

465

475

    

450

460

460

HEK

 
 

580

850

770

590

3163

4980

C. elegans

τrelax (ms)

 

18

97

    

26

217

753

HEK

τoff (ms)

 

+++

+++

+

++

++++

+

C. elegans

Effect strength

 

+++

+

    

++

++

++++

HEK

 

Arch3

568

580

    

480

520

C. elegans

Action maximum (nm)

 

560

    

500

530

HEK

 
 

+++

+

    

++

++

C. elegans

Effect strength

 

+

    

+

++

HEK

 

Mac

540

540/580

    

540

440–540

568

C. elegans

Action maximum (nm)

 

+++

++

    

++

+

C. elegans

Effect strength

ChR2(HR/TC)

480

520

  

436

 

436

  

C. elegans

Action maximum (nm)

ChR2(TC)

436

400–580

  

436

 

436

  

C. elegans

Action maximum (nm)

C1V1

540

       

C. elegans

Action maximum (nm)

  1. ATR, all-trans retinal; C. elegans, Caenorhabditis elegans; ChR2, channelrhodopsin-2.