Table 1 Sequence alignments in GPCR-ModSim indicate squid rhodopsin has the greatest identity to Tre1 ⁺ and Tre1 ^sctt

1U19 – bovine rhodopsin

14.3

14.1

2RH1 – human β ₂ -adrenergic receptor

15.1

14.6

2VT4 – turkey β ₁ -adrenergic receptor

14.8

14.3

2Z73 – squid rhodopsin *

17.4

16.7

3EML – human A_2A-adenosine receptor

14.0

13.5

3ODU – human chemokine receptor 4

16.3

14.8

3PBL – human D₃ dopamine receptor

16.1

15.9