TABLE 4

Subdivision of Rhodopsin GPCRs

The classification is according to Fredriksson et al. (2003c). The numbers in parentheses in the human column shows the number of GPCRs from each group as published in Fredriksson et al. (2003c).

H. sapiensM. musculusD. reiroT. rubripesC. intestinalisC. elegansD. melanogasterA. gambiae
AMIN (α group) 44 (42) 57 122 28 23 20 21 18
MEC (α group) 18 (22) 23 35 11 17 1 1 2
MTN (α group) 3 (3) 2 6 3 3 2 2
OPN (α group) 11 (9) 6 31 21 3 1 8 12
PTGER (α group) 13 (15) 11 22 13 2
PEP (β group) 43 (35) 43 67 32 16 31 21 29
CHEM (γ group) 43 (42) 51 77 23 7
MCHR (γ group) 1 (2) 1 4
SOG (γ group) 10 (15) 15 34 9 18 10 5 3
LGR (δ group) 7 (8) 8 8 3 36 1 4 3
MRG (δ group) 7 (8) 22
OLF (δ group) 494 (347) 789 31 20
PUR (δ group) 35 (42) 49 80 26
Unclassified 20 (17) 32 74 35 26 60 17 8
Total 749 (607) 1109 591 224 151 124 79 77