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Table 1 The number of GPCR genes in human, dog, mouse and rat.

From: The G protein-coupled receptor subset of the dog genome is more similar to that in humans than rodents

GPCR Family Total Number of GPCRs
  Dog Dog Pseudogenes Human Mouse Rat
Adhesion 37 1 33 30 30
Frizzled 11 0 11 11 10
Glutamate 22 0 22 22 22
Rhodopsin non-olfactory 267 12 284 320 297
Secretin 15 0 15 15 15
Taste 2 14# 5# 25§ 35§ 35§
V1R 8* 33* 5* 187* 106*
V2R 0* 9* 0* 121* 79*
Other GPCRs 18 0 18 19 19
  1. *[21]; # [27]; §[30]