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Table 1 The human, rat and mouse GPCR family repertoires

From: The G protein-coupled receptor subset of the rat genome

  Human Rat Mouse
GPCR Family Full- length Pseudo- genes Pseudo- genes (%) New full- length New pseudo- genes Full- length Pseudo- genes Partial Pseudo- genes (%) New full- length New pseudo- genes Full- length Pseudo- genes Partial Pseudo- genes (%) New1 full- length New1 pseudo- genes
Adhesion 33 2 6% 0 2 26 1 4 3% 0 2 30 1   3% 0 0
Frizzled 11 0 0% 0 0 10 1   9% 0 0 11 0   0% 0 0
Glutamate 22 0 0% 0 0 22 0   0% 0 0 22 0   0% 0 0
-V2R subgroup 1 11 92% 1 11 108 87 2 45% 23 53 111 183 1 62% 21 63
Rhodopsin 284 27 9% 0 1 297 7 4 2% 5 0 320 23   7% 3 NA*
-OR subgroup 388 479 55% 0 12 1234 552 28 31% 1234 552 1081 325 1 23% NA* NA*
Secretin 15 0 0% 0 0 15 0   0% 0 0 15 0   0% 0 0
Taste2 25 10 29% 0 0 35 6   15% 0 0 35 5   13% 0 0
Vomeronasal1 5 53 91% 0 53 105 84   44% 12 76 145 164   53% 17 92
Other GPCRs" 15 1 6% 0 1 15 1   14% 1 0 13 1   7% 1 0
Total 799 583   1 133 1867 739 38   1276 759 1783 702 2   43 247
  1. The human, rat and mouse GPCR families; their numbers of full-length, pseudogene and partial members; as well as the number of new members identified in this study. GPCR gene sequences were defined as new if their sequence was not available in a public database annotated as a GPCR. *No figure could not be calculated.