Table 1.

Distribution of 3983 OR sequences, total CPs and species-specific CPs according to species

Species	Number of ORs	Number of observed CPs	Number of species-specific CPs	Percentage of species-specific CPs
pufferfish	44	193	11	5.7%
zebrafish	97	352	60	17.0%
Frog	409	1179	143	12.1%
Lizard	120	945	17	1.8%
Chicken	78	644	15	2.3%
Platypus	250	1406	26	1.8%
Opossum	846	2030	48	2.4%
Dog	814	2083	40	1.9%
Mouse	978	2179	66	3.0%
Human	391	1889	8	0.4%