Table 2

Cytochrome P-450s: Homology of the nucleotide and deduced amino acid sequences between human and various animal species

Isozyme	Human	Crab-eating monkey	Marmoset	Dog	Rabbit	Hamster	Rat	Mouse
1A1	100	95	—	84	81	79	81	82
	100	94	—	82	77	77	79	80
1A2	100	—	89	84	83	80	80	79
	100	—	86	82	78	73	75	73
2C	100	96	89	73	81	79	79	—
	100	92	79	68	76	80	74	—
2D	100	—	90	—	—	76	79	74
	100	—	90	—	—	73	78	70
2E1	100	96	93	—	81	80	80	79
	100	94	89	—	79	78	80	77
3A	100	96	92	82	80	74	77	81
	100	93	87	77	74	68	71	76

Upper value, nucleotide sequence (% homology); lower value, deduced amino acid sequence (% homology); —, not known. In the 2C, 2D, and 3A gene subfamilies, the values indicate percentage of pairs that showed the highest identity among the multigene family. Data excerpted from Kamataki (1995).