Table 2. Comparison of copy numbers of HSP40 genes among selected vertebrate genomes.

	Gene	Human	Chicken	Frog	Zebrafish	Catfish	Medaka	Tilapia	Fugu
Type I	Dnaja1	1	1	1	1	1	1	1	0
	Dnaja2	1	1	1	2	2	2	2	2
	Dnaja3	1	1	1	2	2	2	2	2
	Dnaja4	1	1	2	1	1	1	1	1
	Subtotal	4	4	5	6	6	6	6	5
Type II	Dnajb1	1	0	1	2	2	2	2	2
	Dnajb2	1	1	1	1	1	1	1	1
	Dnajb3	1	0	0	0	0	0	0	0
	Dnajb4	1	1	1	1	1	1	1	1
	Dnajb5	1	1	1	2	2	2	2	3
	Dnajb6	1	1	2	2	2	2	2	2
	Dnajb7	1	0	0	0	0	0	0	0
	Dnajb8	1	1	0	0	0	0	0	0
	Dnajb9	1	1	1	3	3	2	3	1
	Dnajb11	1	1	1	1	1	2	1	1
	Dnajb12	1	1	1	3	2	2	2	2
	Dnajb13	1	1	1	1	1	1	1	1
	Dnajb14	1	1	1	1	1	2	1	1
	Subtotal	13	10	11	17	16	17	16	15
Type III	Dnajc1	1	1	1	1	1	1	1	1
	Dnajc2	1	1	1	1	1	1	1	1
	Dnajc3	1	1	1	2	2	2	2	2
	Dnajc4	1	0	1	1	1	1	1	1
	Dnajc5	3	1	2	5	3	2	1	2
	Dnajc6	1	1	1	1	1	1	1	1
	Dnajc7	1	1	1	2	1	2	2	2
	Dnajc8	1	1	1	1	1	1	1	1
	Dnajc9	1	1	1	1	1	1	1	1
	Dnajc10	1	1	1	1	1	1	1	1
	Dnajc11	1	1	1	2	1	2	2	2
	Dnajc12	1	1	1	1	1	1	1	1
	Dnajc13	1	1	1	1	1	1	1	1
	Dnajc14	1	1	1	1	1	1	1	1
	Dnajc15	1	1	1	1	1	1	1	0
	Dnajc16	1	1	1	2	2	2	2	2
	Dnajc17	1	1	1	1	1	1	1	1
	Dnajc18	1	1	1	1	1	1	1	1
	Dnajc19	1	1	1	1	1	1	1	1
	Hscb(Dnajc20)	1	1	1	1	1	1	1	1
	Dnajc21	1	1	1	1	1	1	1	1
	Dnajc22	1	1	1	1	1	1	1	1
	Dnajc23	1	1	1	1	1	1	1	1
	Dnajc24	1	1	1	1	1	1	1	1
	Dnajc25	1	1	1	1	1	1	1	1
	Dnajc26	1	1	1	1	1	1	1	1
	Dnajc27	1	1	1	1	1	1	1	1
	Dnajc28	1	1	1	1	1	1	1	1
	Dnajc29	1	1	1	1	1	1	1	1
	Dnajc30	1	1	1	2	2	1	1	2
	Subtotal	32	29	31	39	35	35	34	35
	Total	49	43	47	62	57	58	56	55