Table 1.

Summary of the structure of the AP2/ERF superfamily in pear, Chinese plum, Arabidopsis, grape, rice, cucumber, poplar, and soybean

Family	Subfamily	Group	Pear	Arabidopsis	Vitis vinifera	Poplar	Soybean	Chinese plum	Rice	Cucumber
AP2			26	18	20	26	26	20	29	20
ERF		Total	155	122	122	169	120	90	145	103
	DREB	Total	53	57	40	66	43	35	58	42
		I	8	10	5	5	9	5	9	5
		II	13	15	8	20	7	4	16	10
		III	23	23	22	35	21	20	27	20
		IV	9	9	5	6	6	6	6	7
	ERF	Total	101	65	82	103	77	55	87	61
		V	4	5	11	10	7	10	8	15
		VI	6	8	5	11	5	5	6	8
		VII	5	5	3	6	10	3	15	3
		VIII	10	15	11	17	12	10	15	11
		IX	37	17	40	42	21	18	18	16
		X	23	8	10	9	6	7	12	8
		VI-L	4	4	2	4	7	2	3
		Xb-L	12	3	0	4	7	0	10
RAV			9	6	6	6	2	5	5	4
Soloist			1	1	1	1		1	1	4
Total			191	147	149	202	148	116	180	131