Table 1. Conserved AS across nine species at the gene family level.

Number of Species	AltA	AltD	ATE	ExonS	IntronR	Total/%
2	1384	684	201	335	4128	6732/68.7
3	447	181	32	69	1099	1828/18.6
4	218	112	6	26	351	713/7.3
5	117	36	2	21	109	285/2.9
6	58	29	0	10	52	149/1.5
7	22	12	0	3	32	69/0.7
8	7	3	0	4	7	21/0.2
9	2	2	0	1	2	7/0.1
Total/%	2255/23.0	1059/10.8	241/2.5	469/4.8	5780/59.0	9804

Percentage is based on total number of conserved AS clusters.