Table 5.

Analysis of AS types in ECgene

Genes	Human	Mouse	Rat
Alternatively spliced genes	21,266	17,706	8699
with 5′ donor splice site variation	10,471 (49%)	7994 (45%)	2570 (30%)
with 3′ acceptor splice site variation	10,813 (51%)	8019 (45%)	2851 (33%)
with exon-skipping event	13,175 (62%)	9687 (55%)	3833 (44%)
with intron retention event	2895 (14%)	1998 (11%)	212 (2%)
with multiple transcription start sites	6473 (30%)	5486 (31%)	1780 (20%)
with multiple transcription termination sites	15,528 (73%)	12,805 (72%)	4872 (56%)
with multiple polyadenylation sites	14,835 (70%)	9123 (52%)	3524 (41%)