From: ProSplicer: a database of putative alternative splicing information derived from protein, mRNA and expressed sequence tag sequence data
Sequence type
Number of sequences
Number of exon candidates
Protein
44,184
26,115 (human)
442,077
279,656 (human)
18,069 (mouse)
162,421 (mouse)
mRNA
20,577
395,619
EST
2,246,699
12,361,685
Total
2,311,460
13,199,381