Table 1. Counts of non-canonical termini evidenced by alternative splicing evidence (from Ensembl) or by alternative translation (from TISdb).

		Non-canonical termini
Terminus type	Biological process	Human	Mouse	SUM
N-termini	Alternative splicing	3141	1390	4531
	Alternative translation	439	1437	1876
C-termini	Alternative splicing	8229	3849	12 078
	Alternative translation	0	0	0
Total		11 809	6676	18 485