Table 2.

Frequency of predicted canonical and non-canonical donor splice sites. Splice site occurrences are based on existing gene models predictions for Trema orientalis, Parasponia andersonii, Lotus japonicus, Medicago truncatula and Arabidopsis thaliana

	T. orientalis		P. andersonii		M.truncatula		L. japonicus		A. thaliana
Splice motif	Total	%	Total	%	Total	%	Total	%	Total	%
GT-AG	102,107	98.09%	100,852	98.36%	213,612	95.94%	148,570	97.99%	159,839	98.80%
GC-AG	537	0.52%	567	0.55%	8962	4.03%	2193	1.45%	1742	1.08%
AT-AC	13	0.01%	14	0.01%	79	0.04%	656	0.43%	90	0.06%
GA-AG	11	0.01%	8	0.01%	0	0.00%	6	0.00%	14	0.01%
Others	1426	1.37%	1096	1.07%	0	0.00%	190	0.13%	89	0.06%
Canonical	102,107	98.09%	100,852	98.36%	213,612	95.94%	148,570	97.99%	159,839	98.80%
Non-canonical	1987	1.91%	1685	1.64%	9041	4.06%	3045	2.01%	1935	1.20%
Grand Total	104,094	100.00%	102,537	100.00%	222,653	100.00%	151,615	100.00%	161,774	100.00%