Phylogenetically widespread alternative splicing at unusual GYNGYN donors

Table 4 GTNGTN, GTNGCN and GCNGTN donors in eight investigated species

Species	Number of donors*	GTNGTN				GTNGCN and GCNGTN
		Observed		Confirmed		Observed		Confirmed
H. sapiens	165,295	4,152	2.51%^†	81	1.95%^‡	4,398	2.66%^§	29	0.66%^¶
M. musculus	125,332	3,188	2.54%	49	1.54%	3,237	2.58%	12	0.37%
R. norvegicus	53,631	1,424	2.66%	12	0.84%	1,440	2.69%	3	0.21%
G. gallus	19,793	554	2.80%	1	0.18%	553	2.79%	2	0.36%
D. rerio	29,091	619	2.13%	5	0.81%	699	2.40%	1	0.14%
D. melanogaster	40,811	1,274	3.12%	19	1.49%	1,906	4.67%	5	0.26%
C. elegans	92,938	3,195	3.44%	26	0.81%	2,838	3.05%	1	0.04%
A. thaliana	112,684	3,541	3.14%	36	1.02%	2,091	1.86%	8	0.38%

*Total number of all unique donor sites annotated in RefSeq transcripts; for A. thaliana total number of unique donor sites based on the CDS feature annotation of GenBank. ^†Number of observed GTNGTNs/number of all donors. ^‡Number of confirmed GTNGTNs/number of observed GTNGTNs. ^§Number of observed GTNGCNs and GCNGTNs/number of all donors. ^¶Number of confirmed GTNGCNs and GCNGTNs/number of observed GTNGCNs and GCNGTNs.

ISSN: 1474-760X