Genscan | Grail | Fgenes | Transcript- | Protein- | Unconfirmed |
---|
 |  |  | confirmed | supported | exons |
---|
 |  |  | exons | exons |  |
---|
• |  |  | 25,619 | 2,890 | 45,025 |
 | • |  | 52,644 | 14,685 | 434,409 |
 |  | • | 7,791 | 796 | 257,676 |
• | • |  | 17,841 | 3,761 | 28,556 |
 |  | • | 13,915 | 1,711 | 11,628 |
 | • | • | 3,990 | 450 | 49,420 |
• | • | • | 53,566 | 9,871 | 20,569 |
Total exons | Â | Â | 175,366 | 34,164 | 847,283 |
- Three gene prediction programs, Genscan [93], Fgenes [94] and Grail1.3 [95] were used to screen individual genomic contigs. Exons consistently predicted by more than one program are merged into a unique exon index, which is then compared to transcript- and protein-based exons in complete ORFs. Transcript-confirmed exons, overlapping of predicted exons with transcript-based exons; protein-supported exons, predicted exons have at least strong protein homology (E < 10-15); unconfirmed exons, predicted exons have no overlap with transcripts nor protein homology.