
Relationships among the genes and exons annotated by TWINSCAN, GENSCAN, and aligned RefSeq transcripts. (A) Number of genes annotated by RefSeq, TWINSCAN, and GENSCAN, and number of exact matches among them. RefSeq and TWINSCAN contain 1,791 identical genes, RefSeq and GENSCAN contain 1,115, TWINSCAN and GENSCAN contain 2,809, and the intersection of all three sets contains 670. (B) Number of unique coding exons annotated by RefSeq, TWINSCAN, and GENSCAN, and number of exact matches among them. RefSeq and TWINSCAN contain 80,530 identical exons, RefSeq and GENSCAN contain 77,442, TWINSCAN and GENSCAN contain 134,507, and the intersection of all three sets contains 67,320.











