Comparison of Gene Structures
| Human | Fly | Worm | Yeast | |
| Gene length(bp) | 4316 | 922 | 742 | 764 |
| CDS length (bp) | 541 | 524 | 520 | 498 |
| Number of exons | 5.3 | 2.5 | 3.0 | 1.6 |
| Exon length (bp) | 103 | 206 | 172 | 303 |
| Intron length (bp) | 888 | 258 | 110 | 413 |
[i] Genomic sequences (n = 60) corresponding to the region between the translation start and stop sites were analyzed.