From: Functionally conserved enhancers with divergent sequences in distant vertebrates
 | Rodent | Bird | Fish |
---|---|---|---|
Intra-group conserved regions genome-wide | 350,003 | 178,982 | 394,456 |
Conserved noncoding regions (ECR) in orthologous introns | 6,390 | 4,079 | 5,044 |
Intra-group intronic ECRs not conserved in other groups | 4,814 | 2,904 | 3,625 |
ECRs located in introns with ECRs in all groups of species | 1,415 | 1,220 | 1,447 |
overlapping with H3K4me1 but not H3K4Me3 | 728 | (n/a) | 273 |