Abbreviation | Term | Early reference | Definition |
---|---|---|---|
UCR | Ultraconserved region | [26] | ≥200 bp 100% conserved between human and mouse |
 |  | [5] | Nontranscribed, ≥50 bp ≥95% conserved between human and mouse, and at least partially aligned to fugu |
UCE | Ultraconserved element | [89] | ≥100 bp 100% conserved between human and mouse |
CNS | Conserved noncoding sequence | [90] | Nongenic, human:mouse, >100 bp and with ≥70% identity |
CNE | Conserved noncoding element | [6] | Nontranscribed, >100 bp human:fugu alignments with MegaBlast |
HCNR | Highly conserved noncoding region | [7] | Visual inspection of mouse: Xenopus:zebrafish alignments |
 |  | [91] | Same as [5] |
HCNE | Highly conserved noncoding element | [28] | Windows ≥50 bp that do not overlap coding regions and for which the probability of being under purifying selection, given the conservation score, is ≥95% |
CNC | Conserved noncoding region (?) | [38] | Â |
CNG | Conserved nongenic sequence | [92] | Nontranscribed, human:mouse BLAST with an e-value < 10-20 and similarity ≥98% |
HCE | Highly conserved element | [46] | UCE from Bejerano et al. [26] + UCR from Sandelin et al. [5] + UCR from Sandelin et al. [5] + CNE from Woolfe et al. [6] |