Below is a list of Ultraconserved Genomic Regulatory Blocks (UGRBs) that reside on the chromosome chr21 in the Human genome (hg19 assembly).
| Cluster name | Cluster ID | Position | #UCNEs | Associated genes | UCNEs forming the cluster |
|---|---|---|---|---|---|
| NRIP1_cluster | 330 | chr21:16375835-16424348 | 3 | NRIP1; | show |
| OLIG2_cluster | 332 | chr21:34291133-34468399 | 5 | C21orf54; C21orf62; OLIG1; OLIG2; | show |