| ID | Type | Location (GRCh37) | Location (GRCh38) | Length | GC content |
|---|---|---|---|---|---|
| hsa_CNTRL_0017500 | Exon-Exon | chr9:123921133-123937502 | chr9:121158855-121175224 | 2190 nt | 0.4452 |
| hsa_CNTRL_0018000 | Exon-Exon | chr9:123922421-123924549 | chr9:121160143-121162271 | 494 nt | 0.3907 |
| hsa_CNTRL_0018300 | Exon-Exon | chr9:123924134-123924549 | chr9:121161856-121162271 | 334 nt | 0.4222 |
| hsa_CNTRL_0018400 | Exon-Exon | chr9:123924134-123928458 | chr9:121161856-121166180 | 566 nt | 0.4170 |
| hsa_CNTRL_0018500 | Exon-Exon | chr9:123924134-123933826 | chr9:121161856-121171548 | 1328 nt | 0.4526 |
| hsa_CNTRL_0018800 | Exon-Exon | chr9:123924332-123924549 | chr9:121162054-121162271 | 218 nt | 0.4312 |
| hsa_CNTRL_0019600 | Exon-Exon | chr9:123929767-123932094 | chr9:121167489-121169816 | 621 nt | 0.4734 |
| hsa_CNTRL_0019700 | Exon-Exon | chr9:123929767-123937502 | chr9:121167489-121175224 | 1299 nt | 0.4642 |
| hsa_CNTRL_0020300 | Intron-Exon-Intron | chr9:123933437-123933826 | chr9:121171159-121171548 | 390 nt | 0.4590 |
| hsa_CNTRL_0020400 | Exon-Exon | chr9:123933686-123935787 | chr9:121171408-121173509 | 408 nt | 0.4191 |
A study in human peripheral whole blood samples selected the circCNTRL for validation using RT-qPCR, but it was excluded from the final age prediction model due to failed primer design [Wang et al. DOI:10.3389/fgene.2022.1031806].