| ID | Type | Location (GRCh37) | Location (GRCh38) | Length | GC content |
|---|---|---|---|---|---|
| hsa_CNTRL_0000100 | Intergenic-Exon | chr9:123815605-123900957 | chr9:121053327-121138679 | 250 nt | 0.3720 |
| hsa_chr9_0138700 | Intergenic-Intergenic | chr9:123842071-123842308 | chr9:121079793-121080030 | 238 nt | 0.4706 |
| hsa_CNTRL_0000500 | Exon-Exon | chr9:123842584-123858841 | chr9:121080306-121096563 | 142 nt | 0.3521 |
| hsa_CNTRL_0000600 | Exon-Exon | chr9:123842584-123860850 | chr9:121080306-121098572 | 240 nt | 0.4583 |
| hsa_CNTRL_0000400 | Exon-Exon | chr9:123842584-123870273 | chr9:121080306-121107995 | 1206 nt | 0.3831 |
| hsa_CNTRL_0000700 | Exon-Exon | chr9:123842584-123876002 | chr9:121080306-121113724 | 343 nt | 0.3848 |
| hsa_CNTRL_0000800 | Exon-Exon | chr9:123842584-123877478 | chr9:121080306-121115200 | 167 nt | 0.3653 |
| hsa_CNTRL_0000300 | Exon-Exon | chr9:123842584-123886362 | chr9:121080306-121124084 | 2008 nt | 0.3855 |
| hsa_CNTRL_0001000 | Exon-Exon | chr9:123842586-123852683 | chr9:121080308-121090405 | 137 nt | 0.3650 |
| hsa_CNTRL_0000900 | Exon-Exon | chr9:123842586-123877478 | chr9:121080308-121115200 | 1657 nt | 0.3802 |
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].