| ID | Type | Location (GRCh37) | Location (GRCh38) | Length | GC content |
|---|---|---|---|---|---|
| hsa_chr9_0138800 | Intergenic-Intergenic | chr9:123849162-123849648 | chr9:121086884-121087370 | 487 nt | 0.4435 |
| hsa_CNTRL_0001500 | Exon-Exon | chr9:123850574-123852683 | chr9:121088296-121090405 | 379 nt | 0.3720 |
| hsa_CNTRL_0001600 | Exon-Exon | chr9:123850574-123858841 | chr9:121088296-121096563 | 521 nt | 0.3512 |
| hsa_CNTRL_0001700 | Intron-Exon-Intron | chr9:123850574-123872849 | chr9:121088296-121110571 | 57 nt | 0.4211 |
| hsa_CNTRL_0001800 | Exon-Exon | chr9:123850574-123880818 | chr9:121088296-121118540 | 236 nt | 0.3898 |
| hsa_CNTRL_0001900 | Exon-Exon | chr9:123850574-123886362 | chr9:121088296-121124084 | 349 nt | 0.4097 |
| hsa_CNTRL_0001400 | Exon-Exon | chr9:123850574-123888214 | chr9:121088296-121125936 | 2056 nt | 0.3852 |
| hsa_CNTRL_0002000 | Exon-Exon | chr9:123850574-123898260 | chr9:121088296-121135982 | 379 nt | 0.3720 |
| hsa_CNTRL_0002100 | Exon-Exon | chr9:123850697-123858841 | chr9:121088419-121096563 | 529 nt | 0.3478 |
| hsa_CNTRL_0002300 | Exon-Exon | chr9:123850697-123870273 | chr9:121088419-121107995 | 131 nt | 0.3969 |
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].