| ID | Type | Location (GRCh37) | Location (GRCh38) | Length | GC content |
|---|---|---|---|---|---|
| hsa_PAIP2_0001800 | Intron-Exon | chr5:138695677-138700432 | chr5:139359988-139364743 | 466 nt | 0.4506 |
| hsa_PAIP2_0001900 | Intron-Intron | chr5:138697543-138698194 | chr5:139361854-139362505 | 652 nt | 0.4433 |
| hsa_PAIP2_0002000 | Intron-Exon | chr5:138698145-138700432 | chr5:139362456-139364743 | 1647 nt | 0.4572 |
| hsa_PAIP2_0002300 | Exon-Exon | chr5:138699448-138700439 | chr5:139363759-139364750 | 351 nt | 0.3960 |
| hsa_PAIP2_0002400 | Exon-Exon | chr5:138699448-138700774 | chr5:139363759-139365085 | 686 nt | 0.4402 |
| hsa_PAIP2_0002500 | Exon-Exon | chr5:138699448-138704466 | chr5:139363759-139368777 | 225 nt | 0.4178 |
| hsa_PAIP2_0002600 | Exon-Exon | chr5:138699448-138704471 | chr5:139363759-139368782 | 56 nt | 0.4107 |
| hsa_PAIP2_0002700 | Exon-Exon | chr5:138699481-138704924 | chr5:139363792-139369235 | 814 nt | 0.3784 |
| hsa_PAIP2_0002800 | Exon-Exon | chr5:138700385-138705298 | chr5:139364696-139369609 | 48 nt | 0.3958 |
| hsa_PAIP2_0003300 | Exon-Exon | chr5:138704422-138704731 | chr5:139368733-139369042 | 310 nt | 0.4000 |
A review consolidating research across multiple species including human, mouse, and rat indicates that the circPAIP2, a nuclear exon-intron circRNA, enhances transcription of its parental PAIP2 gene in a positive feedback loop by interacting with U1 snRNP complexes and RNA polymerase II [Chan et al. DOI:10.016/j.tibs.2018.09.016].