| ID | Type | Location (GRCh37) | Location (GRCh38) | Length | GC content |
|---|---|---|---|---|---|
| hsa_PAIP2_0003500 | Exon-Exon | chr5:138704492-138705337 | chr5:139368803-139369648 | 846 nt | 0.3617 |
| hsa_CTB-43P18.1_0000100 | Intergenic-Intron | chr5:138695738-138701277 | chr5:139360049-139365588 | 250 nt | 0.3840 |
| hsa_MATR3_0009200 | Intron-Intergenic | chr5:138660790-138682025 | chr5:139325101-139346336 | 250 nt | 0.4240 |
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].