| ID | Type | Location (GRCh37) | Location (GRCh38) | Length | GC content |
|---|---|---|---|---|---|
| hsa_MBNL1_0008700 | Intron-Exon-Intron | chr3:152063127-152133246 | chr3:152345338-152415457 | 85 nt | 0.3882 |
| hsa_MBNL1_0008800 | Intron-Intron | chr3:152065464-152065801 | chr3:152347675-152348012 | 338 nt | 0.3077 |
| hsa_MBNL1_0008900 | Intron-Intron | chr3:152065802-152066480 | chr3:152348013-152348691 | 679 nt | 0.3122 |
| hsa_MBNL1_0009000 | Intron-Intron | chr3:152065814-152066586 | chr3:152348025-152348797 | 773 nt | 0.3079 |
| hsa_MBNL1_0009100 | Intron-Exon-Intron | chr3:152066076-152133246 | chr3:152348287-152415457 | 85 nt | 0.3882 |
| hsa_chr3_0289800 | Intergenic-Intergenic | chr3:152066795-152067096 | chr3:152349006-152349307 | 302 nt | 0.3907 |
| hsa_MBNL1_0009200 | Intron-Intron | chr3:152068345-152068498 | chr3:152350556-152350709 | 154 nt | 0.3961 |
| hsa_MBNL1_0009300 | Intron-Intron | chr3:152076737-152077204 | chr3:152358948-152359415 | 468 nt | 0.2885 |
| hsa_MBNL1_0009400 | Intron-Intron | chr3:152077414-152077965 | chr3:152359625-152360176 | 552 nt | 0.3678 |
| hsa_MBNL1_0009500 | Intron-Exon-Intron | chr3:152078984-152132900 | chr3:152361195-152415111 | 250 nt | 0.3760 |
A study in mice and Drosophila demonstrated that the circMBNL1 regulates the production of its linear mRNA counterpart in cis through competition with canonical splicing [Patop et al. DOI:10.15252/embj.2018100836]. A separate review confirmed its role as a splicing competitor that adversely affects canonical pre-mRNA splicing [Misir et al. DOI:10.1038/s41418-022-00948-7]. Research in mammalian neural tissue indicates that the circMBNL1 is synaptically-enriched and abundant in the dendritic arbor, suggesting a role in synaptic function [Mehta et al. DOI:10.1016/j.pneurobio.2020.101746].