| ID | Type | Location (GRCh37) | Location (GRCh38) | Length | GC content |
|---|---|---|---|---|---|
| hsa_MBNL1_0003700 | Exon-Intron | chr3:152017994-152043306 | chr3:152300205-152325517 | 262 nt | 0.4504 |
| hsa_MBNL1_0003800 | Exon-Intron | chr3:152017994-152052588 | chr3:152300205-152334799 | 356 nt | 0.3764 |
| hsa_MBNL1_0003900 | Exon-Exon | chr3:152017994-152132900 | chr3:152300205-152415111 | 163 nt | 0.4540 |
| hsa_MBNL1_0004000 | Exon-Exon | chr3:152017994-152163328 | chr3:152300205-152445539 | 592 nt | 0.4865 |
| hsa_MBNL1_0004100 | Exon-Exon | chr3:152017994-152164546 | chr3:152300205-152446757 | 217 nt | 0.4793 |
| hsa_MBNL1_0003400 | Exon-Exon | chr3:152017994-152165562 | chr3:152300205-152447773 | 950 nt | 0.4937 |
| hsa_MBNL1_0004200 | Exon-Exon | chr3:152017994-152174150 | chr3:152300205-152456361 | 429 nt | 0.4988 |
| hsa_MBNL1_0003500 | Exon-Exon | chr3:152017994-152175982 | chr3:152300205-152458193 | 955 nt | 0.5079 |
| hsa_MBNL1_0003600 | Exon-Exon | chr3:152017994-152182912 | chr3:152300205-152465123 | 250 nt | 0.3600 |
| hsa_MBNL1_0004400 | Exon-Intron | chr3:152018042-152043306 | chr3:152300253-152325517 | 208 nt | 0.4567 |
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].