| ID | Type | Location (GRCh37) | Location (GRCh38) | Length | GC content |
|---|---|---|---|---|---|
| hsa_TULP4_0003800 | Intergenic-Exon | chr6:158733083-158735300 | chr6:158312051-158314268 | 2218 nt | 0.4211 |
| hsa_TULP4_0004700 | Exon-Exon | chr6:158733692-158873300 | chr6:158312660-158452268 | 2216 nt | 0.4644 |
| hsa_TULP4_0005700 | Exon-Exon | chr6:158834097-158834225 | chr6:158413065-158413193 | 129 nt | 0.6124 |
| hsa_TULP4_0005800 | Exon-Exon | chr6:158834097-158850929 | chr6:158413065-158429897 | 291 nt | 0.5326 |
| hsa_TULP4_0005900 | Exon-Exon | chr6:158834097-158873300 | chr6:158413065-158452268 | 607 nt | 0.5568 |
| hsa_TULP4_0006000 | Exon-Exon | chr6:158834097-158882761 | chr6:158413065-158461729 | 774 nt | 0.5607 |
| hsa_TULP4_0006100 | Exon-Exon | chr6:158834097-158915878 | chr6:158413065-158494846 | 1618 nt | 0.5735 |
| hsa_TULP4_0006400 | Exon-Exon | chr6:158850768-158850929 | chr6:158429736-158429897 | 162 nt | 0.4691 |
| hsa_TULP4_0006500 | Intron-Exon-Intron | chr6:158850768-158852695 | chr6:158429736-158431663 | 1928 nt | 0.4035 |
| hsa_TULP4_0006600 | Exon-Exon | chr6:158850768-158870208 | chr6:158429736-158449176 | 343 nt | 0.5423 |
A study in mice demonstrated that the circTULP4 is a highly expressed circular RNA in brain tissue whose postmortem degradation pattern was used to construct mathematical models for postmortem interval (PMI) estimation at 4°C, 25°C, and 35°C [Song et al. DOI:10.3390/ijms26104495]. A subsequent review confirmed the circTULP4 as an identified new biomarker for multi-temperature PMI estimation in mouse brain tissue [He et al. DOI:10.1007/s00414-025-03625-9].