| Gene symbol | Chromo- some  | 
      Coordinates (bp, mm10) | Size (bp) | Strand | Feature Type | Gene name | 
|---|---|---|---|---|---|---|
| Ptgr1 | 4 | 21541 | - | protein coding gene | prostaglandin reductase 1 | |
| Tssr41919 | 4 | 4 | - | TSS region | transcription start site region 41919 | |
| Tssr37404 | 4 | 22 | + | TSS region | transcription start site region 37404 | |
| Tssr41920 | 4 | 18 | - | TSS region | transcription start site region 41920 | |
| Tssr41921 | 4 | 21 | - | TSS region | transcription start site region 41921 | |
| Tssr41922 | 4 | 14 | - | TSS region | transcription start site region 41922 |