| Primary Identifier | MGI:7314858 | Allele Type | Endonuclease-mediated |
| Attribute String | Modified regulatory region | Gene | Rr202 |
| Strain of Origin | C57BL/6 | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | CRISPR-targeting deleted the conserved non-coding sequence for an NK-specific DNase I hypersensitive site 3 kb upstream of the Tbx21 transcriptional start site. |