| Primary Identifier | MGI:5575358 | Allele Type | Targeted |
| Attribute String | Modified regulatory region | Gene | Rr27 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 1.3 kb deletion was generated between CTCF sites 1 and 4 and a floxed neomycin resistance gene cassette was inserted downstream of the deletion. The resistance cassette was subsequently removed by cre excision. |