| Primary Identifier | MGI:3653479 | Allele Type | Targeted |
| Attribute String | Modified regulatory region, Null/knockout | Gene | Rr164 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Cre-mediated recombination was used to delete a 4 kb deletion immediately upstream of the KI-KII element (Rr163), encompassing the promoter of the long J-C K germline transcript. |