| Primary Identifier | MGI:3769027 | Allele Type | Targeted |
| Attribute String | Modified regulatory region, No functional change, Null/knockout | Gene | Cigs2 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The HS5 enhancer element in conserved non-coding sequence 2 (CNS-2) was replaced with a loxP site flanked neomycin resistance gene cassette that was subsequently removed by cre-mediated recombination. |