| Primary Identifier | MGI:2158940 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ercc1 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd-Hprt1<b-m3> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance gene was inserted into exon 5. Northern blot analysis on RNA derived from brain of homozygous mice demonstrated that no detectable transcript was produced from this allele. |