| Primary Identifier | MGI:2156622 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Wrn |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 3 and 4 were replaced with a neomycin selection cassette. The targeted allele is expected to express a fully translated protein that lacks 121 amino acids of the helicase domain. |