| Primary Identifier | MGI:5825483 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Btg1 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette was inserted into the coding sequence of exon 1. |