| Primary Identifier | MGI:3580390 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Frs2 |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A targeting construct was designed such that a 0.5 kb fragment containing sequence encoding the first 22 amino acids, the first coding exon, was replaced by an IRES Beta-galactosidase neomycin resistance cassette. |