| Primary Identifier | MGI:4881708 | Allele Type | Targeted |
| Attribute String | Null/knockout, Reporter | Gene | Ssr3 |
| Transmission | Germline | Strain of Origin | (C57BL/6NCrlj x CBA/JNCrlj)F1 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Part of exon 1 from before the initiation codon was replaced with a lox71-LacZ-pA-frt-Pro-Neo-frt-loxPpA cassette via homologous recombinaation. RT-PCR and western blot analysis confirmed the absence of expression in homozygous E18.5 embryos. |