| Primary Identifier | MGI:3621971 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sp4 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 3 was removed via cre-mediated excision by crossing with Tg(Prm-cre)58Og mice. Semi-quantitative RT-PCR demonstrated a complete deletion of transcript in mutant heart samples. |