| Primary Identifier | MGI:3052123 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sox2 |
| Transmission | Germline | Strain of Origin | 129S1/Sv-Oca2<+> Tyr<+> Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A floxed PGK-neo replaced an upstream neural cell-specific enhancer. Crossing with CMV-Cre mice excised the floxed neo, leaving a single loxP site. |