| Primary Identifier | MGI:3039363 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cdkn1a |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 2 was replaced with a floxed neo cassette and sequence encoding the hepatitis B virus surface antigen (HBx). Endogenous transcript was undetected by RT-PCR analysis of homozygous mutant mice. |