| Primary Identifier | MGI:1857590 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Trp53 |
| Transmission | Germline | Strain of Origin | 129S7/SvEvBrd-Hprt1<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A PolII-neomycin resistance cassette which lacked a polyadenylation signal was inserted into exon 5 of the gene. The insertion was accompanied by a small deletion of a 450 bp fragment containing 106 nucleotides of exon 5 and 350 nucleotides of intron 4. |