| Primary Identifier | MGI:1888790 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cdkn1b |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A PGK-neomycin resistance cassette in reverse orientation replaced a 2.5kb sequence containing exons 1 and 2. This deletes the entire coding portion of the gene. Immunoblots of whole tissue lysates of the thymus demnonstrate the absence of protein product. |