| Primary Identifier | MGI:1888808 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cdkn1b |
| Transmission | Germline | Strain of Origin | 129S1/Sv-Oca2<+> Tyr<+> Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Insertion of a neomycin cassette into the first coding exon of the Cdkn1b gene. Allele produces an N-terminal partial protein product which authors refer to as delta51. |