| Primary Identifier | MGI:3604807 | Allele Type | Targeted |
| Attribute String | Null/knockout, Reporter | Gene | Npm1 |
| Transmission | Germline | Strain of Origin | 129S1/Sv-Oca2<+> Tyr<+> Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A targeting vector containing GFP was inserted in-frame with exon 2 at the upstream end, with a modified ACN cassette containing a self-excising neo, resulting in the removal of exons 2-7. GFP was demonstrated to express in the same manner as the endogenous protein. |