| Primary Identifier | MGI:2178220 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mycn |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| description | Hypomorphic allele. |
| molecularNote | A targeting vector inserted into intron 1, instead of replacing exon 2 by homologous recombination. Northern blot analysis on RNA derived from embryonic brain, lung and kidney demonstrated that a reduced level of normal transcript was produced from this allele, and that the amounts expressed were tissue dependent. |