| Primary Identifier | MGI:2388022 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Numb |
| Transmission | Germline | Strain of Origin | 129/Sv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 1 was flanked with loxP sites by insertion of a floxed PGK-neo cassette and a single loxP site into the upstream and downstream introns, respectively. |