| Primary Identifier | MGI:2385843 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Nbl1 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The majority of exon 3 was replaced by a neo cassette containing a Beta-actin promoter. |