| Primary Identifier | MGI:4437792 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Nphp1 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 4 was replaced with a neo cassette. The absence of protein expression was confirmed by immuohistochemistry on testis samples. |