| Primary Identifier | MGI:4365461 | Allele Type | Targeted |
| Attribute String | Null/knockout, Reporter | Gene | Nppc |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 1 was replaced with a lacZ with a nuclear localization signal and a floxed cre-neo cassette, which excises itself. Exon 2 was also modified to introduce STOP codons in all three frames. The absence of protein expression as confirmed by immunohistochemistry on E12.5 spinal cord sections. |