| Primary Identifier | MGI:7366945 | Allele Type | Endonuclease-mediated |
| Attribute String | Null/knockout | Gene | Nppb |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The biologically active domain coded for in exon 2 was targeted with sgRNAs using CRISPRCas9 technology, resulting in a 398 bp deletion encompassing the 3' end of exon 1, entire intron 1 and most of exon 2. |