| Primary Identifier | MGI:2386215 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Nppb |
| Transmission | Germline | Strain of Origin | 129/Sv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The gene was disrupted by replacement of exons 1-2 with a neomycin resistance cassette via homologous recombination. Gene transcripts and protein product were not detectable in the hearts of homozygous mutant animals. |