| Primary Identifier | MGI:2180305 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Defb1 |
| Transmission | Germline | Strain of Origin | 129S5/SvEvBrd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 1 was replaced with a neomycin resistance gene via homologous recombination. Gene expression is absent in kidneys and trachea of homozygous mutant animals as determined by Northern blot analysis, RNase protection assay, and RT-PCR. |
