| Primary Identifier | MGI:4365398 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ern1 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site was inserted upstream of exon 20 and a frt flanked neo cassette and second loxP site were inserted downstream of exon 21 via homologous recombination. Flp and Cre mediated recombination then removed the neo cassette and exons 20 and 21. |