| Primary Identifier | MGI:3775290 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Apln |
| Transmission | Germline | Strain of Origin | 129X1/SvJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 3.1 kb fragment including all of exon 2 was replaced with a neo cassette via homologous recombination. |