| Primary Identifier | MGI:4837923 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cyp2a5 |
| Transmission | Germline | Strain of Origin | B6.Cg-Thy1<a> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 9 was replaced with a loxP site flanked neomycin resistance gene cassette. The absence of transcript expression was confirmed by RT-PCR on olfactory mucosa, liver, lung, kidney, and testis extracts. |