| Primary Identifier | MGI:3039046 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cyp26b1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Homologous recombination was used to replace exons 3-5 and part of 6 with a PGK-puro cassette. These exons encode the heme-binding, steroid-binding and oxygen-binding domains. |