| Primary Identifier | MGI:3576226 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cyp27b1 |
| Transmission | Germline | Strain of Origin | 129S7/SvEvBrd-Hprt1<b-m2> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The majority of the coding region was replaced by lacZ and neomycin resistance genes. Absence of transcript in mutants was confirmed by RT-PCR of total kidney RNA. |