| Primary Identifier | MGI:3050973 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cyb5r4 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 4, which contains sequence encoding the heme-binding domain, was replaced with a PGK-hygromycin gene. Mutant mice did not express full length mRNA or protein, as shown by Northern blot and Western blot, respectively. |
