| Primary Identifier | MGI:7288576 | Allele Type | Endonuclease-mediated |
| Attribute String | Null/knockout | Gene | C4b |
| Inheritance Mode | Not Specified | Strain of Origin | C57BL/6JSmoc |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 3 of C4b gene was deleted to generate C4b knockout mice. |