| Primary Identifier | MGI:3028524 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | C5ar1 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neo cassette with a 3' lox site was inserted into exon 2 and an additional loxP site was inserted upstream of exon 2. Northern blot and immunohistochemistry analyses confirm the absence of gene transcription and protein product. |