| Primary Identifier | MGI:2158683 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cr1l |
| Transmission | Germline | Strain of Origin | 129X1/SvJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin selection cassette was inserted into exon 5. Flow cytometry experiments demonstrated that no functional protein was detectable in embryonic fibroblasts derived from homozygous mice. |