| Primary Identifier | MGI:5472130 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cd200r1 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neo cassette replaced exon 1. Flow cytometry confirmed the absence of protein in macrophages. |