| Primary Identifier | MGI:2656742 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mrc1 |
| Transmission | Germline | Strain of Origin | 129X1/SvJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The gene was disrupted by replacement of exon 2 with a PGK-neo cassette via homologous recombination. Exon 2 was chosen for targeting because it encodes the entire cysteine-rich domain of the receptor and is the longest contiguous coding sequence. |