| Primary Identifier | MGI:2680763 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Havcr2 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 5.4 kb genomic fragment, including all of exon 1 and a portion of exon 2 was replaced with a neo cassette inserted by homologous recombination. Flow cytometry of homozygous null lymphocytes indicated an absence of normal protein. |