| Primary Identifier | MGI:2449926 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Gzma |
| Transmission | Germline | Strain of Origin | C57BL/6 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The gene was disrupted by insertion of a neomycin resistance cassette into exon 4 by homologous recombination. Western blot analysis confirmed the absence of protein product and cytochemical analysis demonstrated the absence of enzyme activity in cytotoxic T cells in homozygous mutant animals. |
