| Primary Identifier | MGI:3640328 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Gnmt |
| Transmission | Germline | Strain of Origin | 129 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The first exon and promoter region were replaced with a neomycin resistance gene via homologous recombination. Western blot and enzyme activity assays did not detect any protein or activity in homozygous liver extracts. |