| Primary Identifier | MGI:1858161 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Tap1 |
| Inheritance Mode | Recessive | Transmission | Germline |
| Strain of Origin | 129P2/OlaHsd | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Sequences encoding the second and part of the third transmembrane helices were replaced by a neomycin resistance gene. |