| Primary Identifier | MGI:5502690 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Tab3 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Almost all of exons 2 and 3 were replaced by a neomycin resistance cassette. Absence of mRNA in properly targeted mice was confirmed by PCR. |