| Primary Identifier | MGI:6403491 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mexis |
| Transmission | Germline | Strain of Origin | C57BL/6 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | One of the alternative exons 1 and invariant exon 2 were replaced with an FRT site flanked neomycin resistance gene cassette. The neo cassette was removed through subsequent flp-mediated recombination. |