| Primary Identifier | MGI:4456353 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Gmnn |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 3 and 4 were floxed. Cre mediated recombination removed the neo cassette leaving exons 3 and 4 floxed. |