| Primary Identifier | MGI:4421704 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Grn |
| Transmission | Germline | Strain of Origin | B6(Cg)-Tyr<c-2J>/J |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site was inserted upstream of exon 1 and an frt floxed neo cassette with a 3' loxP site was inserted downstream of exon 4. |