| Primary Identifier | MGI:2681555 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Gcnt1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The single protein coding exon was flanked upstream by a loxP site and downstream by a floxed neomycin resistance cassette. Transient Cre expression in correctly targeted cells resulted in removal of only the neomycin cassette in some ES cells. |