| Primary Identifier | MGI:6761311 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Oga |
| Transmission | Germline | Strain of Origin | C57BL/6 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site was inserted upstream of exon 1, and a second loxP site, FRT-flanked neomycin selection cassette and third loxP site were inserted downstream of exon 1. Cre-mediated recombination removed exon 1 but left the neomycin selection cassette. |