| Primary Identifier | MGI:7797306 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cygb |
| Transmission | Germline | Strain of Origin | 129 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP511 site and FRT flanked neo cassette were inserted upstream of exon 2 and a loxP511 site was inserted downstream of exon 2 via homologous recombination. Recombinase mediated recombination deleted the neo cassette and exon 2. |