| Primary Identifier | MGI:3026687 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Efnb2 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 2.2 kb genomic fragment including exon 2 was flanked by single loxP sites. An frt-flanked neo cassette included in the targeting vector was excised via FLP-mediated recombination. |