| Primary Identifier | MGI:3653699 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Efnb1 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 2 was flanked by loxP sites and fused to a human EFNB1 cDNA with a polyA signal. Western blot detected protein from mutants. A neomycin resistance gene was removed via flipase expression. |