| Primary Identifier | MGI:2388046 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Efnb3 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The coding region of exon 1 was deleted and replaced with a lacZ-PGK-neo cassette. Northern blot analysis of brain mRNA from homozygous mutant animals confirmed the absence of gene expression. However, the lacZ gene was not expressed as originally intended. |
