| Primary Identifier | MGI:3703320 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Neb |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The cap site, TATA-box and its putative Tmod-binding aminoterminal domain in the 5' UTR were replaced with a neomycin resistance cassette (also known as exon 2 and 3 in later reports). Western blot revealed absence of transcript in mutant mice. |