| Primary Identifier | MGI:2686733 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Noct |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The entire coding region of exon 3, which contains most of the protein coding sequence including the catalytic domain, was replaced with a neomycin resistance cassette. Absence of protein was confirmed in mutant liver homogenates. |