Primary Identifier | MGI:2182831 | Allele Type | Targeted |
Attribute String | Null/knockout | Gene | Per1 |
Transmission | Germline | Strain of Origin | 129S4/SvJae |
Is Recombinase | false | Is Wild Type | false |
molecularNote | Exons 2 through 12 were replaced with a neomycin selection cassette. The deleted region included the translational start site and the basic helix-loop-helix and PAS domains. Normal protein was undetected in homozygous mutant mice by immunohistochemical staining of superchiasmatic nuclei over a 24 hour period. |