| Primary Identifier | MGI:5617502 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Hist1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 3.7 kb region, which includes exons of both Hist1h2aa and Hist1h2ba as well as the common promoter located between the genes, was replaced with a neo cassette via homologous recombination. |