| Primary Identifier | MGI:3530901 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Hmgb1 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 2, 3, 4, and 5 of the gene was replaced by the insertion of a neo cassette. |