| Primary Identifier | MGI:3851709 | Allele Type | Spontaneous |
| Gene | Hr | Inheritance Mode | Dominant |
| Strain of Origin | HRA/Skh | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The proviral insertion causative of the original hr mutation spontaneously self-excised leaving a solo LTR and wild type phenotype. |