| Primary Identifier | MGI:1856060 | Allele Type | Spontaneous |
| Gene | Hr | Inheritance Mode | Semidominant |
| Strain of Origin | Not Specified | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | This allele comprises a nucleotide transition of A-to-G at position -293 upstream of the start codon in 5' UTR exon 2 results in conversion of a potential upstream open reading frame initiation methionine codon from ATG to GTG. |