| Primary Identifier | MGI:6287672 | Allele Type | Targeted |
| Gene | Ar | Transmission | Germline |
| Strain of Origin | Not Specified | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Two conserved lysine residues in exon 1 were replaced by arginine residues at amino acid 381 and 500 (K381R and K500R). A neomycin selection cassette was removed. These two mutations abolish SUMOylation at the two lysines. |