| Primary Identifier | MGI:3044436 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Ar |
| Transmission | Germline | Strain of Origin | 129S4/SvJaeSor |
| Is Recombinase | false | Is Wild Type | false |
| description | ES cell line = FWB2. |
| molecularNote | An FRT-flanked neo and a single loxP sequence were inserted 3' of exon 1. An additional inverted loxP site was inserted 5' of exon 1. Southern blot of mutant ES cells confirm recombination. |