| Primary Identifier | MGI:4462003 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Add3 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The neomycin resistance cassette that is flanked by Frt sites was removed by mating with mice expressing FLP1 recombinase, resulting in an exon 2 loxP flanked allele lacking the neomycin resistance sequence. |