| Primary Identifier | MGI:7433175 | Allele Type | Targeted |
| Attribute String | Modified regulatory region | Gene | Rr348 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The erythroid Hba enhancer in Nprl3 intron 6 was replaced with a loxP site flanked neomycin resistance gene cassette. The neo cassette was removed through subsequent cre-mediated recombination. |