| Primary Identifier | MGI:5523218 | Allele Type | Targeted |
| Attribute String | Modified regulatory region | Gene | Rr31 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The conserved noncoding sequence 65, CNS(65), located 670 kb away from the Hoxd cluster was replaced with a floxed neomycin resistance cassette. Cre-mediated recombinaiton removed the neomycin resistance cassette and left a single loxP site. |