| Primary Identifier | MGI:3027182 | Allele Type | Targeted |
| Attribute String | Modified regulatory region, Null/knockout | Gene | Myod1 |
| Transmission | Germline | Strain of Origin | 129/Sv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The core enhancer, located approximately 20 kb upstream of the start of transcription, was replaced with a floxed neomycin selection cassette inserted by homologous recombination. Transcript levels in homozygous embryos and adults were determined to be less than 20% those of wild-type. |