| Primary Identifier | MGI:7642209 | Allele Type | Endonuclease-mediated |
| Attribute String | Modified regulatory region | Gene | Rr477 |
| Strain of Origin | 129 | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | ES cells containing the Myctm1Slek allele were targeted with crRNAs to delete Myc early embryonic enhancer 2 (NPE (naive pluripotency enhancer)). |