| Primary Identifier | MGI:2654943 | Allele Type | Targeted |
| Attribute String | Hypomorph, Modified regulatory region | Gene | Nodal |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A floxed PGK-neo cassette was inserted 5 kb upstream of the translation initiation site via homologous recombination, replacing a 0.7 kb region which contains the second left side-specific enhancer (LSE). The resulting allele is hypomorphic. |