| Primary Identifier | MGI:1927227 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Nkx2-5 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A replacement-type targeting vector was constructed in which sequences coding for helix 3 of the homeodomain were disrupted by insertion of a neoR gene cassette. |