| Primary Identifier | MGI:2655862 | Allele Type | Targeted |
| Attribute String | Null/knockout, Reporter | Gene | Nkx2-9 |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | All of exon 1 and a portion of exon 2 were replaced with a lacZ-neo cassette inserted by homologous recombination. The deleted region included the homeodomain. No transcript was detected in homozygous mutant brain tissue by RT-PCR analysis or in situ hybridization. |