| Primary Identifier | MGI:3829369 | Allele Type | Spontaneous |
| Attribute String | Null/knockout | Gene | Alx4 |
| Inheritance Mode | Semidominant | Strain of Origin | C57BL/6J |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The mutation is a a 33.4 Kb deletion encompassing the 5' region and exon 1 of the gene. Immunostaining of coronal sections of E14.5 embryo heads showed that no detectable protein is expressed from this allele. |