| Primary Identifier | MGI:1856181 | Allele Type | Spontaneous |
| Gene | Spta1 | Inheritance Mode | Recessive |
| Strain of Origin | DBA/1J | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The mutation in the sph-ha mouse (also known as sph-J) was identified as a C-to-A transversion in exon 52 that converts a tyrosine 2403 to a stop codon (p.Y2403*). This mutation truncates the protein by 13 amino acids. |
