| Primary Identifier | MGI:3720374 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Il25 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A targeting vector was designed to insert a neomycin selection cassette into exon 2 to replace the nucleotides encoding amino acids 22-86. RT-PCR confirmed absence of transcript in mutant mast cells. |