| Primary Identifier | MGI:4442410 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Xirp1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A vector composed of an IRES element, beta-gal, and a neomycin selection cassette was inserted between the XhoI restriction site near the 5' end of exon 2 and the BamHI site near the 3' end of the same exon. Immunohistochemical analysis confirmed that all three isoforms are not expressed. |