| Primary Identifier | MGI:2676915 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sh2d2a |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 3 and 4, which encode the SH2 domain, were replaced with a neomycin selection cassette inserted by homologous recombination. Protein was undetected by Western blot analysis of activated splenocytes obtained from homozygous mutant mice. |