| Primary Identifier | MGI:3576262 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sh2d1a |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance gene replaced exon 1. Absence of transcript was confirmed in mutant spleen and thymus via RT-PCR and absence of protein in mutant thymus was demonstrated by immunoblotting. |