| Primary Identifier | MGI:4840396 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sh2d1b2 |
| Transmission | Germline | Strain of Origin | B6.Cg-Thy1<a> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 1 of Sh2d1b1 was replaced with a floxed neo cassette while exon 1 of Sh2d1b2 was replaced with a hygro cassette with a 5' loxP site. Cre mediated recombination removed the intervening sequence. |