| Primary Identifier | MGI:3836736 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sh2d1b1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | ES cells carrying the Sh2d1b2tm1Vei (ERT) null allele were targeted again with a hygromycin cassette to the Sh2d1b1 locus to create a second null allele. The two null alleles were in cis with each other, and were located 26 kb apart. |
