| Primary Identifier | MGI:4438917 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Srr |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP-flanked neomycin phosphotransferase cassette was inserted with intron 1 and another loxP sequence 5' to exon 1 by homologous recombination. The selection cassette and exon 1 were removed by cre mediated recombination. Absence of protein was confirmed by western blot of whole brain extracts. |
