| Primary Identifier | MGI:2663669 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Rac1 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site was inserted upstream of exon 1 and a loxP site flanked neomycin resistance gene cassette into intron 1. The neo cassette was removed and exon 1 deleted through subsequent cre-mediated recombination, creating a null allele. |