| Primary Identifier | MGI:3606252 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Arhgap1 |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Part of exons 3 and 4, including the ATG, were replaced by the neomycin resistance gene. Immunoblot of mutant MEFs failed to detect protein. |