| Primary Identifier | MGI:3582489 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Arhgef1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A floxed neomycin cassette replaced bp 1513-1651 including exon sequences of the DH domain encoding for amino acid residues 476-521. Immunoblot analysis of total spleen cell lysates revealed that homozygous mutants do not express protein. |