| Primary Identifier | MGI:4330478 | Allele Type | Gene trapped |
| Attribute String | Null/knockout | Gene | Arhgap21 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Trapped gene association determined by genome coordinate overlap and strand. |