| Primary Identifier | MGI:3830007 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Crk |
| Transmission | Germline | Strain of Origin | 129S/SvEv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A single loxP site was inserted 5' to exon 1, and a loxP-flanked neomycin selection cassete was inserted 3' to exon 1. |