| Primary Identifier | MGI:5763398 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Crkl |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site was inserted upstream of exon 1. A floxed neomycin resistance cassette was inserted downstream of exon 1. Cre-mediated recombination removed exon 1 and a selection cassette. RT-PCR confirmed the absence of protein expression in E10.5 hearts. |