| Primary Identifier | MGI:5502166 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Cul4b |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site was inserted upstream of exon 4. An FRT-flanked neomycin (neo) resistance cassette with a 3' loxP site was inserted downstream of exon 5. Flp-mediated recombination removed the neo resistance cassette. |