| Primary Identifier | MGI:4881824 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Actb |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A floxed PGK-neomycin selection cassette in reverse orientation was inserted in intron 1 and a third loxP site was placed in intron 3. The selection cassette was subsequently removed from properly targeted mice by crossing to transgenic mice carrying Tg(EIIa-cre)C5379Lmgd. |