| Primary Identifier | MGI:5438548 | Allele Type | Targeted |
| Gene | Actb | Transmission | Germline |
| Strain of Origin | 129S/SvEv | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Twenty-four copies of the MS2 binding site (MBS) for the bacteriophage MS2 capsid protein and a floxed neo cassette were introduced into the 3' UTR. The MBS copies increase the signal-to-noise ratio of the mRNA. |