| Primary Identifier | MGI:3641215 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Polr2a |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance gene was inserted outside the transcribed region of the locus and a 13 repeat deletion inserted into the C-terminus. Western blot analysis indicated a smaller protein was present in mutants than in wild-types. |