| Primary Identifier | MGI:2386539 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Polb |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 1 and 2 were replaced with a neomycin selection cassette by homologous recombination. Neither transcript nor protein was detected by Northern blot and Western blot analyses of homozygous mutant embyros. |
