| Primary Identifier | MGI:5248632 | Allele Type | Gene trapped |
| Attribute String | Null/knockout | Gene | Upf3b |
| Transmission | Germline | Strain of Origin | C57BL/6N |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The gene trap cassette inserted in intron 1. mRNA levels were decreased by over 100-fold in most tissues. Western blot analysis failed to detect protein in brains from homozygous mice. |