| Primary Identifier | MGI:2179121 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Rad23b |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 3 was replaced with a neomycin cassette via homologous recombination resulting in a frameshift and the deletion of amino acids 148-228. Gene expression could not be detected in Northern and Western blot of mouse embryonic fibroblasts from homozygous mutant E13.5 embyros. |