| Primary Identifier | MGI:3837939 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Hsp90b1 |
| Transmission | Germline | Strain of Origin | 129X1/SvJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neo cassette in inverse orientation was inserted in exon 3 via homologous recombination. This insertion created a stop at codon 62. RT-PCR and immunoblot analysis confirmed the absence of transcript and protein expression in homozygous embryos. |