| Primary Identifier | MGI:2183891 | Allele Type | Targeted |
| Attribute String | Null/knockout, Reporter | Gene | Hspa1b |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Most of the coding region of the gene was replaced with an in frame lacZ floxed TK-neo cassette via homologous recombination. Southern blot and PCR genotype analysis confirmed the targeted allele in homozygous mutant animals. |