| Primary Identifier | MGI:2177255 | Allele Type | Targeted |
| Attribute String | Conditional ready, No functional change | Gene | Erbb2 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | LoxP sites were inserted into intronic sequences flanking three exons. An adjacent loxP flanked neomycin selection cassette was removed in ES cells by transient Cre recombinase transfection prior to the production of chimeric mice. |