| Primary Identifier | MGI:1859675 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Adrb2 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin selection cassette was inserted into the sequence encoding the fourth transmembrane segment. This mutation is predicted to eliminate expression of a functional receptor. Ligand binding experiments confirmed that no functional receptor was expressed in the lung of homozygous mice. |