| Primary Identifier | MGI:3774510 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ighm |
| Transmission | Germline | Strain of Origin | 129/Sv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neo cassette was inserted in the anti-sense direction at the BglII and BamHI sites in the constant region 1 to 2 (Cmu1-2). This results in the loss of the constant regions 1 and 2 and a truncation of the produced protein as confirmed by western blot analysis. |
