| Primary Identifier | MGI:3829432 | Allele Type | Targeted |
| Gene | Igh-7 | Transmission | Germline |
| Strain of Origin | BALB/c | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The gamma1 membrane region of the IgG1 gene was inserted along with a Tk-neomycin selection cassette 3' of the secretory epsilon polyA site. The endogenous epsilon membrane region was replaced in the process. |