| Primary Identifier | MGI:2387579 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Igh-7 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 1 through 4 were replaced by a neomycin selection cassette inserted via homologous recombination. Transcript was undetected by Northern blot analysis of splenocytes obtained from homozygous mutant mice and stimulated with interleukin-4 and LPS. ELISA confirmed the absence of IgE. |