| Primary Identifier | MGI:2182733 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cd40lg |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 500 base pair BamHI-XbaI fragment, corresponding to bases 368 through 417 of the cDNA, was replaced with a neomycin selection cassette. The encoded protein was undetected via flow cytometry on the surface of activated T cells derived from homozygous mutant mice. |