| Primary Identifier | MGI:2181052 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cntn2 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The region between exon 2 and 5, encoding the translational start codon through the first Ig-like domain, was replaced by a neomycin selection cassette. Western blot analysis using antibodies raised against the amino and carboxyl terminals showed an absence of encoded protein in homozygous mutant mice. |