| Primary Identifier | MGI:2158756 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Calb2 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin selection cassette replaced 31 bp of the second exon. Northern blot analysis on brain samples derived from homozygous mice demonstrated that no detectable transcript was produced from this allele. Western blot analysis on brain and ocular globe samples derived from homozygous mice confirmed that no detectable protein was made. |