| Primary Identifier | MGI:3038975 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Calcr |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Homologous recombination was used to replace exons 6 and 7 with a neomycin cassette in the reverse orientation to the endogenous allele. Real time PCR demonstrated that expression of heterozygous osteoclasts was decreased compared with that of wild-type. |