| Primary Identifier | MGI:2154447 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cycs |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette replaced the two protein coding exons. Immunoblot analysis did not detect endogenous protein in cells cultured from E8-E9 embryos of homozygous mutant mice. |