| Primary Identifier | MGI:2678261 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Cops3 |
| Transmission | Germline | Strain of Origin | 129S7/SvEvBrd-Hprt1<b-m2> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A 5'HPRT minigene segment along with a neomycin resistance gene was inserted after exon 6 and was followed by a duplication of exons 3-6 with about 10kb of vector sequence. No protein product could be identified in homozygotes by western blot analysis. |