| Primary Identifier | MGI:3693334 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Crtap |
| Transmission | Germline | Strain of Origin | 129S7/SvEvBrd-Hprt1<b-m2> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette replaced part of exon 1 and all of exon 2. Absence of transcript was confirmed by Northern blot and RT-PCR analyses. |