| Primary Identifier | MGI:3818561 | Allele Type | Targeted |
| Attribute String | Null/knockout, Reporter | Gene | Retnlb |
| Transmission | Germline | Strain of Origin | 129S1/Sv-Oca2<+> Tyr<+> Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Genomic sequence spanning part of exon 1 and all of exon 2 was replaced with a lacZ gene and neo cassette using VelociGene technology. The absence of protein expression was confirmed by immunohistochemistry on colon samples. |