| Primary Identifier | MGI:2182949 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Hrh2 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin selection cassette replaced most of the coding region of the gene including the translation initiation codon. RT-PCR analysis confirmed that no detectable transcript was expressed from this allele in stomach or brain of homozygous mice. |