| Primary Identifier | MGI:3822777 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Phyh |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 4 through 7 were replaced with a hygro cassette. The absence of transcript expression was confirmed by RT-PCR analysis on liver extracts and the absence of protein expression was confirmed by western blot analysis and complete loss of specific enzyme activity. |