| Primary Identifier | MGI:2176520 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ptpn1 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin selection cassette replaced a genomic fragment containing exons 5 and 6, which contain sequences encoding the tyrosine phospahatase active site. Western blot analysis on liver microsomes derived from homozygous mice confirmed that no detectable protein was expressed from this allele. |
