| Primary Identifier | MGI:2384135 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ptpn1 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 1 and surrounding sequence were replaced with a neomycin selection cassette. The absence of transcript and protein in homozygous mutant mice was verified by Northern and Western blot analyses of a variety of tissues. |