| Primary Identifier | MGI:6357155 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Prss55 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 3 was replaced with a PGK-neomycin selection cassette. The absence of the encoded protein expression was confirmed at both RNA and protein levels by semi-quantitative RT-PCR, Western blotting and IF analysis. |