| Gene Name | HGNC ID | COSMIC_MutID | Primary site | Primary histology | AA-Mutation | Mutation Type | Genomic Position | FATHMM prediction | FATHMM score | Literature evidence |
| PTPN21 | 9651 | COSM314581, | lung | carcinoma | p.A994V | Substitution - Missense | 14:88469941-88469941, | PATHOGENIC | 0.99116 | 22941188 |
| PTPN21 | 9651 | COSM142821, | skin | malignant_melanoma | p.E277K | Substitution - Missense | 14:88497226-88497226, | PATHOGENIC | 0.97858 | 19074898 |
| PTPN21 | 9651 | COSM142822, | skin | malignant_melanoma | p.Y586H | Substitution - Missense | 14:88479675-88479675, | PATHOGENIC | 0.90879 | 19074898 |
| PTPN21 | 9651 | COSM142823, | skin | malignant_melanoma | p.D742N | Substitution - Missense | 14:88479207-88479207, | NEUTRAL | 0.16976 | 19074898 |