OnCo

PTPN6 (Tyrosine-protein phosphatase non-receptor type 6) is an enzyme. The public catalogues list it as an oncogene driver, a tumour suppressor and a biomarker, and clinical evidence ties its variants to diagnosis, prognosis or drug response. Tied to Hepatocellular carcinoma, Diffuse large B-cell lymphoma and Melanoma. This dossier gathers the 0 products (0 approved), 0 trials, 0 pathways and 0 resistance routes in the corpus that involve it, with external identifiers so it can be joined to UniProt, ChEMBL, Open Targets and the rest of biology.

Biology

Tyrosine phosphatase enzyme that plays important roles in controlling immune signalling pathways and fundamental physiological processes such as haematopoiesis. Dephosphorylates and negatively regulate several receptor tyrosine kinases (RTKs) such as EGFR, PDGFR and FGFR, thereby modulating their signalling activities. When recruited to immunoreceptor tyrosine-based inhibitory motif (ITIM)-containing receptors such as immunoglobulin-like transcript 2/LILRB1, programmed cell death protein 1/PDCD1, CD3D, CD22, CLEC12A and other receptors involved in immune regulation, initiates their dephosphorylation and subsequently inhibits downstream signalling events. Modulates the signalling of several cytokine receptors including IL-4 receptor. Additionally, targets multiple cytoplasmic signalling molecules including STING1, LCK or STAT1 among others involved in diverse cellular processes including modulation of T-cell activation or cGAS-STING signalling. Within the nucleus, negatively regulates the activity of some transcription factors such as NFAT5 via direct dephosphorylation. Location: Cytoplasm; Nucleus (UniProt). Locus 12p13.31 (HGNC).

Where it is found
  • Hepatocellular carcinoma: CIViC evidence names this disease
  • Diffuse large B-cell lymphoma: IntOGen driver in 2 cohorts (DLBCLNOS)
  • Melanoma: IntOGen driver in 1 cohort (MEL)
Class: enzyme · Gene: PTPN6 · Facts checked 2026-09-23 · Target page

External identifiers

Built from HGNC, Ensembl, UniProt and ChEMBL ids

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Resistance routes

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Companion diagnostics

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Literature

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Query for this target: (TITLE:"PTPN6" OR ABSTRACT:"PTPN6" OR TITLE:"protein tyrosine phosphatase non-receptor type 6" OR ABSTRACT:"protein tyrosine phosphatase non-receptor type 6" OR TITLE:"Tyrosine-protein phosphatase non-receptor type 6" OR ABSTRACT:"Tyrosine-protein phosphatase non-receptor type 6" OR TITLE:"PTP-1C" OR ABSTRACT:"PTP-1C" OR TITLE:"SHP-1" OR ABSTRACT:"SHP-1" OR TITLE:"SHP1" OR ABSTRACT:"SHP1") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma). Results are unfiltered search hits about PTPN6, not a curated reading list.

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The dossier as machine-readable JSON: identifiers from HGNC, Ensembl, UniProt and ChEMBL, products with status, trials, pathways, hotspots, open questions and assays. The full entity record is in the open API at /api/v1/entities/ptpn6.json. Licence CC BY-NC 4.0.