Protein / target
Receptor-type tyrosine-protein kinase FLT3
Protein at a glance
Biological role
Transmembrane receptor protein tyrosine kinase
Strongest disease association
Hypothyroidism
Therapeutic position
Established drug target
Research activity
Emerging research
Derived from structured UniProt, Open Targets and literature data on this page.
Protein profile
Canonical identity and biological annotation from UniProt.
Function overview
Tyrosine-protein kinase that acts as a cell-surface receptor for the cytokine FLT3LG and regulates differentiation, proliferation and survival of hematopoietic progenitor cells and of dendritic cells.
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Tyrosine-protein kinase that acts as a cell-surface receptor for the cytokine FLT3LG and regulates differentiation, proliferation and survival of hematopoietic progenitor cells and of dendritic cells. Promotes phosphorylation of SHC1 and AKT1, and activation of the downstream effector MTOR. Promotes activation of RAS signaling and phosphorylation of downstream kinases, including MAPK1/ERK2 and/or MAPK3/ERK1. Promotes phosphorylation of FES, FER, PTPN6/SHP, PTPN11/SHP-2, PLCG1, and STAT5A and/or STAT5B. Activation of wild-type FLT3 causes only marginal activation of STAT5A or STAT5B. Mutations that cause constitutive kinase activity promote cell proliferation and resistance to apoptosis via the activation of multiple signaling pathways
Subcellular location
Domains and Gene Ontology detail (37)Hide
Domains & features
Gene Ontology
- Cendoplasmic reticulum lumen
- Cendosome membrane
- Cplasma membrane
- Creceptor complex
- FATP binding
- Fcytokine receptor activity
- Fgrowth factor binding
- Fnuclear glucocorticoid receptor binding
- Fphosphatidylinositol 3-kinase activator activity
- Fprotein tyrosine kinase activity
- Fprotein-containing complex binding
- Ftransmembrane receptor protein tyrosine kinase activity
Biological roles
What this protein does, drawn together from its UniProt function, Gene Ontology terms and Reactome pathways.
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Cell proliferation & survival
- ·positive regulation of cell population proliferation
- ·PIP3 activates AKT signaling
- ·PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling
Receptor tyrosine kinase signalling
- ·transmembrane receptor protein tyrosine kinase activity
- ·cell surface receptor protein tyrosine kinase signaling pathway
Cell migration
- ·cell migration
Oncogenic signalling
- ·Constitutive Signaling by Aberrant PI3K in Cancer
Immune signalling
- ·Tyrosine-protein kinase that acts as a cell-surface receptor for the cytokine FLT3LG and…
- ·cytokine receptor activity
- ·B cell differentiation
- ·cellular response to cytokine stimulus
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Concepts derived from UniProt GO Reactome — each badge above shows which sources supported that role.
Interaction neighbourhood
Proteins with the strongest functional or physical association. Node size and line weight reflect STRING confidence; hover or select a partner to inspect one association.
Functional and physical associations from STRING v12.0. Only associations with this protein are drawn — partner-to-partner links are not part of this evidence.
Approved medicines with mapped indications
Approved therapies targeting this protein, grouped by what they are approved to treat — the disease-first view of the medicines below. Relationships come from the canonical approved-indication graph (ChEMBL phase-4), the same source as the drug cards.
16 medicines meet Open Targets' target-level approved-medicine definition; the 4 shown here are those on this page with a canonical approved disease indication in the graph. Approved indications from ChEMBL (phase-4), via the canonical drug→disease graph.
Drugs targeting this protein
How approved and investigational drugs engage this protein — mechanism and action type, direct vs complex targeting, and how broadly each acts across other targets. A drug-first view (the section above groups the approved ones disease-first); direct binders with few recorded targets are listed first.
Tyrosine-protein kinase receptor FLT3 inhibitor
Indicated for Neoplasms
Tyrosine-protein kinase receptor FLT3 inhibitor
Indicated for Neoplasms
Tyrosine-protein kinase receptor FLT3 inhibitor
Indicated for Carcinoma, Renal Cell, Gastrointestinal Stromal Tumors, Neuroendocrine Tumors, Neoplasms
Tyrosine-protein kinase receptor FLT3 inhibitor
Indicated for Leukemia, Myeloid, Acute, Mastocytosis, Mastocytosis, Systemic, Neoplasms
ChEMBL mechanism, action type, target identity and approved indications. Open Targets clinical status.
Translational evidence
Why this target matters therapeutically, strongest evidence first. Disease associations are gene-level (via the gene that encodes this protein) and open into the full confidence synthesis; the development universe, tractability and safety annotations are target-level, from Open Targets.
Strongest disease associations · via encoding gene FLT3
Gene-level evidence surfaced through the gene FLT3that encodes this protein — not a direct protein–disease relationship. Ranked by Forefront's causal-directness weighting, so genetically- and clinically-evidenced diseases lead over ones that merely share the literature.
View evidence synthesis (5)Hide
The evidence agreement range shows how closely the independent evidence families agree — it is not a statistical confidence interval, and nothing here is fitted to outcome data. Derived from Open Targets evidence types under Forefront weighting; the per-type scores above show the calculation.
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Drug development
45 compounds recorded · 16 approved · 29 in clinical development
View all recorded compounds (10)Hide
Open Targets known-drugs universe. Drug name and highest clinical stage only — the disease relationship is NOT read from this slice (it carries trial-context noise); approved indications come from the canonical graph above.
Tractability
Small molecules — Strong
Antibodies — Supported
Protein degraders — Emerging
Other modalities — Strong
View underlying tractability evidence (13)Hide
Raw Open Targets tractability assessment buckets, by modality.
Safety-related annotations
Terms indexed against this target in Open Targets' safety data, with their datasource. These are annotations, not causal claims: the direction of effect (whether activation or inhibition is implicated), species and evidence strength are not captured here, so an entry does not mean that modulating this target is known to cause that condition.
Clinical trials
Trials of drugs that target this protein — reached indirectly through those drugs, so a trial listed here studies the drug, not the protein. Ranked by active status, then clinical phase and recency, and spread across the targeting drugs.
View all trials (26)Hide
ClinicalTrials.gov via the drug-target graph.
What's happening now
Recent therapeutic activity around this target — regulatory actions, clinical trials and safety signals for 3 drugs that target this protein, plus publications where such a drug is a genuine subject. Every item is reached indirectly through the drug, not the protein itself; incidental mentions (a paper that merely measures a drug) and press items are excluded.
- New publicationMachine-learning and mechanistic modeling of metastatic breast cancer after neoadjuvant treatment.
- New publicationGenomic profiling in GIST: Implications in clinical outcome and future challenges.
- New publicationNivolumab plus Cabozantinib versus Sunitinib for Advanced Renal-Cell Carcinoma.
- Regulatory approval
Approval: Sunitinib Accord (EMA)
- Regulatory approval
Approval: Xospata (EMA)
- New publicationGilteritinib or Chemotherapy for Relapsed or Refractory <i>FLT3</i>-Mutated AML.
- New publicationPembrolizumab plus Axitinib versus Sunitinib for Advanced Renal-Cell Carcinoma.
- New publicationNivolumab plus Ipilimumab versus Sunitinib in Advanced Renal-Cell Carcinoma.
- Regulatory approval
Approval: Rydapt (EMA)
- New publicationEfficacy and Safety of Midostaurin in Advanced Systemic Mastocytosis.
- Regulatory approval
Approval: Sutent (EMA)
- New publicationActivity of SU11248, a multitargeted inhibitor of vascular endothelial growth factor receptor and platelet-derived growth factor receptor, in patients with metastatic renal cell carcinoma.
Objective event titles are shown unmodified; the event kind and significance line are derived from structured fields. Forefront AttentionEvent stream aggregating Europe PMC Regulatory filings ClinicalTrials.gov.
Research activity
Papers linked directly to this protein. This is the protein's own literature — descriptor-derived papers are kept separate below.
Most cited
Recent
Europe PMC papers linked directly to this protein.