Use UniProt Q16665 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL2221345 Target Snapshot
Hypoxia inducible factors; HIF-1-alpha, HIF-2-alpha · PROTEIN FAMILY · Homo sapiens
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As of 2026-09-13Protein identity stays anchored to UniProt Q16665. Use UniProt Q16665 as the stable identity anchor, then attach disease evidence before program review.
Hypoxia-inducible factor 1-alpha
Review this target as Hypoxia inducible factors; HIF-1-alpha, HIF-2-alpha, mapped to UniProt Q16665. ChEMBL maps the protein component as Hypoxia-inducible factor 1-alpha. Sequence length is 826 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Hypoxia inducible factors; HIF-1-alpha, HIF-2-alpha as ChEMBL target CHEMBL2221345, mapped to UniProt Q16665. Disease framing currently uses the Open Targets-ready proxy contract.
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| Preferred Name | Hypoxia inducible factors; HIF-1-alpha, HIF-2-alpha |
| Target Type | PROTEIN FAMILY |
| Organism | Homo sapiens |
| UniProt | Q16665 |
Next Actions
UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Hypoxia-inducible factor 1-alpha |
| UniProt Accession | Q16665 |
| Component Type | Protein |
| Sequence Length | 826 aa |
Hypoxia-inducible factor 1-alpha
How to read this target
Review this target as Hypoxia inducible factors; HIF-1-alpha, HIF-2-alpha, mapped to UniProt Q16665. ChEMBL maps the protein component as Hypoxia-inducible factor 1-alpha. Sequence length is 826 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL3335630 | 9.33 | IC50 | 0.47 | Preclinical |
| CHEMBL3335423 | 9.01 | IC50 | 0.97 | Preclinical |
| CHEMBL3335427 | 8.96 | IC50 | 1.1 | Preclinical |
| CHEMBL3335426 | 8.59 | IC50 | 2.6 | Preclinical |
| CHEMBL2021442 | 8.52 | IC50 | 3.0 | Preclinical |
| CHEMBL461308 | 8.52 | IC50 | 3.0 | Preclinical |
| CHEMBL3335421 | 8.51 | IC50 | 3.1 | Preclinical |
| CHEMBL3335415 | 8.48 | IC50 | 3.3 | Preclinical |
| CHEMBL383824 | 8.44 | IC50 | 3.6 | Clinical |
| CHEMBL3335425 | 8.24 | IC50 | 5.8 | Preclinical |
pChEMBL Value Distribution
Approved Drugs
Assay Landscape
Binding — 136 assays, 243 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 136 | 243 | 5.8 |
Functional — 6 assays, 13 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 6 | 13 | 5.1 |