Use UniProt P08238 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL4303 Target Snapshot
Heat shock protein HSP 90-beta · SINGLE PROTEIN · Homo sapiens
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As of 2026-09-13Protein identity stays anchored to UniProt P08238. Use UniProt P08238 as the stable identity anchor, then attach disease evidence before program review.
Heat shock protein HSP 90-beta
Review this target as Heat shock protein HSP 90-beta, mapped to UniProt P08238. Sequence length is 724 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Heat shock protein HSP 90-beta as ChEMBL target CHEMBL4303, mapped to UniProt P08238. Disease framing currently uses the Open Targets-ready proxy contract.
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Start here when your first question is whether Heat shock protein HSP 90-beta is the right protein anchor across sources, using UniProt P08238 as the stable mapping.
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Open Review-ready CardBasic Information
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| Preferred Name | Heat shock protein HSP 90-beta |
| Target Type | SINGLE PROTEIN |
| Organism | Homo sapiens |
| UniProt | P08238 |
Next Actions
UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Heat shock protein HSP 90-beta |
| UniProt Accession | P08238 |
| Component Type | Protein |
| Sequence Length | 724 aa |
Heat shock protein HSP 90-beta
How to read this target
Review this target as Heat shock protein HSP 90-beta, mapped to UniProt P08238. Sequence length is 724 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL252164 | 10.19 | Ki | 0.064 | Clinical |
| CHEMBL1917878 | 9.46 | Kd | 0.35 | Preclinical |
| CHEMBL3752910 | 9.26 | Kd | 0.546 | Preclinical |
| CHEMBL3309997 | 9.0 | Ki | 1.0 | Preclinical |
| CHEMBL560895 | 8.96 | Ki | 1.1 | Preclinical |
| CHEMBL2419342 | 8.8 | Kd | 1.6 | Preclinical |
| CHEMBL252164 | 8.77 | Kd | 1.7 | Clinical |
| CHEMBL467399 | 8.77 | Kd | 1.7 | Clinical |
| CHEMBL467399 | 8.77 | Ki | 1.7 | Clinical |
| CHEMBL5574581 | 8.7 | Kd | 2.0 | Preclinical |
pChEMBL Value Distribution
Assay Landscape
Binding — 468 assays, 729 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 317 | 95 | 6.7 |
| single protein format | 125 | 575 | 6.4 |
| assay format | 26 | 59 | 5.5 |
Functional — 5 assays, 15 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 2 | 9 | 6.6 |
| tissue-based format | 2 | 3 | 5.1 |
| assay format | 1 | 3 | 5.5 |