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Target Snapshot

CHEMBL4303 Target Snapshot

Heat shock protein HSP 90-beta · SINGLE PROTEIN · Homo sapiens

1,055Compounds
473Assays
0Approved Drugs
1,094.0Activities
Free Research Context

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Broader Open DB context

Frame the target before identity details

Structured disease, protein, and project context should read before the lower-level identity rail.

As of 2026-09-13

Protein identity stays anchored to UniProt P08238. Use UniProt P08238 as the stable identity anchor, then attach disease evidence before program review.

Review focus
Protein anchor ready

Use UniProt P08238 as the stable identity anchor, then attach disease evidence before program review.

ChEMBL component mapping + Open Targets-ready proxy + ChEMBL 36 via Core Engine 2026-09-13
Open source guide
Identity Layer

Cross-source identity

Keep the review anchor, source IDs, and context contract aligned before reusing this target elsewhere.

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.

Review anchor
Heat shock protein HSP 90-beta
SINGLE PROTEIN · Homo sapiens
As of 2026-09-13
ChEMBL target ID
CHEMBL4303
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-13
www.ebi.ac.uk
UniProt accession
P08238
Heat shock protein HSP 90-beta
UniProt accession via ChEMBL component mapping As of 2026-09-13
www.uniprot.org
Disease evidence contract
Open Targets-ready proxy
ChEMBL drug mechanism + indication proxy
ChEMBL drug mechanism + indication proxy As of 2026-09-13
www.ebi.ac.uk

Reuse the same identifiers in notes, watch rules, exports, and review packs so provenance stays stable across surfaces.

Source Guidance

Start with the right source

Choose the first block or source based on the question you are trying to answer.

Need stable target naming and protein identity?
UniProt Target Context
UniProt accession via ChEMBL component mapping

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.

Jump to Protein Context
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Disease Relevance & Evidence Level
ChEMBL drug mechanism + indication proxy

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Evidence Card
Review-ready rationale with source-aware context

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Overview

Basic Information

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UniProt Context

UniProt Target Context

Reviewable protein naming and mapping context for this target snapshot.

Protein LabelHeat shock protein HSP 90-beta
UniProt AccessionP08238
Component TypeProtein
Sequence Length724 aa

Heat shock protein HSP 90-beta

Source · UniProt accession via ChEMBL component mapping
Review Cue

How to read this target

Review this target as Heat shock protein HSP 90-beta, mapped to UniProt P08238. Sequence length is 724 aa.

Mapped IDP08238
Review nameHeat shock protein HSP 90-beta
OrganismHomo sapiens
Clinical Profile

Clinical Phase Distribution

5
Phase III
18
Phase II
1
Phase I
1
Phase 0.5
Assay Mix

Activity Type Distribution

IC50709.0
KI151.0
EC5035.0
KD199.0
Lead Set

Top Inhibitors (by pChEMBL)

ChEMBL IDpChEMBLTypeValue (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
Distribution

pChEMBL Value Distribution

106
5.0
90
5.5
128
6.0
110
6.5
117
7.0
93
7.5
40
8.0
21
8.5
3
9.0
0
9.5
pChEMBL
Assay Landscape

Assay Landscape

473
Total Assays
729
Tested Compounds
2
Assay Types
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

Confidence Score Distribution

Source · ChEMBL 36 via Core Engine