Use UniProt P51812 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL2345 Target Snapshot
Ribosomal protein S6 kinase alpha-3 · SINGLE PROTEIN · Homo sapiens
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As of 2026-09-13Protein identity stays anchored to UniProt P51812. Use UniProt P51812 as the stable identity anchor, then attach disease evidence before program review.
Ribosomal protein S6 kinase alpha-3
Review this target as Ribosomal protein S6 kinase alpha-3, mapped to UniProt P51812. Sequence length is 740 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Ribosomal protein S6 kinase alpha-3 as ChEMBL target CHEMBL2345, mapped to UniProt P51812. Disease framing currently uses the Open Targets-ready proxy contract.
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Open Review-ready CardBasic Information
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| Preferred Name | Ribosomal protein S6 kinase alpha-3 |
| Target Type | SINGLE PROTEIN |
| Organism | Homo sapiens |
| UniProt | P51812 |
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UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Ribosomal protein S6 kinase alpha-3 |
| UniProt Accession | P51812 |
| Component Type | Protein |
| Sequence Length | 740 aa |
Ribosomal protein S6 kinase alpha-3
How to read this target
Review this target as Ribosomal protein S6 kinase alpha-3, mapped to UniProt P51812. Sequence length is 740 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL388978 | 10.1 | IC50 | 0.0795 | Preclinical |
| CHEMBL3673622 | 9.7 | IC50 | 0.2 | Preclinical |
| CHEMBL3673631 | 9.57 | IC50 | 0.27 | Preclinical |
| CHEMBL4292020 | 9.52 | IC50 | 0.3 | Preclinical |
| CHEMBL3673624 | 9.47 | IC50 | 0.34 | Preclinical |
| CHEMBL3673609 | 9.41 | IC50 | 0.39 | Preclinical |
| CHEMBL3702836 | 9.27 | Kd | 0.54 | Preclinical |
| CHEMBL3673603 | 9.11 | IC50 | 0.78 | Preclinical |
| CHEMBL1933280 | 9.0 | IC50 | 1.0 | Preclinical |
| CHEMBL495727 | 9.0 | IC50 | 1.0 | Clinical |
pChEMBL Value Distribution
Approved Drugs
Assay Landscape
Binding — 706 assays, 505 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| single protein format | 444 | 396 | 6.7 |
| cell-based format | 118 | 66 | 6.5 |
| assay format | 76 | 20 | 6.7 |
| subcellular format | 65 | 16 | 5.6 |
| tissue-based format | 3 | 7 | 6.0 |
Functional — 1 assays, 426 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| assay format | 1 | 426 | 6.0 |