Use UniProt Q8AWE3 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL2669 Target Snapshot
Serine-threonine protein phosphatase 2A regulatory subunit · SINGLE PROTEIN · Gallus gallus
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As of 2026-09-13Protein identity stays anchored to UniProt Q8AWE3. Use UniProt Q8AWE3 as the stable identity anchor, then attach disease evidence before program review.
Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B
Review this target as Serine-threonine protein phosphatase 2A regulatory subunit, mapped to UniProt Q8AWE3. ChEMBL maps the protein component as Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B. Sequence length is 426 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Serine-threonine protein phosphatase 2A regulatory subunit as ChEMBL target CHEMBL2669, mapped to UniProt Q8AWE3. Disease framing currently uses the Open Targets-ready proxy contract.
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| Preferred Name | Serine-threonine protein phosphatase 2A regulatory subunit |
| Target Type | SINGLE PROTEIN |
| Organism | Gallus gallus |
| UniProt | Q8AWE3 |
Next Actions
UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B |
| UniProt Accession | Q8AWE3 |
| Component Type | Protein |
| Sequence Length | 426 aa |
Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B
How to read this target
Review this target as Serine-threonine protein phosphatase 2A regulatory subunit, mapped to UniProt Q8AWE3. ChEMBL maps the protein component as Serine/threonine-protein phosphatase 2A 55 kDa regulatory subunit B. Sequence length is 426 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL415297 | 10.52 | IC50 | 0.03 | Preclinical |
| CHEMBL444092 | 10.0 | IC50 | 0.1 | Preclinical |
| CHEMBL430266 | 9.7 | IC50 | 0.2 | Preclinical |
| CHEMBL4524071 | 9.7 | IC50 | 0.2 | Preclinical |
| CHEMBL17738 | 9.52 | IC50 | 0.3 | Preclinical |
| CHEMBL280487 | 9.35 | IC50 | 0.45 | Preclinical |
| CHEMBL505512 | 9.15 | IC50 | 0.7 | Preclinical |
| CHEMBL385212 | 8.82 | IC50 | 1.5 | Preclinical |
| CHEMBL15785 | 8.82 | IC50 | 1.5 | Preclinical |
| CHEMBL17060 | 8.47 | IC50 | 3.4 | Preclinical |
pChEMBL Value Distribution
Approved Drugs
Assay Landscape
Binding — 20 assays, 47 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| single protein format | 19 | 41 | 7.2 |
| tissue-based format | 1 | 6 | 6.1 |