Use UniProt P04626 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL2111431 Target Snapshot
Epidermal growth factor receptor and ErbB2 (HER1 and HER2) · PROTEIN FAMILY · Homo sapiens
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As of 2026-09-14Protein identity stays anchored to UniProt P04626. Use UniProt P04626 as the stable identity anchor, then attach disease evidence before program review.
Receptor tyrosine-protein kinase erbB-2
Review this target as Epidermal growth factor receptor and ErbB2 (HER1 and HER2), mapped to UniProt P04626. ChEMBL maps the protein component as Receptor tyrosine-protein kinase erbB-2. Sequence length is 1255 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Epidermal growth factor receptor and ErbB2 (HER1 and HER2) as ChEMBL target CHEMBL2111431, mapped to UniProt P04626. Disease framing currently uses the Open Targets-ready proxy contract.
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| Preferred Name | Epidermal growth factor receptor and ErbB2 (HER1 and HER2) |
| Target Type | PROTEIN FAMILY |
| Organism | Homo sapiens |
| UniProt | P04626 |
Next Actions
UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Receptor tyrosine-protein kinase erbB-2 |
| UniProt Accession | P04626 |
| Component Type | Protein |
| Sequence Length | 1255 aa |
Receptor tyrosine-protein kinase erbB-2
How to read this target
Review this target as Epidermal growth factor receptor and ErbB2 (HER1 and HER2), mapped to UniProt P04626. ChEMBL maps the protein component as Receptor tyrosine-protein kinase erbB-2. Sequence length is 1255 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL160846 | 7.96 | IC50 | 11.0 | Preclinical |
| CHEMBL155761 | 7.92 | IC50 | 12.0 | Preclinical |
| CHEMBL160303 | 7.92 | IC50 | 12.0 | Preclinical |
| CHEMBL422347 | 7.55 | IC50 | 28.0 | Preclinical |
| CHEMBL157084 | 7.27 | IC50 | 54.0 | Preclinical |
| CHEMBL29197 | 7.16 | IC50 | 70.0 | Preclinical |
| CHEMBL116595 | 6.89 | IC50 | 130.0 | Preclinical |
| CHEMBL1203088 | 6.8 | IC50 | 160.0 | Preclinical |
| CHEMBL109428 | 6.75 | IC50 | 180.0 | Preclinical |
| CHEMBL111038 | 6.72 | IC50 | 190.0 | Preclinical |
pChEMBL Value Distribution
Approved Drugs
Assay Landscape
Binding — 33 assays, 65 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 27 | 10 | 5.5 |
| protein format | 6 | 55 | 5.8 |
Functional — 7 assays, 37 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| assay format | 4 | 31 | 5.7 |
| cell-based format | 3 | 6 | — |