Use UniProt Q9UNQ0 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL5393 Target Snapshot
Broad substrate specificity ATP-binding cassette transporter ABCG2 · SINGLE PROTEIN · Homo sapiens
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As of 2026-09-13Protein identity stays anchored to UniProt Q9UNQ0. Use UniProt Q9UNQ0 as the stable identity anchor, then attach disease evidence before program review.
Broad substrate specificity ATP-binding cassette transporter ABCG2
Review this target as Broad substrate specificity ATP-binding cassette transporter ABCG2, mapped to UniProt Q9UNQ0. Sequence length is 655 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Broad substrate specificity ATP-binding cassette transporter ABCG2 as ChEMBL target CHEMBL5393, mapped to UniProt Q9UNQ0. Disease framing currently uses the Open Targets-ready proxy contract.
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| Preferred Name | Broad substrate specificity ATP-binding cassette transporter ABCG2 |
| Target Type | SINGLE PROTEIN |
| Organism | Homo sapiens |
| UniProt | Q9UNQ0 |
Next Actions
UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Broad substrate specificity ATP-binding cassette transporter ABCG2 |
| UniProt Accession | Q9UNQ0 |
| Component Type | Protein |
| Sequence Length | 655 aa |
Broad substrate specificity ATP-binding cassette transporter ABCG2
How to read this target
Review this target as Broad substrate specificity ATP-binding cassette transporter ABCG2, mapped to UniProt Q9UNQ0. Sequence length is 655 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL2141796 | 10.99 | EC50 | 0.01019 | Preclinical |
| CHEMBL2145384 | 10.99 | EC50 | 0.01013 | Preclinical |
| CHEMBL2142245 | 10.96 | EC50 | 0.01088 | Preclinical |
| CHEMBL2137928 | 10.92 | EC50 | 0.01209 | Preclinical |
| CHEMBL2141666 | 10.64 | EC50 | 0.02297 | Preclinical |
| CHEMBL2130718 | 10.63 | EC50 | 0.02338 | Preclinical |
| CHEMBL2137680 | 10.39 | EC50 | 0.04093 | Preclinical |
| CHEMBL2140166 | 10.39 | EC50 | 0.04032 | Preclinical |
| CHEMBL2135227 | 10.35 | EC50 | 0.04419 | Preclinical |
| CHEMBL2133727 | 10.32 | EC50 | 0.04775 | Preclinical |
pChEMBL Value Distribution
Approved Drugs
Assay Landscape
Binding — 640 assays, 1,414 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 506 | 1,204 | 6.2 |
| single protein format | 60 | 61 | 6.3 |
| assay format | 50 | 87 | 7.1 |
| cell membrane format | 18 | 44 | 5.6 |
| tissue-based format | 6 | 18 | 6.3 |
ADME — 115 assays, 6 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 91 | 1 | 5.6 |
| single protein format | 17 | 3 | 4.8 |
| assay format | 2 | 2 | 4.8 |
| cell membrane format | 2 | 0 | — |
| mitochondrion format | 2 | 0 | — |
| tissue-based format | 1 | 0 | — |
Functional — 111 assays, 129 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 74 | 13 | 5.9 |
| cell membrane format | 33 | 4 | 5.9 |
| assay format | 4 | 112 | 7.2 |
Toxicity — 1 assays, 4 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell membrane format | 1 | 4 | 4.6 |