Use UniProt Q8X6S1 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL5502 Target Snapshot
Modulator of drug activity A · SINGLE PROTEIN · Escherichia coli O157:H7
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As of 2026-09-14Protein identity stays anchored to UniProt Q8X6S1. Use UniProt Q8X6S1 as the stable identity anchor, then attach disease evidence before program review.
Oxygen-insensitive NADPH nitroreductase
Review this target as Modulator of drug activity A, mapped to UniProt Q8X6S1. ChEMBL maps the protein component as Oxygen-insensitive NADPH nitroreductase. Sequence length is 240 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Modulator of drug activity A as ChEMBL target CHEMBL5502, mapped to UniProt Q8X6S1. Disease framing currently uses the Open Targets-ready proxy contract.
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| Preferred Name | Modulator of drug activity A |
| Target Type | SINGLE PROTEIN |
| Organism | Escherichia coli O157:H7 |
| UniProt | Q8X6S1 |
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UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Oxygen-insensitive NADPH nitroreductase |
| UniProt Accession | Q8X6S1 |
| Component Type | Protein |
| Sequence Length | 240 aa |
Oxygen-insensitive NADPH nitroreductase
How to read this target
Review this target as Modulator of drug activity A, mapped to UniProt Q8X6S1. ChEMBL maps the protein component as Oxygen-insensitive NADPH nitroreductase. Sequence length is 240 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL23065 | 7.0 | IC50 | 100.0 | Preclinical |
| CHEMBL22592 | 6.72 | IC50 | 190.0 | Preclinical |
| CHEMBL23216 | 6.64 | IC50 | 230.0 | Preclinical |
| CHEMBL23612 | 6.6 | IC50 | 250.0 | Preclinical |
| CHEMBL23330 | 6.05 | IC50 | 890.0 | Clinical |
| CHEMBL23355 | 5.72 | IC50 | 1900.0 | Preclinical |
| CHEMBL23558 | 5.47 | IC50 | 3400.0 | Preclinical |
| CHEMBL23938 | 5.4 | IC50 | 4000.0 | Preclinical |
| CHEMBL22728 | 5.12 | IC50 | 7500.0 | Preclinical |
| CHEMBL23066 | 5.03 | IC50 | 9300.0 | Preclinical |
pChEMBL Value Distribution
Assay Landscape
Functional — 3 assays, 16 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| assay format | 3 | 16 | 5.5 |