Use UniProt O55242 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL3465 Target Snapshot
Sigma non-opioid intracellular receptor 1 · SINGLE PROTEIN · Mus musculus
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As of 2026-09-14Protein identity stays anchored to UniProt O55242. Use UniProt O55242 as the stable identity anchor, then attach disease evidence before program review.
Sigma non-opioid intracellular receptor 1
Review this target as Sigma non-opioid intracellular receptor 1, mapped to UniProt O55242. Sequence length is 223 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Sigma non-opioid intracellular receptor 1 as ChEMBL target CHEMBL3465, mapped to UniProt O55242. Disease framing currently uses the Open Targets-ready proxy contract.
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Start here when your first question is whether Sigma non-opioid intracellular receptor 1 is the right protein anchor across sources, using UniProt O55242 as the stable mapping.
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Open Review-ready CardBasic Information
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| Preferred Name | Sigma non-opioid intracellular receptor 1 |
| Target Type | SINGLE PROTEIN |
| Organism | Mus musculus |
| UniProt | O55242 |
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UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Sigma non-opioid intracellular receptor 1 |
| UniProt Accession | O55242 |
| Component Type | Protein |
| Sequence Length | 223 aa |
Sigma non-opioid intracellular receptor 1
How to read this target
Review this target as Sigma non-opioid intracellular receptor 1, mapped to UniProt O55242. Sequence length is 223 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL342267 | 9.0 | Ki | 1.0 | Preclinical |
| CHEMBL592 | 8.72 | Ki | 1.9 | Approved |
| CHEMBL134684 | 8.7 | Ki | 2.0 | Preclinical |
| CHEMBL136495 | 8.7 | Ki | 2.0 | Preclinical |
| CHEMBL136615 | 8.7 | Ki | 2.0 | Preclinical |
| CHEMBL136642 | 8.7 | Ki | 2.0 | Preclinical |
| CHEMBL137768 | 8.7 | Ki | 2.0 | Preclinical |
| CHEMBL335327 | 8.7 | Ki | 2.0 | Preclinical |
| CHEMBL344422 | 8.7 | Ki | 2.0 | Preclinical |
| CHEMBL538532 | 8.7 | Ki | 2.0 | Preclinical |
pChEMBL Value Distribution
Approved Drugs
Assay Landscape
Binding — 11 assays, 152 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| single protein format | 5 | 147 | 7.7 |
| cell membrane format | 4 | 1 | 8.5 |
| cell-based format | 2 | 4 | 6.5 |