Use UniProt P31421 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL2851 Target Snapshot
Metabotropic glutamate receptor 2 · SINGLE PROTEIN · Rattus norvegicus
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As of 2026-09-13Protein identity stays anchored to UniProt P31421. Use UniProt P31421 as the stable identity anchor, then attach disease evidence before program review.
Metabotropic glutamate receptor 2
Review this target as Metabotropic glutamate receptor 2, mapped to UniProt P31421. Sequence length is 872 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats Metabotropic glutamate receptor 2 as ChEMBL target CHEMBL2851, mapped to UniProt P31421. Disease framing currently uses the Open Targets-ready proxy contract.
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Start here when your first question is whether Metabotropic glutamate receptor 2 is the right protein anchor across sources, using UniProt P31421 as the stable mapping.
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Open Review-ready CardBasic Information
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| Preferred Name | Metabotropic glutamate receptor 2 |
| Target Type | SINGLE PROTEIN |
| Organism | Rattus norvegicus |
| UniProt | P31421 |
Next Actions
UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Metabotropic glutamate receptor 2 |
| UniProt Accession | P31421 |
| Component Type | Protein |
| Sequence Length | 872 aa |
Metabotropic glutamate receptor 2
How to read this target
Review this target as Metabotropic glutamate receptor 2, mapped to UniProt P31421. Sequence length is 872 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL121053 | 9.24 | EC50 | 0.57 | Preclinical |
| CHEMBL5571283 | 9.24 | EC50 | 0.5754 | Preclinical |
| CHEMBL275079 | 9.22 | EC50 | 0.6 | Preclinical |
| CHEMBL365305 | 8.97 | Ki | 1.06 | Preclinical |
| CHEMBL182972 | 8.84 | Ki | 1.45 | Preclinical |
| CHEMBL365680 | 8.83 | Ki | 1.48 | Preclinical |
| CHEMBL184983 | 8.79 | Ki | 1.61 | Preclinical |
| CHEMBL263312 | 8.75 | Ki | 1.79 | Preclinical |
| CHEMBL1631876 | 8.7 | IC50 | 2.0 | Preclinical |
| CHEMBL1629855 | 8.7 | IC50 | 2.0 | Preclinical |
pChEMBL Value Distribution
Assay Landscape
Functional — 86 assays, 248 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 55 | 182 | 6.6 |
| assay format | 23 | 63 | 6.5 |
| single protein format | 4 | 1 | 7.3 |
| cell membrane format | 3 | 1 | 6.8 |
| tissue-based format | 1 | 1 | 8.0 |
Binding — 64 assays, 402 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 43 | 273 | 7.0 |
| single protein format | 17 | 93 | 7.4 |
| assay format | 4 | 36 | 6.5 |