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Target Snapshot

CHEMBL4869 Target Snapshot

Major prion protein · SINGLE PROTEIN · Homo sapiens

378Compounds
9Assays
6Approved Drugs
256.0Activities
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Broader Open DB context

Frame the target before identity details

Structured disease, protein, and project context should read before the lower-level identity rail.

As of 2026-09-13

Protein identity stays anchored to UniProt P04156. Use UniProt P04156 as the stable identity anchor, then attach disease evidence before program review.

Review focus
Protein anchor ready

Use UniProt P04156 as the stable identity anchor, then attach disease evidence before program review.

ChEMBL component mapping + Open Targets-ready proxy + ChEMBL 36 via Core Engine 2026-09-13
Open source guide
Identity Layer

Cross-source identity

Keep the review anchor, source IDs, and context contract aligned before reusing this target elsewhere.

This review treats Major prion protein as ChEMBL target CHEMBL4869, mapped to UniProt P04156. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
Major prion protein
SINGLE PROTEIN · Homo sapiens
As of 2026-09-13
ChEMBL target ID
CHEMBL4869
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-13
www.ebi.ac.uk
UniProt accession
P04156
Major prion protein
UniProt accession via ChEMBL component mapping As of 2026-09-13
www.uniprot.org
Disease evidence contract
Open Targets-ready proxy
ChEMBL drug mechanism + indication proxy
ChEMBL drug mechanism + indication proxy As of 2026-09-13
www.ebi.ac.uk

Reuse the same identifiers in notes, watch rules, exports, and review packs so provenance stays stable across surfaces.

Source Guidance

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UniProt Target Context
UniProt accession via ChEMBL component mapping

Start here when your first question is whether Major prion protein is the right protein anchor across sources, using UniProt P04156 as the stable mapping.

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Disease Relevance & Evidence Level
ChEMBL drug mechanism + indication proxy

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Evidence Card
Review-ready rationale with source-aware context

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Overview

Basic Information

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UniProt Context

UniProt Target Context

Reviewable protein naming and mapping context for this target snapshot.

Protein LabelMajor prion protein
UniProt AccessionP04156
Component TypeProtein
Sequence Length253 aa

Major prion protein

Source · UniProt accession via ChEMBL component mapping
Review Cue

How to read this target

Review this target as Major prion protein, mapped to UniProt P04156. Sequence length is 253 aa.

Mapped IDP04156
Review nameMajor prion protein
OrganismHomo sapiens
Clinical Profile

Clinical Phase Distribution

6
Approved
1
Phase II
Assay Mix

Activity Type Distribution

IC50246.0
EC5010.0
Lead Set

Top Inhibitors (by pChEMBL)

ChEMBL IDpChEMBLTypeValue (nM)Phase
CHEMBL6061566 7.7 IC50 20.0 Preclinical
CHEMBL5779401 7.55 IC50 28.0 Preclinical
CHEMBL5907420 7.16 IC50 70.0 Preclinical
CHEMBL1499411 6.85 IC50 141.33 Preclinical
CHEMBL1489869 6.85 IC50 142.56 Preclinical
CHEMBL5901795 6.66 IC50 220.0 Preclinical
CHEMBL7568 6.52 EC50 300.0 Approved
CHEMBL1538068 6.49 IC50 320.71 Preclinical
CHEMBL1368980 6.38 IC50 412.1 Preclinical
CHEMBL1587670 6.12 IC50 759.13 Preclinical
Distribution

pChEMBL Value Distribution

138
5.0
64
5.5
10
6.0
4
6.5
1
7.0
2
7.5
0
8.0
0
8.5
0
9.0
0
9.5
pChEMBL
Approved Drugs

Approved Drugs

Assay Landscape

Assay Landscape

9
Total Assays
240
Tested Compounds
2
Assay Types
Binding — 8 assays, 11 compounds
BAO Format Assays Compounds Avg pChEMBL
single protein format 6 0
assay format 1 4 7.3
cell-based format 1 7 5.5
Functional — 1 assays, 240 compounds
BAO Format Assays Compounds Avg pChEMBL
cell-based format 1 240 5.4

Confidence Score Distribution

Source · ChEMBL 36 via Core Engine