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Target Snapshot

CHEMBL3988638 Target Snapshot

Voltage-dependent L-type calcium channel alpha1C/alpha2delta/beta1b · PROTEIN COMPLEX · Homo sapiens

52Compounds
4Assays
0Approved Drugs
42.0Activities
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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 2026-09-14

Protein identity stays anchored to UniProt P54289. Use UniProt P54289 as the stable identity anchor, then attach disease evidence before program review.

Review focus
Protein anchor ready

Use UniProt P54289 as the stable identity anchor, then attach disease evidence before program review.

ChEMBL component mapping + Open Targets-ready proxy + ChEMBL 36 via Core Engine 2026-09-14
Open source guide
Protein anchor
Voltage-dependent calcium channel subunit alpha-2/delta-1

Voltage-dependent calcium channel subunit alpha-2/delta-1

Review this target as Voltage-dependent L-type calcium channel alpha1C/alpha2delta/beta1b, mapped to UniProt P54289. ChEMBL maps the protein component as Voltage-dependent calcium channel subunit alpha-2/delta-1. Sequence length is 1103 aa.

Protein source · UniProt accession via ChEMBL component mapping
UniProt P54289 Protein 1103 aa
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Identity Layer

Cross-source identity

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This review treats Voltage-dependent L-type calcium channel alpha1C/alpha2delta/beta1b as ChEMBL target CHEMBL3988638, mapped to UniProt P54289. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
Voltage-dependent L-type calcium channel alpha1C/alpha2delta/beta1b
PROTEIN COMPLEX · Homo sapiens
As of 2026-09-14
ChEMBL target ID
CHEMBL3988638
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-14
www.ebi.ac.uk
UniProt accession
P54289
Voltage-dependent calcium channel subunit alpha-2/delta-1
UniProt accession via ChEMBL component mapping As of 2026-09-14
www.uniprot.org
Disease evidence contract
Open Targets-ready proxy
ChEMBL drug mechanism + indication proxy
ChEMBL drug mechanism + indication proxy As of 2026-09-14
www.ebi.ac.uk

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UniProt Target Context
UniProt accession via ChEMBL component mapping

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Disease Relevance & Evidence Level
ChEMBL drug mechanism + indication proxy

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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 LabelVoltage-dependent calcium channel subunit alpha-2/delta-1
UniProt AccessionP54289
Component TypeProtein
Sequence Length1103 aa

Voltage-dependent calcium channel subunit alpha-2/delta-1

Source · UniProt accession via ChEMBL component mapping
Review Cue

How to read this target

Review this target as Voltage-dependent L-type calcium channel alpha1C/alpha2delta/beta1b, mapped to UniProt P54289. ChEMBL maps the protein component as Voltage-dependent calcium channel subunit alpha-2/delta-1. Sequence length is 1103 aa.

Mapped IDP54289
Review nameVoltage-dependent L-type calcium channel alpha1C/alpha2delta/beta1b
OrganismHomo sapiens
Clinical Profile

Clinical Phase Distribution

1
Phase II
Assay Mix

Activity Type Distribution

IC5042.0
Lead Set

Top Inhibitors (by pChEMBL)

ChEMBL IDpChEMBLTypeValue (nM)Phase
CHEMBL603465 6.21 IC50 610.0 Preclinical
CHEMBL596942 5.99 IC50 1030.0 Preclinical
CHEMBL597969 5.96 IC50 1100.0 Preclinical
CHEMBL605965 5.96 IC50 1100.0 Preclinical
CHEMBL589285 5.85 IC50 1400.0 Preclinical
CHEMBL598392 5.85 IC50 1400.0 Preclinical
CHEMBL599408 5.8 IC50 1600.0 Preclinical
CHEMBL606175 5.8 IC50 1600.0 Preclinical
CHEMBL597788 5.75 IC50 1800.0 Preclinical
CHEMBL599217 5.74 IC50 1840.0 Preclinical
Distribution

pChEMBL Value Distribution

15
5.0
13
5.5
1
6.0
0
6.5
0
7.0
0
7.5
0
8.0
0
8.5
0
9.0
0
9.5
pChEMBL
Assay Landscape

Assay Landscape

4
Total Assays
34
Tested Compounds
1
Assay Types
Binding — 4 assays, 34 compounds
BAO Format Assays Compounds Avg pChEMBL
cell-based format 4 34 5.3

Confidence Score Distribution

Source · ChEMBL 36 via Core Engine