Skip to main content
Free research Free research Free target review with research home and workspace preview
Quick search ChEMBL 36
Loading Target Snapshot...
Querying ChEMBL database. This may take a few seconds.
Target Snapshot

CHEMBL4751 Target Snapshot

Cysteine protease · SINGLE PROTEIN · Leishmania donovani

30Compounds
2Assays
0Approved Drugs
11.0Activities
Free Research Context

Research home keeps recent targets

This target will appear in recent viewed items on this browser. Use the demo workspace to preview watch rules and decision queues.

Navigation

Switch target

Move to another high-traffic target or paste a specific ChEMBL target ID.

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 Q95WR6. Use UniProt Q95WR6 as the stable identity anchor, then attach disease evidence before program review.

Review focus
Protein anchor ready

Use UniProt Q95WR6 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
Identity Layer

Cross-source identity

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

This review treats Cysteine protease as ChEMBL target CHEMBL4751, mapped to UniProt Q95WR6. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
Cysteine protease
SINGLE PROTEIN · Leishmania donovani
As of 2026-09-14
ChEMBL target ID
CHEMBL4751
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-14
www.ebi.ac.uk
UniProt accession
Q95WR6
Cysteine protease
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

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

Source Guidance

Start with the right source

Choose the first block or source based on the question you are trying to answer.

Need stable target naming and protein identity?
UniProt Target Context
UniProt accession via ChEMBL component mapping

Start here when your first question is whether Cysteine protease is the right protein anchor across sources, using UniProt Q95WR6 as the stable mapping.

Jump to Protein Context
Need disease fit before discussing compounds?
Disease Relevance & Evidence Level
ChEMBL drug mechanism + indication proxy

Use this block first when you need the strongest disease program and evidence level in one place.

Jump to Disease Context
Need a meeting-ready explanation of why this target matters?
Evidence Card
Review-ready rationale with source-aware context

Open the one-page evidence card when you want the rationale, activity base, and attribution together.

Open Review-ready Card
Overview

Basic Information

Verify identity, organism, and the fastest next research jumps from the same page.

UniProt Context

UniProt Target Context

Reviewable protein naming and mapping context for this target snapshot.

Protein LabelCysteine protease
UniProt AccessionQ95WR6
Component TypeProtein
Sequence Length394 aa

Cysteine protease

Source · UniProt accession via ChEMBL component mapping
Review Cue

How to read this target

Review this target as Cysteine protease, mapped to UniProt Q95WR6. Sequence length is 394 aa.

Mapped IDQ95WR6
Review nameCysteine protease
OrganismLeishmania donovani
Clinical Profile

Clinical Phase Distribution

1
Phase II
Assay Mix

Activity Type Distribution

IC5011.0
Lead Set

Top Inhibitors (by pChEMBL)

ChEMBL IDpChEMBLTypeValue (nM)Phase
CHEMBL191881 8.0 IC50 10.0 Preclinical
CHEMBL296588 6.8 IC50 160.0 Clinical
CHEMBL204200 4.63 IC50 23500.0 Preclinical
CHEMBL204036 4.6 IC50 24900.0 Preclinical
CHEMBL426667 4.5 IC50 31400.0 Preclinical
CHEMBL381970 4.37 IC50 43000.0 Preclinical
CHEMBL426564 4.2 IC50 62600.0 Preclinical
CHEMBL222870 4.18 IC50 65300.0 Preclinical
CHEMBL224801 4.14 IC50 72000.0 Preclinical
Distribution

pChEMBL Value Distribution

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

Assay Landscape

2
Total Assays
11
Tested Compounds
1
Assay Types
Binding — 2 assays, 11 compounds
BAO Format Assays Compounds Avg pChEMBL
single protein format 2 11 5.0

Confidence Score Distribution

Source · ChEMBL 36 via Core Engine