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Target Snapshot

CHEMBL1681620 Target Snapshot

Dihydrofolate reductase · SINGLE PROTEIN · Staphylococcus aureus

248Compounds
46Assays
4Approved Drugs
368.0Activities
Free Research Context

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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 P0A017. Use UniProt P0A017 as the stable identity anchor, then attach disease evidence before program review.

Review focus
Protein anchor ready

Use UniProt P0A017 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 Dihydrofolate reductase as ChEMBL target CHEMBL1681620, mapped to UniProt P0A017. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
Dihydrofolate reductase
SINGLE PROTEIN · Staphylococcus aureus
As of 2026-09-13
ChEMBL target ID
CHEMBL1681620
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-13
www.ebi.ac.uk
UniProt accession
P0A017
Dihydrofolate reductase
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 Dihydrofolate reductase is the right protein anchor across sources, using UniProt P0A017 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 LabelDihydrofolate reductase
UniProt AccessionP0A017
Component TypeProtein
Sequence Length159 aa

Dihydrofolate reductase

Source · UniProt accession via ChEMBL component mapping
Review Cue

How to read this target

Review this target as Dihydrofolate reductase, mapped to UniProt P0A017. Sequence length is 159 aa.

Mapped IDP0A017
Review nameDihydrofolate reductase
OrganismStaphylococcus aureus
Clinical Profile

Clinical Phase Distribution

4
Approved
2
Phase III
Assay Mix

Activity Type Distribution

IC50161.0
KI206.0
KD1.0
Lead Set

Top Inhibitors (by pChEMBL)

ChEMBL IDpChEMBLTypeValue (nM)Phase
CHEMBL3128015 11.0 Ki 0.01 Preclinical
CHEMBL3681407 10.96 Ki 0.011 Preclinical
CHEMBL3128018 10.96 Ki 0.011 Preclinical
CHEMBL3128014 10.96 Ki 0.011 Preclinical
CHEMBL3128026 10.92 Ki 0.012 Preclinical
CHEMBL3681408 10.72 Ki 0.019 Preclinical
CHEMBL3128017 10.72 Ki 0.019 Preclinical
CHEMBL1818127 10.7 Ki 0.02 Preclinical
CHEMBL3681412 10.68 Ki 0.021 Preclinical
CHEMBL3127912 10.66 Ki 0.022 Preclinical
Distribution

pChEMBL Value Distribution

5
5.0
16
5.5
22
6.0
29
6.5
39
7.0
50
7.5
45
8.0
44
8.5
28
9.0
14
9.5
pChEMBL
Approved Drugs

Approved Drugs

TRIMETHOPRIM
CHEMBL22
Approved 1973
METHOTREXATE
CHEMBL34259
Approved 1953
Assay Landscape

Assay Landscape

46
Total Assays
218
Tested Compounds
1
Assay Types
Binding — 46 assays, 218 compounds
BAO Format Assays Compounds Avg pChEMBL
single protein format 31 152 8.4
assay format 9 48 7.3
cell-based format 6 18 7.3

Confidence Score Distribution

Source · ChEMBL 36 via Core Engine