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Evidence Snapshot

Protein phosphatase 1B

CHEMBL2845 SINGLE PROTEIN Homo sapiens
Source Header

ChEMBL 36 via Core Engine

Target Snapshot 2026-09-13T20:44:12Z
Source · ChEMBL 36 via Core Engine
ChEMBL ChEMBL 36 CHEMBL2845
Identity Layer

Cross-source identity

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

This review treats Protein phosphatase 1B as ChEMBL target CHEMBL2845, mapped to UniProt O75688. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
Protein phosphatase 1B
SINGLE PROTEIN · Homo sapiens
As of 2026-09-13
ChEMBL target ID
CHEMBL2845
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-13
www.ebi.ac.uk
UniProt accession
O75688
Protein phosphatase 1B
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.

Review-ready Target Rationale

Why Protein phosphatase 1B matters

As of 2026-09-13

Protein phosphatase 1B is reviewed as Protein phosphatase 1B (UniProt O75688); the current evidence base includes 1 approved drug, 66 compounds, and 9 assays, with lead potency reaching pChEMBL 9.5.

Disease context
Disease signal

Disease relevance is not yet populated for this evidence card.

This disease block keeps the Open Targets-ready contract explicit while current evidence comes from ChEMBL mechanism and indication mappings.

ChEMBL target record
Activity base
Portfolio and assay base

ChEMBL currently tracks 1 approved drug, 66 compounds, and 9 assays for this target. The dominant activity type is IC50. CHEMBL421377 is the current potency anchor at pChEMBL 9.5.

Use CHEMBL421377 as the tractability anchor when discussing potency (pChEMBL 9.5).

Activity source · ChEMBL 36 via Core Engine
1 approved pChEMBL 9.5
Source Guidance

Start with the right source

Pick the first block or linked source that matches the review question in front of you.

Need the shortest review narrative first?
Review-ready Target Rationale
One-page rationale with as-of-date and attribution

Start with the review rationale when you need to explain why Protein phosphatase 1B matters before drilling into raw source blocks.

Jump to Review Rationale
Need stable protein naming or accession mapping?
UniProt Target Context
UniProt accession via ChEMBL component mapping

Go back to the target snapshot when you need the naming and mapping contract behind UniProt O75688, not just the summarized rationale.

Open Protein Context
Need disease fit or evidence level for program framing?
Disease Relevance & Evidence Level
ChEMBL drug mechanism + indication proxy

Use the target snapshot disease block when you need the disease program and supporting signals, not only the card summary.

Open Disease Context

Snapshot State

No project snapshot selected. Export uses the live evidence card state.

66
Total Compounds
9
Total Assays
1
Approved Drugs
IC50: 69.0, KI: 1.0
Activity Types

pChEMBL Activity Distribution

Top 5 Inhibitors (by pChEMBL)

Structure Compound pChEMBL Type Phase
No preferred name
CHEMBL421377
 9.5 IC50 —
No preferred name
CHEMBL280487
 6.9 IC50 —
No preferred name
CHEMBL48449
 6.4 IC50 Approved
No preferred name
CHEMBL5188453
 6.3 Ki —
No preferred name
CHEMBL8327
 6.2 IC50 —

Approved Drugs

Structure Compound First Approval
CANTHARIDIN
CHEMBL48449
 2023
← Target Page
Source Header

ChEMBL 36 via Core Engine

Target Snapshot 2026-09-13T20:44:12Z
Source · ChEMBL 36 via Core Engine
ChEMBL ChEMBL 36 CHEMBL2845