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Evidence Snapshot

PI3-kinase p110-delta/p85-alpha

CHEMBL2111432 PROTEIN COMPLEX Homo sapiens
Source Header

ChEMBL 36 via Core Engine

Target Snapshot 2026-09-13T21:25:44Z
Source · ChEMBL 36 via Core Engine
ChEMBL ChEMBL 36 CHEMBL2111432
Identity Layer

Cross-source identity

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

This review treats PI3-kinase p110-delta/p85-alpha as ChEMBL target CHEMBL2111432, mapped to UniProt P27986. Disease framing currently uses the Open Targets-ready proxy contract.

Review anchor
PI3-kinase p110-delta/p85-alpha
PROTEIN COMPLEX · Homo sapiens
As of 2026-09-13
ChEMBL target ID
CHEMBL2111432
Primary anchor for compounds, assays, approvals, and exports
ChEMBL 36 via Core Engine As of 2026-09-13
www.ebi.ac.uk
UniProt accession
P27986
Phosphatidylinositol 3-kinase regulatory subunit alpha
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 PI3-kinase p110-delta/p85-alpha matters

As of 2026-09-13

PI3-kinase p110-delta/p85-alpha is reviewed as Phosphatidylinositol 3-kinase regulatory subunit alpha (UniProt P27986); the current evidence base includes 5 approved drugs, 1435 compounds, and 131 assays, with lead potency reaching pChEMBL 11.0.

Protein context
Phosphatidylinositol 3-kinase regulatory subunit alpha

Phosphatidylinositol 3-kinase regulatory subunit alpha Sequence length is 724 aa.

Review this target as PI3-kinase p110-delta/p85-alpha, mapped to UniProt P27986. ChEMBL maps the protein component as Phosphatidylinositol 3-kinase regulatory subunit alpha. Sequence length is 724 aa.

Protein source · UniProt accession via ChEMBL component mapping
UniProt P27986 Protein
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 5 approved drugs, 1435 compounds, and 131 assays for this target. The dominant activity type is IC50. CHEMBL4850297 is the current potency anchor at pChEMBL 11.0.

Use CHEMBL4850297 as the tractability anchor when discussing potency (pChEMBL 11.0).

Activity source · ChEMBL 36 via Core Engine
5 approved pChEMBL 11.0
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 PI3-kinase p110-delta/p85-alpha 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 P27986, 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.

1435
Total Compounds
131
Total Assays
5
Approved Drugs
IC50: 1433.0, KI: 117.0, EC50: 1.0, KD: 1.0
Activity Types

pChEMBL Activity Distribution

Top 5 Inhibitors (by pChEMBL)

Structure Compound pChEMBL Type Phase
No preferred name
CHEMBL4850297
11.0 Ki
No preferred name
CHEMBL4869783
11.0 Ki
No preferred name
CHEMBL4167702
10.9 Ki
No preferred name
CHEMBL4858875
10.8 Ki
No preferred name
CHEMBL4873390
10.6 Ki

Approved Drugs

Structure Compound First Approval
UMBRALISIB
CHEMBL3948730
2021
ALPELISIB
CHEMBL2396661
2019
DUVELISIB
CHEMBL3039502
2018
COPANLISIB
CHEMBL3218576
2017
IDELALISIB
CHEMBL2216870
2014
← Target Page
Source Header

ChEMBL 36 via Core Engine

Target Snapshot 2026-09-13T21:25:44Z
Source · ChEMBL 36 via Core Engine
ChEMBL ChEMBL 36 CHEMBL2111432