Use UniProt Q09472 as the stable identity anchor, then attach disease evidence before program review.
CHEMBL3883300 Target Snapshot
CREB-binding protein/Histone acetyltransferase p300 · PROTEIN FAMILY · Homo sapiens
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As of 2026-09-14Protein identity stays anchored to UniProt Q09472. Use UniProt Q09472 as the stable identity anchor, then attach disease evidence before program review.
Histone acetyltransferase p300
Review this target as CREB-binding protein/Histone acetyltransferase p300, mapped to UniProt Q09472. ChEMBL maps the protein component as Histone acetyltransferase p300. Sequence length is 2414 aa.
Protein source · UniProt accession via ChEMBL component mappingCross-source identity
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This review treats CREB-binding protein/Histone acetyltransferase p300 as ChEMBL target CHEMBL3883300, mapped to UniProt Q09472. Disease framing currently uses the Open Targets-ready proxy contract.
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| Preferred Name | CREB-binding protein/Histone acetyltransferase p300 |
| Target Type | PROTEIN FAMILY |
| Organism | Homo sapiens |
| UniProt | Q09472 |
Next Actions
UniProt Target Context
Reviewable protein naming and mapping context for this target snapshot.
| Protein Label | Histone acetyltransferase p300 |
| UniProt Accession | Q09472 |
| Component Type | Protein |
| Sequence Length | 2414 aa |
Histone acetyltransferase p300
How to read this target
Review this target as CREB-binding protein/Histone acetyltransferase p300, mapped to UniProt Q09472. ChEMBL maps the protein component as Histone acetyltransferase p300. Sequence length is 2414 aa.
Clinical Phase Distribution
Activity Type Distribution
Top Inhibitors (by pChEMBL)
| ChEMBL ID | pChEMBL | Type | Value (nM) | Phase |
|---|---|---|---|---|
| CHEMBL5220994 | 8.5 | EC50 | 3.162 | Preclinical |
| CHEMBL5219667 | 8.2 | EC50 | 6.31 | Preclinical |
| CHEMBL4217213 | 8.18 | EC50 | 6.6 | Preclinical |
| CHEMBL5219177 | 8.1 | EC50 | 7.943 | Preclinical |
| CHEMBL3902514 | 8.0 | IC50 | 10.0 | Preclinical |
| CHEMBL4095153 | 7.92 | EC50 | 12.0 | Preclinical |
| CHEMBL5219693 | 7.9 | EC50 | 12.59 | Preclinical |
| CHEMBL5220956 | 7.8 | EC50 | 15.85 | Preclinical |
| CHEMBL4208820 | 7.75 | EC50 | 18.0 | Preclinical |
| CHEMBL5090131 | 7.75 | Kd | 17.7 | Preclinical |
pChEMBL Value Distribution
Assay Landscape
Binding — 149 assays, 173 compounds
| BAO Format | Assays | Compounds | Avg pChEMBL |
|---|---|---|---|
| cell-based format | 129 | 67 | 6.5 |
| protein format | 12 | 90 | 6.5 |
| assay format | 6 | 16 | 6.9 |
| subcellular format | 1 | 0 | — |
| tissue-based format | 1 | 0 | — |