Resolved chemical identity

UNC8732

Studied · no deposited PWWP research ligand

Neutral parent/reference identity shown separately from the experimentally assayed preparation; salt, solvent and lot composition not independently established.

NSD2 PWWP1

3 assay / association records1 preparations0 research-ligand PDB entries

No deposited PWWP research-ligand geometry is classified for this preparation in the selected release. Deposition of a buffer/ion is not binding evidence.

Clinical / development status: Not independently curated. A chemical probe classification does not imply medicinal approval.

Identity is separate from preparation

Chemical identity

Stable identity: INCHIKEY:CSTHTJLTORVUST-UHFFFAOYSA-N
Full InChIKey: CSTHTJLTORVUST-UHFFFAOYSA-N
Source identity status: resolved reference identity
Deposited CCD identifiers: No exact CCD mapping curated
External identifiers: PubChem CID: 169945751

Reference formula: C35H39N5O5
Calculated molecular weight: 609.727
Calculated descriptors: cLogP 4.4784 · TPSA 134.07 Å² · HBD 3 · HBA 6RDKit 2025.09.3; calculations for this source identity, not experimental measurements.
Depiction validation: verified smiles full inchikey match

SMILES, InChI & complete identity record

Isomeric SMILES: C1CC1N(CC2=CC=C(C=C2)C(=O)NC3=CC4=C(CN(CC4)C(=O)CCCCCN)C=C3)C(=O)C5=CC6=C(C=C5)NC(=O)CO6
InChI: InChI=1S/C35H39N5O5/c36-16-3-1-2-4-33(42)39-17-15-25-18-28(11-9-27(25)21-39)37-34(43)24-7-5-23(6-8-24)20-40(29-12-13-29)35(44)26-10-14-30-31(19-26)45-22-32(41)38-30/h5-11,14,18-19,29H,1-4,12-13,15-17,20-22,36H2,(H,37,43)(H,38,41)

{
  "aliases": [],
  "bound_pose": false,
  "canonical_smiles": "C1CC1N(CC2=CC=C(C=C2)C(=O)NC3=CC4=C(CN(CC4)C(=O)CCCCCN)C=C3)C(=O)C5=CC6=C(C=C5)NC(=O)CO6",
  "ccd_ids": [],
  "chemical_id": "INCHIKEY:CSTHTJLTORVUST-UHFFFAOYSA-N",
  "clinical_status": "not independently assessed",
  "curation_version": "phase5-1.0.0",
  "external_identifiers": {
    "PubChem CID": "169945751"
  },
  "identity_status": "resolved_reference_identity",
  "identity_verification": "PubChem full neutral-parent identity compared with primary Nie2024 Table1 drawing; source preparation distinguished from parent",
  "inchi": "InChI=1S/C35H39N5O5/c36-16-3-1-2-4-33(42)39-17-15-25-18-28(11-9-27(25)21-39)37-34(43)24-7-5-23(6-8-24)20-40(29-12-13-29)35(44)26-10-14-30-31(19-26)45-22-32(41)38-30/h5-11,14,18-19,29H,1-4,12-13,15-17,20-22,36H2,(H,37,43)(H,38,41)",
  "inchikey": "CSTHTJLTORVUST-UHFFFAOYSA-N",
  "isomeric_smiles": "C1CC1N(CC2=CC=C(C=C2)C(=O)NC3=CC4=C(CN(CC4)C(=O)CCCCCN)C=C3)C(=O)C5=CC6=C(C=C5)NC(=O)CO6",
  "molecular_formula": "C35H39N5O5",
  "molecular_weight": "609.7",
  "name": "UNC8732",
  "primary_name": "UNC8732",
  "pubchem_cid": "169945751",
  "retrieval_date": "2026-10-26",
  "smiles": "C1CC1N(CC2=CC=C(C=C2)C(=O)NC3=CC4=C(CN(CC4)C(=O)CCCCCN)C=C3)C(=O)C5=CC6=C(C=C5)NC(=O)CO6",
  "source_url": "https://pubchem.ncbi.nlm.nih.gov/compound/169945751",
  "source_urls": [
    "https://pubchem.ncbi.nlm.nih.gov/compound/169945751"
  ],
  "version": "phase5.chemical_curation.1.1.0"
}

Measured target and original context

Bioactivity & experimental observations

Download assay CSV

Each row is one source-specific observation. Repeated measurements of this compound are not independent compounds. Direct binding, functional displacement and cellular outcomes retain their distinct endpoints.

Preparation	Tested target & construct	Method / endpoint	Original observation	Conditions & uncertainty	Source & verification
UNC8732PREP:UNC8732	NSD2 PWWP1 Construct not curatedHomo sapiens	KdSPR Kddirect binding affinity	= 76 ± 4 nM0.076 µM · exact unit conversion	Experimental context Replicates 3 independent experiments Uncertainty definition SD Temperature °C Buffer Not curated Conditions Not curated Qualification Exact domain is stated; assay construct boundaries and full buffer were not independently recovered. Original table image and supporting SPR panel inspected.	PMID:38965384 · 2024Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures Original observation record { "assay_construct_end": null, "assay_construct_start": null, "assay_context": "purified_domain", "assay_organism": "Homo sapiens", "assay_record_id": "PWWP5:ASSAY:0021", "assay_type": "SPR Kd", "assay_value_transferred_to_modeled_stereoisomers": false, "ccd_id": null, "chemical_id": "INCHIKEY:CSTHTJLTORVUST-UHFFFAOYSA-N", "compound_name": "UNC8732", "conditions": {}, "domain": "PWWP1", "domain_id": "UP:O96028:PWWP1", "endpoint": "Kd", "evidence_class": "direct_binding_affinity", "evidence_location": "Table 1; Supplementary Figure 1", "evidence_url": "https://www.nature.com/articles/s41589-024-01660-y", "gene": "NSD2", "inclusion_rationale": "Primary source explicitly identifies this preparation, target context and observation.", "is_negative": false, "numeric_transcription_status": "source_preserved", "numeric_value_inferred_from_structure": false, "pdb_id": null, "preparation_id": "PREP:UNC8732", "protein_id": "UP:O96028", "publication_year": 2024, "reference_id": "PMID:38965384", "remaining_uncertainty": "Exact domain is stated; assay construct boundaries and full buffer were not independently recovered. Original table image and supporting SPR panel inspected.", "replicates": "3 independent experiments", "retrieval_date": "2026-10-26", "role": "reported_degrader", "source_id": "P5:S:NIE2024", "source_reported_uncertainty": "4", "source_reported_units": "nM", "source_reported_value": "76", "source_verification_scope": "Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures", "uncertainty": 4, "uncertainty_type": "SD", "uncertainty_uM": 0.004, "units": "nM", "value": 76, "value_operator": "=", "value_uM": 0.076, "verification_level": "primary_source_verified", "version": "phase5.chemical_curation.1.1.0" }
UNC8732PREP:UNC8732	NSD2 · protein-level evidence Construct not curatedHomo sapiens	DmaxIn-cell western degradationcellular protein degradation	= 97 ± 2 percent	Experimental context Replicates 3 independent experiments Uncertainty definition SD Temperature °C Buffer Not curated Conditions {'cell_line': 'U2OS'} Qualification Cell line confirmed in Supplementary Figure 2; exact duration not filled from a different experiment.	PMID:38965384 · 2024Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures Original observation record { "assay_construct_end": null, "assay_construct_start": null, "assay_context": "cellular_full_protein", "assay_organism": "Homo sapiens", "assay_record_id": "PWWP5:ASSAY:0022", "assay_type": "In-cell western degradation", "assay_value_transferred_to_modeled_stereoisomers": false, "ccd_id": null, "chemical_id": "INCHIKEY:CSTHTJLTORVUST-UHFFFAOYSA-N", "compound_name": "UNC8732", "conditions": { "cell_line": "U2OS" }, "domain": null, "domain_id": null, "endpoint": "Dmax", "evidence_class": "cellular_protein_degradation", "evidence_location": "Table 1; Supplementary Figure 2", "evidence_url": "https://www.nature.com/articles/s41589-024-01660-y", "gene": "NSD2", "inclusion_rationale": "Primary source explicitly identifies this preparation, target context and observation.", "is_negative": false, "numeric_transcription_status": "source_preserved", "numeric_value_inferred_from_structure": false, "pdb_id": null, "preparation_id": "PREP:UNC8732", "protein_id": "UP:O96028", "publication_year": 2024, "reference_id": "PMID:38965384", "remaining_uncertainty": "Cell line confirmed in Supplementary Figure 2; exact duration not filled from a different experiment.", "replicates": "3 independent experiments", "retrieval_date": "2026-10-26", "role": "reported_degrader", "source_id": "P5:S:NIE2024", "source_reported_uncertainty": "2", "source_reported_units": "percent", "source_reported_value": "97", "source_verification_scope": "Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures", "uncertainty": 2, "uncertainty_type": "SD", "uncertainty_uM": null, "units": "percent", "value": 97, "value_operator": "=", "value_uM": null, "verification_level": "primary_source_verified", "version": "phase5.chemical_curation.1.1.0" }
UNC8732PREP:UNC8732	NSD2 · protein-level evidence Construct not curatedHomo sapiens	DC50In-cell western degradationcellular protein degradation	= 0.06 ± 0.03 µM0.06 µM · exact unit conversion	Experimental context Replicates 3 independent experiments Uncertainty definition SD Temperature °C Buffer Not curated Conditions {'cell_line': 'U2OS'} Qualification Cell line confirmed in Supplementary Figure 2; exact duration not filled from a different experiment.	PMID:38965384 · 2024Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures Original observation record { "assay_construct_end": null, "assay_construct_start": null, "assay_context": "cellular_full_protein", "assay_organism": "Homo sapiens", "assay_record_id": "PWWP5:ASSAY:0023", "assay_type": "In-cell western degradation", "assay_value_transferred_to_modeled_stereoisomers": false, "ccd_id": null, "chemical_id": "INCHIKEY:CSTHTJLTORVUST-UHFFFAOYSA-N", "compound_name": "UNC8732", "conditions": { "cell_line": "U2OS" }, "domain": null, "domain_id": null, "endpoint": "DC50", "evidence_class": "cellular_protein_degradation", "evidence_location": "Table 1; Supplementary Figure 2", "evidence_url": "https://www.nature.com/articles/s41589-024-01660-y", "gene": "NSD2", "inclusion_rationale": "Primary source explicitly identifies this preparation, target context and observation.", "is_negative": false, "numeric_transcription_status": "source_preserved", "numeric_value_inferred_from_structure": false, "pdb_id": null, "preparation_id": "PREP:UNC8732", "protein_id": "UP:O96028", "publication_year": 2024, "reference_id": "PMID:38965384", "remaining_uncertainty": "Cell line confirmed in Supplementary Figure 2; exact duration not filled from a different experiment.", "replicates": "3 independent experiments", "retrieval_date": "2026-10-26", "role": "reported_degrader", "source_id": "P5:S:NIE2024", "source_reported_uncertainty": "0.03", "source_reported_units": "\u00b5M", "source_reported_value": "0.06", "source_verification_scope": "Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures", "uncertainty": 0.03, "uncertainty_type": "SD", "uncertainty_uM": 0.03, "units": "\u00b5M", "value": 0.06, "value_operator": "=", "value_uM": 0.06, "verification_level": "primary_source_verified", "version": "phase5.chemical_curation.1.1.0" }

Preparation

Tested target & construct

Method / endpoint

Original observation

Conditions & uncertainty

Source & verification

UNC8732PREP:UNC8732

NSD2 PWWP1
Construct not curatedHomo sapiens

KdSPR Kddirect binding affinity

= 76 ± 4 nM0.076 µM · exact unit conversion

Experimental context

Replicates: 3 independent experiments
Uncertainty definition: SD
Temperature: °C
Buffer: Not curated
Conditions: Not curated
Qualification: Exact domain is stated; assay construct boundaries and full buffer were not independently recovered. Original table image and supporting SPR panel inspected.

PMID:38965384 · 2024Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures

Original observation record

{
  "assay_construct_end": null,
  "assay_construct_start": null,
  "assay_context": "purified_domain",
  "assay_organism": "Homo sapiens",
  "assay_record_id": "PWWP5:ASSAY:0021",
  "assay_type": "SPR Kd",
  "assay_value_transferred_to_modeled_stereoisomers": false,
  "ccd_id": null,
  "chemical_id": "INCHIKEY:CSTHTJLTORVUST-UHFFFAOYSA-N",
  "compound_name": "UNC8732",
  "conditions": {},
  "domain": "PWWP1",
  "domain_id": "UP:O96028:PWWP1",
  "endpoint": "Kd",
  "evidence_class": "direct_binding_affinity",
  "evidence_location": "Table 1; Supplementary Figure 1",
  "evidence_url": "https://www.nature.com/articles/s41589-024-01660-y",
  "gene": "NSD2",
  "inclusion_rationale": "Primary source explicitly identifies this preparation, target context and observation.",
  "is_negative": false,
  "numeric_transcription_status": "source_preserved",
  "numeric_value_inferred_from_structure": false,
  "pdb_id": null,
  "preparation_id": "PREP:UNC8732",
  "protein_id": "UP:O96028",
  "publication_year": 2024,
  "reference_id": "PMID:38965384",
  "remaining_uncertainty": "Exact domain is stated; assay construct boundaries and full buffer were not independently recovered. Original table image and supporting SPR panel inspected.",
  "replicates": "3 independent experiments",
  "retrieval_date": "2026-10-26",
  "role": "reported_degrader",
  "source_id": "P5:S:NIE2024",
  "source_reported_uncertainty": "4",
  "source_reported_units": "nM",
  "source_reported_value": "76",
  "source_verification_scope": "Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures",
  "uncertainty": 4,
  "uncertainty_type": "SD",
  "uncertainty_uM": 0.004,
  "units": "nM",
  "value": 76,
  "value_operator": "=",
  "value_uM": 0.076,
  "verification_level": "primary_source_verified",
  "version": "phase5.chemical_curation.1.1.0"
}

UNC8732PREP:UNC8732

NSD2 · protein-level evidence
Construct not curatedHomo sapiens

DmaxIn-cell western degradationcellular protein degradation

= 97 ± 2 percent

Experimental context

Replicates: 3 independent experiments
Uncertainty definition: SD
Temperature: °C
Buffer: Not curated
Conditions: {'cell_line': 'U2OS'}
Qualification: Cell line confirmed in Supplementary Figure 2; exact duration not filled from a different experiment.

PMID:38965384 · 2024Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures

Original observation record

{
  "assay_construct_end": null,
  "assay_construct_start": null,
  "assay_context": "cellular_full_protein",
  "assay_organism": "Homo sapiens",
  "assay_record_id": "PWWP5:ASSAY:0022",
  "assay_type": "In-cell western degradation",
  "assay_value_transferred_to_modeled_stereoisomers": false,
  "ccd_id": null,
  "chemical_id": "INCHIKEY:CSTHTJLTORVUST-UHFFFAOYSA-N",
  "compound_name": "UNC8732",
  "conditions": {
    "cell_line": "U2OS"
  },
  "domain": null,
  "domain_id": null,
  "endpoint": "Dmax",
  "evidence_class": "cellular_protein_degradation",
  "evidence_location": "Table 1; Supplementary Figure 2",
  "evidence_url": "https://www.nature.com/articles/s41589-024-01660-y",
  "gene": "NSD2",
  "inclusion_rationale": "Primary source explicitly identifies this preparation, target context and observation.",
  "is_negative": false,
  "numeric_transcription_status": "source_preserved",
  "numeric_value_inferred_from_structure": false,
  "pdb_id": null,
  "preparation_id": "PREP:UNC8732",
  "protein_id": "UP:O96028",
  "publication_year": 2024,
  "reference_id": "PMID:38965384",
  "remaining_uncertainty": "Cell line confirmed in Supplementary Figure 2; exact duration not filled from a different experiment.",
  "replicates": "3 independent experiments",
  "retrieval_date": "2026-10-26",
  "role": "reported_degrader",
  "source_id": "P5:S:NIE2024",
  "source_reported_uncertainty": "2",
  "source_reported_units": "percent",
  "source_reported_value": "97",
  "source_verification_scope": "Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures",
  "uncertainty": 2,
  "uncertainty_type": "SD",
  "uncertainty_uM": null,
  "units": "percent",
  "value": 97,
  "value_operator": "=",
  "value_uM": null,
  "verification_level": "primary_source_verified",
  "version": "phase5.chemical_curation.1.1.0"
}

UNC8732PREP:UNC8732

NSD2 · protein-level evidence
Construct not curatedHomo sapiens

DC50In-cell western degradationcellular protein degradation

= 0.06 ± 0.03 µM0.06 µM · exact unit conversion

Experimental context

Replicates: 3 independent experiments
Uncertainty definition: SD
Temperature: °C
Buffer: Not curated
Conditions: {'cell_line': 'U2OS'}
Qualification: Cell line confirmed in Supplementary Figure 2; exact duration not filled from a different experiment.

PMID:38965384 · 2024Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures

Original observation record

{
  "assay_construct_end": null,
  "assay_construct_start": null,
  "assay_context": "cellular_full_protein",
  "assay_organism": "Homo sapiens",
  "assay_record_id": "PWWP5:ASSAY:0023",
  "assay_type": "In-cell western degradation",
  "assay_value_transferred_to_modeled_stereoisomers": false,
  "ccd_id": null,
  "chemical_id": "INCHIKEY:CSTHTJLTORVUST-UHFFFAOYSA-N",
  "compound_name": "UNC8732",
  "conditions": {
    "cell_line": "U2OS"
  },
  "domain": null,
  "domain_id": null,
  "endpoint": "DC50",
  "evidence_class": "cellular_protein_degradation",
  "evidence_location": "Table 1; Supplementary Figure 2",
  "evidence_url": "https://www.nature.com/articles/s41589-024-01660-y",
  "gene": "NSD2",
  "inclusion_rationale": "Primary source explicitly identifies this preparation, target context and observation.",
  "is_negative": false,
  "numeric_transcription_status": "source_preserved",
  "numeric_value_inferred_from_structure": false,
  "pdb_id": null,
  "preparation_id": "PREP:UNC8732",
  "protein_id": "UP:O96028",
  "publication_year": 2024,
  "reference_id": "PMID:38965384",
  "remaining_uncertainty": "Cell line confirmed in Supplementary Figure 2; exact duration not filled from a different experiment.",
  "replicates": "3 independent experiments",
  "retrieval_date": "2026-10-26",
  "role": "reported_degrader",
  "source_id": "P5:S:NIE2024",
  "source_reported_uncertainty": "0.03",
  "source_reported_units": "\u00b5M",
  "source_reported_value": "0.06",
  "source_verification_scope": "Official publisher Table 1 image visually inspected; table footnote and Supplementary Figures 1-2 inspected; identities compared to primary structures",
  "uncertainty": 0.03,
  "uncertainty_type": "SD",
  "uncertainty_uM": 0.03,
  "units": "\u00b5M",
  "value": 0.06,
  "value_operator": "=",
  "value_uM": 0.06,
  "verification_level": "primary_source_verified",
  "version": "phase5.chemical_curation.1.1.0"
}

Exact deposited instances

Experimental structures

No verified exact-identity bound structure

The biochemical or cellular evidence remains fully available. No artificial pose has been assigned.

Preparations, identities and controls remain separate

Experimental context

UNC8732

PREP:UNC8732

Neutral parent/reference identity shown separately from the experimentally assayed preparation; salt, solvent and lot composition not independently established.

reported degrader

Complete preparation record

{
  "chemical_id": "INCHIKEY:CSTHTJLTORVUST-UHFFFAOYSA-N",
  "clinical_status": "not independently assessed",
  "curation_version": "phase5-1.0.0",
  "entity_type": "small_molecule_preparation",
  "identity_note": "Neutral parent/reference identity shown separately from the experimentally assayed preparation; salt, solvent and lot composition not independently established.",
  "identity_status": "resolved_reference_parent_preparation_form_unresolved",
  "molecular_entity_type": "small_molecule_preparation",
  "name": "UNC8732",
  "phase5_identity_overlay": false,
  "preparation_id": "PREP:UNC8732",
  "retrieval_date": "2026-10-26",
  "role": "reported_degrader",
  "source_id": "P5:S:NIE2024",
  "source_url": "https://www.nature.com/articles/s41589-024-01660-y",
  "version": "phase5.chemical_curation.1.1.0"
}

Source-supported relationships

Relationship	Related identity / preparation	Scope	Source
has negative control for	UNC8884	matched PWWP1-binding negative control	Source

Provenance and reproducibility

Sources & downloads

https://pubchem.ncbi.nlm.nih.gov/compound/169945751 https://www.nature.com/articles/s41589-024-01660-y

Download complete evidence JSON Curation methods & source receipts

Snapshot 2026-10-26 · phase5-1.0.0 · original measurements, operators, constructs and uncertainty are retained in the exports.