Ligand profile

CHEMBL4873090

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_19569 — Betaine aldehyde dehydrogenase

Via homolog UniProt P47895 Formula C₂₁H₁₅N₃O₂S
pchembl 6.82 ~151.4 nM
Mol. weight 373.44 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL4873090
UniProt (similar protein)
P47895
pchembl
6.820 (~151.4 nM)
Target protein
KP13_19569

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 373.44 Da
LogP (Crippen) 3.75
H-bond donors 0
H-bond acceptors 6
TPSA 56.89 Ų
Rotatable bonds 2
Aromatic rings 4 / 5
Heavy atoms 27
Fraction sp³ C 0.10
Formula C₂₁H₁₅N₃O₂S

Drug-likeness

Descriptor-based ADME screening flags from SMILES. These are not experimental toxicity results.

Permeability proxy High

Estimated from TPSA and LogP only: TPSA ≤ 90 Ų and −1 ≤ LogP ≤ 5 are treated as a favorable small-molecule permeability screen.

  • TPSA ≤ 90 Ų 56.9
  • −1 ≤ LogP ≤ 5 3.75
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 373.4
  • LogP ≤ 5 3.75
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 2
  • TPSA ≤ 140 Ų 56.9
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cn1ncc2c(=O)n(-c3ccccc3)c3c(c21)C(=O)C(c1ccccc1)S3
InChI 
InChI=1S/C21H15N3O2S/c1-23-17-15(12-22-23)20(26)24(14-10-6-3-7-11-14)21-16(17)18(25)19(27-21)13-8-4-2-5-9-13/h2-12,19H,1H3
InChIKey 
UVOQKRFCRCAEQR-UHFFFAOYSA-N

Provenance

Annotation context from LigQ_2, the internal Target step that collects PDB, ChEMBL, and ZINC ligand evidence.

Method
LigQ nearest_k
Source
ChEMBL
Binding sites
PF00171

External resources

Open this ligand in third-party databases and cheminformatics tools.

Other ligands for this protein

Quick navigation to other ligands bound to KP13_19569.

PDB 11

Ligands co-crystallized with this protein (structural evidence).

Ligand PDB entry

ChEMBL 83

Compounds with measured inhibitory activity on this target (higher pchembl = more potent).

Compound Potency (pchembl)

ZINC 50

Virtual screening candidates selected by structural similarity to known actives (Tanimoto ≥ 0.5).

Compound Similarity (Tanimoto)