Ligand profile

CHEMBL4282357

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_0532 — alpha/beta hydrolase fold family protein

Via homolog UniProt P23141 Formula C₁₈H₁₂O₄
pchembl 8.62 ~2.4 nM
Mol. weight 292.29 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL4282357
UniProt (similar protein)
P23141
pchembl
8.620 (~2.4 nM)
Target protein
VK055_0532

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 292.29 Da
LogP (Crippen) 3.67
H-bond donors 0
H-bond acceptors 4
TPSA 60.42 Ų
Rotatable bonds 0
Aromatic rings 4 / 4
Heavy atoms 22
Fraction sp³ C 0.11
Formula C₁₈H₁₂O₄

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 60.4
  • −1 ≤ LogP ≤ 5 3.67
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 292.3
  • LogP ≤ 5 3.67
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 0
  • TPSA ≤ 140 Ų 60.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1cccc2c1ccc1c3occ(C)c3c(=O)oc(=O)c21
InChI 
InChI=1S/C18H12O4/c1-9-4-3-5-12-11(9)6-7-13-15(12)18(20)22-17(19)14-10(2)8-21-16(13)14/h3-8H,1-2H3
InChIKey 
KHARNRTVXDAWSR-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
PF00135

External resources

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

Other ligands for this protein

Quick navigation to other ligands bound to VK055_0532.

PDB 17

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

Ligand PDB entry

ChEMBL 99

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)