Ligand profile

CHEMBL274513

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_0782 — FAD binding domain protein

Via homolog UniProt P19643 Formula C₁₈H₁₇NO₄
pchembl 9.10 ~0.8 nM
Mol. weight 311.34 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL274513
UniProt (similar protein)
P19643
pchembl
9.100 (~0.8 nM)
Target protein
VK055_0782

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 311.34 Da
LogP (Crippen) 3.85
H-bond donors 0
H-bond acceptors 5
TPSA 65.47 Ų
Rotatable bonds 4
Aromatic rings 3 / 4
Heavy atoms 23
Fraction sp³ C 0.33
Formula C₁₈H₁₇NO₄

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 65.5
  • −1 ≤ LogP ≤ 5 3.85
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 311.3
  • LogP ≤ 5 3.85
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 65.5
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1c(C)c2ccc(OCc3cc(C4CC4)on3)cc2oc1=O
InChI 
InChI=1S/C18H17NO4/c1-10-11(2)18(20)22-17-8-14(5-6-15(10)17)21-9-13-7-16(23-19-13)12-3-4-12/h5-8,12H,3-4,9H2,1-2H3
InChIKey 
ZMQCEAWOLZEWGD-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
PF01593

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_0782.

PDB 4

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)