Ligand profile

CHEMBL521827

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_4032 — flavodoxin-like fold family protein

Via homolog UniProtP16083 FormulaC₁₇H₁₆N₂O₅
pchembl 7.25 ~56.2 nM
Mol. weight 328.32 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL521827
UniProt (similar protein)
P16083
pchembl
7.250 (~56.2 nM)
Target protein
VK055_4032

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 328.32 Da
LogP (Crippen) 3.18
H-bond donors 2
H-bond acceptors 5
TPSA 93.71 Ų
Rotatable bonds 5
Aromatic rings 3 / 3
Heavy atoms 24
Fraction sp³ C 0.18
Formula C₁₇H₁₆N₂O₅

Drug-likeness

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

Permeability proxy Check

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 93.7
  • −1 ≤ LogP ≤ 5 3.18
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 328.3
  • LogP ≤ 5 3.18
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 93.7
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES
COC(=O)Nc1ccc2occ(CCNC(=O)c3ccco3)c2c1
InChI
InChI=1S/C17H16N2O5/c1-22-17(21)19-12-4-5-14-13(9-12)11(10-24-14)6-7-18-16(20)15-3-2-8-23-15/h2-5,8-10H,6-7H2,1H3,(H,18,20)(H,19,21)
InChIKey
VFPAHXTUSUVJEM-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
PF02525

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_4032.

PDB 38

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)