Ligand profile

CHEMBL1645545

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_0782 — FAD binding domain protein

Via homolog UniProt P21397 Formula C₁₆H₁₈N₂O
pchembl 8.41 ~3.9 nM
Mol. weight 254.33 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL1645545
UniProt (similar protein)
P21397
pchembl
8.410 (~3.9 nM)
Target protein
VK055_0782

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 254.33 Da
LogP (Crippen) 4.06
H-bond donors 1
H-bond acceptors 2
TPSA 37.91 Ų
Rotatable bonds 3
Aromatic rings 3 / 3
Heavy atoms 19
Fraction sp³ C 0.31
Formula C₁₆H₁₈N₂O

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 37.9
  • −1 ≤ LogP ≤ 5 4.06
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 254.3
  • LogP ≤ 5 4.06
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 2
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 37.9
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1nccc2c1[nH]c1cc(OCC(C)C)ccc12
InChI 
InChI=1S/C16H18N2O/c1-10(2)9-19-12-4-5-13-14-6-7-17-11(3)16(14)18-15(13)8-12/h4-8,10,18H,9H2,1-3H3
InChIKey 
VRVCIYIVKIFEPH-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)