Ligand profile

CHEMBL2321944

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_0552 — fused predicted DNA-binding transcriptional regulator and predicted amino transferase

Via homolog UniProt Q8N5Z0 Formula C₁₅H₁₄N₂O₃
pchembl 8.15 ~7.1 nM
Mol. weight 270.29 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL2321944
UniProt (similar protein)
Q8N5Z0
pchembl
8.150 (~7.1 nM)
Target protein
VK055_0552

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 270.29 Da
LogP (Crippen) 2.08
H-bond donors 2
H-bond acceptors 4
TPSA 75.79 Ų
Rotatable bonds 2
Aromatic rings 2 / 3
Heavy atoms 20
Fraction sp³ C 0.13
Formula C₁₅H₁₄N₂O₃

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 75.8
  • −1 ≤ LogP ≤ 5 2.08
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 270.3
  • LogP ≤ 5 2.08
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 2
  • TPSA ≤ 140 Ų 75.8
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
N[C@H]1Cc2cc(Oc3ccccc3)ccc2N(O)C1=O
InChI 
InChI=1S/C15H14N2O3/c16-13-9-10-8-12(20-11-4-2-1-3-5-11)6-7-14(10)17(19)15(13)18/h1-8,13,19H,9,16H2/t13-/m0/s1
InChIKey 
COBQSWIQOSRUIK-ZDUSSCGKSA-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
Activity
Active
Binding sites
PF00155

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_0552.

PDB 20

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)