Ligand profile

CHEMBL4169953

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_00002 — putative transport protein hsrA

Via homolog UniProt A0R5K5 Formula C₁₃H₉ClN₂O
Mol. weight 244.68 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL4169953
UniProt (similar protein)
A0R5K5
Target protein
KP13_00002

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 244.68 Da
LogP (Crippen) 2.81
H-bond donors 0
H-bond acceptors 3
TPSA 34.37 Ų
Rotatable bonds 0
Aromatic rings 3 / 3
Heavy atoms 17
Fraction sp³ C 0.08
Formula C₁₃H₉ClN₂O

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 34.4
  • −1 ≤ LogP ≤ 5 2.81
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 244.7
  • LogP ≤ 5 2.81
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 0
  • TPSA ≤ 140 Ų 34.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1cccn2c(=O)c3cccc(Cl)c3nc12
InChI 
InChI=1S/C13H9ClN2O/c1-8-4-3-7-16-12(8)15-11-9(13(16)17)5-2-6-10(11)14/h2-7H,1H3
InChIKey 
GUYSOLSJMOHGTH-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
Activity
Active
Binding sites
PF07690

External resources

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

Other ligands for this protein

Quick navigation to other ligands bound to KP13_00002.

PDB 5

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

Ligand PDB entry

ChEMBL 22

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)