Ligand profile

CHEMBL15192

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_00855 — 3-mercaptopyruvate sulfurtransferase

Via homolog UniProt Q16762 Formula C₁₅H₁₄O₃
pchembl 6.92 ~120.2 nM
Mol. weight 242.27 Da
Permeability High
PAINS Alert

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL15192
UniProt (similar protein)
Q16762
pchembl
6.920 (~120.2 nM)
Target protein
KP13_00855

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 242.27 Da
LogP (Crippen) 2.75
H-bond donors 0
H-bond acceptors 3
TPSA 43.37 Ų
Rotatable bonds 0
Aromatic rings 1 / 3
Heavy atoms 18
Fraction sp³ C 0.33
Formula C₁₅H₁₄O₃

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 43.4
  • −1 ≤ LogP ≤ 5 2.75
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 242.3
  • LogP ≤ 5 2.75
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 0
  • TPSA ≤ 140 Ų 43.4
PAINS Alert

Matches PAINS filter: imine_one_A(321). May be a frequent false positive in HTS — review carefully.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CC1(C)CCC2=C(O1)c1ccccc1C(=O)C2=O
InChI 
InChI=1S/C15H14O3/c1-15(2)8-7-11-13(17)12(16)9-5-3-4-6-10(9)14(11)18-15/h3-6H,7-8H2,1-2H3
InChIKey 
QZPQTZZNNJUOLS-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
PF00581

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_00855.

PDB 5

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

Ligand PDB entry

ChEMBL 7

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)