Ligand profile

CHEMBL4876602

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_04095 — Aldehyde dehydrogenase

Via homolog UniProt P47895 Formula C₂₀H₁₈N₄OS
pchembl 7.47 ~33.9 nM
Mol. weight 362.46 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL4876602
UniProt (similar protein)
P47895
pchembl
7.470 (~33.9 nM)
Target protein
KP13_04095

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 362.46 Da
LogP (Crippen) 3.97
H-bond donors 0
H-bond acceptors 6
TPSA 52.71 Ų
Rotatable bonds 4
Aromatic rings 4 / 4
Heavy atoms 26
Fraction sp³ C 0.15
Formula C₂₀H₁₈N₄OS

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 52.7
  • −1 ≤ LogP ≤ 5 3.97
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 362.5
  • LogP ≤ 5 3.97
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 52.7
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
C[C@@H](Sc1nc2c(cnn2C)c(=O)n1-c1ccccc1)c1ccccc1
InChI 
InChI=1S/C20H18N4OS/c1-14(15-9-5-3-6-10-15)26-20-22-18-17(13-21-23(18)2)19(25)24(20)16-11-7-4-8-12-16/h3-14H,1-2H3/t14-/m1/s1
InChIKey 
JNPNRKXZLIGUCT-CQSZACIVSA-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
PF00171

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_04095.

PDB 12

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)