Ligand profile

CHEMBL4863668

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_02494 — 5-carboxymethyl-2-hydroxymuconate semialdehyde dehydrogenase

Via homolog UniProt P47895 Formula C₂₂H₂₂N₄OS
pchembl 6.89 ~128.8 nM
Mol. weight 390.51 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL4863668
UniProt (similar protein)
P47895
pchembl
6.890 (~128.8 nM)
Target protein
KP13_02494

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 390.51 Da
LogP (Crippen) 4.61
H-bond donors 0
H-bond acceptors 6
TPSA 52.71 Ų
Rotatable bonds 5
Aromatic rings 4 / 4
Heavy atoms 28
Fraction sp³ C 0.23
Formula C₂₂H₂₂N₄OS

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 4.61
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 390.5
  • LogP ≤ 5 4.61
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 52.7
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CC(C)C(Sc1nc2c(cnn2C)c(=O)n1-c1ccccc1)c1ccccc1
InChI 
InChI=1S/C22H22N4OS/c1-15(2)19(16-10-6-4-7-11-16)28-22-24-20-18(14-23-25(20)3)21(27)26(22)17-12-8-5-9-13-17/h4-15,19H,1-3H3
InChIKey 
KPVOMFSRGWGDAC-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
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_02494.

PDB 15

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)