Ligand profile

CHEMBL3660734

Bioactivity hit from ChEMBL on a similar protein.

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

Via homolog UniProt P05091 Formula C₂₁H₁₈N₂O₄S
pchembl 6.58 ~263.0 nM
Mol. weight 394.45 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL3660734
UniProt (similar protein)
P05091
pchembl
6.580 (~263.0 nM)
Target protein
KP13_02494

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 394.45 Da
LogP (Crippen) 2.40
H-bond donors 2
H-bond acceptors 5
TPSA 88.41 Ų
Rotatable bonds 3
Aromatic rings 3 / 4
Heavy atoms 28
Fraction sp³ C 0.19
Formula C₂₁H₁₈N₂O₄S

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 88.4
  • −1 ≤ LogP ≤ 5 2.40
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 394.5
  • LogP ≤ 5 2.40
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 88.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CS(=O)(=O)Nc1ccc(-c2coc3cc(C#CC4CNC4)ccc3c2=O)cc1
InChI 
InChI=1S/C21H18N2O4S/c1-28(25,26)23-17-7-5-16(6-8-17)19-13-27-20-10-14(2-3-15-11-22-12-15)4-9-18(20)21(19)24/h4-10,13,15,22-23H,11-12H2,1H3
InChIKey 
DCGVWHFCXLFMMB-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
244355
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)