Ligand profile

CHEMBL4876076

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_04095 — Aldehyde dehydrogenase

Via homolog UniProt P47895 Formula C₂₁H₂₀N₄OS
pchembl 6.92 ~120.2 nM
Mol. weight 376.49 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL4876076
UniProt (similar protein)
P47895
pchembl
6.920 (~120.2 nM)
Target protein
KP13_04095

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 376.49 Da
LogP (Crippen) 4.36
H-bond donors 0
H-bond acceptors 6
TPSA 52.71 Ų
Rotatable bonds 5
Aromatic rings 4 / 4
Heavy atoms 27
Fraction sp³ C 0.19
Formula C₂₁H₂₀N₄OS

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 4.36
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 376.5
  • LogP ≤ 5 4.36
  • 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 
CCC(Sc1nc2c(cnn2C)c(=O)n1-c1ccccc1)c1ccccc1
InChI 
InChI=1S/C21H20N4OS/c1-3-18(15-10-6-4-7-11-15)27-21-23-19-17(14-22-24(19)2)20(26)25(21)16-12-8-5-9-13-16/h4-14,18H,3H2,1-2H3
InChIKey 
UJZUXSRRZFTERS-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_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)