Ligand profile

CHEMBL4857551

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_19569 — Betaine aldehyde dehydrogenase

Via homolog UniProt P47895 Formula C₁₈H₁₃FN₄OS
pchembl 6.30 ~501.2 nM
Mol. weight 352.39 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL4857551
UniProt (similar protein)
P47895
pchembl
6.300 (~501.2 nM)
Target protein
KP13_19569

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 352.39 Da
LogP (Crippen) 3.31
H-bond donors 0
H-bond acceptors 6
TPSA 52.19 Ų
Rotatable bonds 4
Aromatic rings 4 / 4
Heavy atoms 25
Fraction sp³ C 0.06
Formula C₁₈H₁₃FN₄OS

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 52.2
  • −1 ≤ LogP ≤ 5 3.31
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 352.4
  • LogP ≤ 5 3.31
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 52.2
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
O=c1c2cncn2nc(SCc2cccc(F)c2)n1-c1ccccc1
InChI 
InChI=1S/C18H13FN4OS/c19-14-6-4-5-13(9-14)11-25-18-21-22-12-20-10-16(22)17(24)23(18)15-7-2-1-3-8-15/h1-10,12H,11H2
InChIKey 
JQMRMXRIKNIDPW-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_19569.

PDB 11

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

Ligand PDB entry

ChEMBL 83

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)