Binder profile

ZINC1638844

Virtual-screening candidate from ZINC.

Bound to: PA1523 — xanthine dehydrogenase

Via homolog UniProt Q9Z0U5 C14H12ClNOS
Tanimoto 0.74
Mol. weight 277.78 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
ZINC1638844
UniProt (similar protein)
Q9Z0U5
Tanimoto
0.738
Target protein
PA1523

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 277.78 Da
LogP (Crippen) 3.94
H-bond donors 1
H-bond acceptors 3
TPSA 23.47 Ų
Rotatable bonds 2
Aromatic rings 2 / 3
Heavy atoms 18
Fraction sp³ C 0.14
Formula C14H12ClNOS

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.

Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 277.8
  • LogP ≤ 5 3.94
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 2
  • TPSA ≤ 140 Ų 23.5
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
OCCN1c2ccccc2Sc2ccc(Cl)cc21
InChI 
InChI=1S/C14H12ClNOS/c15-10-5-6-14-12(9-10)16(7-8-17)11-3-1-2-4-13(11)18-14/h1-6,9,17H,7-8H2
InChIKey 
FROIENHSRFXVDC-UHFFFAOYSA-N

Provenance

Annotation context from LigQ_2, the internal TPW step that collects PDB, ChEMBL, and ZINC ligand evidence.

Method
LigQ nearest_k
Query
CHEMBL567
Homolog
Q9Z0U5

External resources

Open this ligand in third-party databases and cheminformatics tools.

Other binders for this protein

Quick navigation to other ligands bound to PA1523.

PDB 20

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

Ligand PDB entry

ChEMBL 100

Compounds with measured inhibitory activity on this target (higher pchembl = more potent).

Compound Potency (pchembl)

ZINC 49

Virtual screening candidates selected by structural similarity to known actives (Tanimoto ≥ 0.5).

Compound Similarity (Tanimoto)