Binder profile

ZINC4543519

Virtual-screening candidate from ZINC.

Bound to: PA1962 — FMN-dependent NADH-azoreductase

Via homolog UniProt C0STY1 C16H13N3O3S
Tanimoto 0.78
Mol. weight 327.37 Da
Permeability Check
PAINS Alert

Identifiers

Database identifiers and provenance.

Ligand ID
ZINC4543519
UniProt (similar protein)
C0STY1
Tanimoto
0.784
Target protein
PA1962

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 327.37 Da
LogP (Crippen) 3.61
H-bond donors 2
H-bond acceptors 5
TPSA 105.11 Ų
Rotatable bonds 3
Aromatic rings 3 / 3
Heavy atoms 23
Fraction sp³ C 0.00
Formula C16H13N3O3S

Drug-likeness

Descriptor-based ADME screening flags from SMILES. These are not experimental toxicity results.

Permeability proxy Check

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 327.4
  • LogP ≤ 5 3.61
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 105.1
PAINS Alert

Matches PAINS filter: azo_A(324). May be a frequent false positive in HTS — review carefully.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
NS(=O)(=O)c1ccc(/N=N/c2ccc(O)c3ccccc23)cc1
InChI 
InChI=1S/C16H13N3O3S/c17-23(21,22)12-7-5-11(6-8-12)18-19-15-9-10-16(20)14-4-2-1-3-13(14)15/h1-10,20H,(H2,17,21,22)/b19-18+
InChIKey 
DHBWBPLCZRSOBL-VHEBQXMUSA-N

Provenance

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

Method
LigQ nearest_k
Query
ORI
Homolog
C0STY1

External resources

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

Other binders for this protein

Quick navigation to other ligands bound to PA1962.

PDB 9

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

Ligand PDB entry

ZINC 49

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

Compound Similarity (Tanimoto)