Ligand profile

ZINC26466134

Virtual-screening candidate from ZINC.

Bound to: KP13_03503 — Aldo/keto reductase family protein

Via homolog UniProt Q9X265 Formula C₁₉H₂₁NO₃S₂
Tanimoto 0.77
Mol. weight 375.52 Da
Permeability High
PAINS Alert

Identifiers

Database identifiers and provenance.

Ligand ID
ZINC26466134
UniProt (similar protein)
Q9X265
Tanimoto
0.771
Target protein
KP13_03503

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 375.52 Da
LogP (Crippen) 4.48
H-bond donors 1
H-bond acceptors 4
TPSA 57.61 Ų
Rotatable bonds 8
Aromatic rings 1 / 2
Heavy atoms 25
Fraction sp³ C 0.32
Formula C₁₉H₂₁NO₃S₂

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 57.6
  • −1 ≤ LogP ≤ 5 4.48
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 375.5
  • LogP ≤ 5 4.48
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 8
  • TPSA ≤ 140 Ų 57.6
PAINS Alert

Matches PAINS filter: ene_rhod_A(235). May be a frequent false positive in HTS — review carefully.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CC(=C\c1ccccc1)/C=C1/SC(=S)N(CCCCCC(=O)O)C1=O
InChI 
InChI=1S/C19H21NO3S2/c1-14(12-15-8-4-2-5-9-15)13-16-18(23)20(19(24)25-16)11-7-3-6-10-17(21)22/h2,4-5,8-9,12-13H,3,6-7,10-11H2,1H3,(H,21,22)/b14-12+,16-13+
InChIKey 
BUGHZIWCNKYWTD-ZAVUQCBESA-N

Provenance

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

Method
LigQ nearest_k
Query
EPR
Homolog
Q9X265

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_03503.

PDB 6

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)