Ligand profile

ZINC16579324

Virtual-screening candidate from ZINC.

Bound to: KP13_03018 — Imidazolonepropionase

Via homolog UniProt Q81WF0 Formula C₂₀H₂₅N₃O₃S
Tanimoto 0.70
Mol. weight 387.51 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
ZINC16579324
UniProt (similar protein)
Q81WF0
Tanimoto
0.705
Target protein
KP13_03018

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 387.51 Da
LogP (Crippen) 2.43
H-bond donors 0
H-bond acceptors 4
TPSA 60.93 Ų
Rotatable bonds 5
Aromatic rings 2 / 3
Heavy atoms 27
Fraction sp³ C 0.35
Formula C₂₀H₂₅N₃O₃S

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 60.9
  • −1 ≤ LogP ≤ 5 2.43
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 387.5
  • LogP ≤ 5 2.43
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 60.9
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCS(=O)(=O)N(C)c1ccc(C(=O)N2CCN(c3ccccc3)CC2)cc1
InChI 
InChI=1S/C20H25N3O3S/c1-3-27(25,26)21(2)18-11-9-17(10-12-18)20(24)23-15-13-22(14-16-23)19-7-5-4-6-8-19/h4-12H,3,13-16H2,1-2H3
InChIKey 
UYZKFRGFRXFZSW-UHFFFAOYSA-N

Provenance

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

Method
LigQ nearest_k
Query
CHEMBL4532317
Homolog
Q81WF0

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_03018.

PDB 4

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

Ligand PDB entry

ChEMBL 3

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)