Binder profile

24D

Ligand co-crystallized with a similar protein (Protein Data Bank).

Bound to: PA3994 — epoxide hydrolase

Via homolog PDB 3koo UniProt P34913 C17H18Cl2N4O2
Mol. weight 381.26 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
24D
PDB
3koo
UniProt (similar protein)
P34913
Target protein
PA3994

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 381.26 Da
LogP (Crippen) 3.54
H-bond donors 1
H-bond acceptors 4
TPSA 67.35 Ų
Rotatable bonds 4
Aromatic rings 2 / 3
Heavy atoms 25
Fraction sp³ C 0.35
Formula C17H18Cl2N4O2

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 381.3
  • LogP ≤ 5 3.54
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 67.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
c1cnc(nc1)OC2CCN(CC2)C(=O)NCc3ccc(cc3Cl)Cl
InChI 
InChI=1S/C17H18Cl2N4O2/c18-13-3-2-12(15(19)10-13)11-22-17(24)23-8-4-14(5-9-23)25-16-20-6-1-7-21-16/h1-3,6-7,10,14H,4-5,8-9,11H2,(H,22,24)
InChIKey 
UZEPPAOAIDTLTK-UHFFFAOYSA-N

Provenance

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

Method
LigQ nearest_k
Source
PDB
Binding sites
PF00561

External resources

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

Other binders for this protein

Quick navigation to other ligands bound to PA3994.

PDB 100

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 50

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

Compound Similarity (Tanimoto)