Ligand profile

CHEMBL3645221

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_03600 — putative oxidoreductase

Via homolog UniProtP14061 FormulaC₂₀H₁₉NO₃
pchembl 8.00 ~10.0 nM
Mol. weight 321.38 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL3645221
UniProt (similar protein)
P14061
pchembl
8.000 (~10.0 nM)
Target protein
KP13_03600

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 321.38 Da
LogP (Crippen) 4.48
H-bond donors 1
H-bond acceptors 3
TPSA 47.56 Ų
Rotatable bonds 4
Aromatic rings 3 / 3
Heavy atoms 24
Fraction sp³ C 0.15
Formula C₂₀H₁₉NO₃

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 47.6
  • −1 ≤ LogP ≤ 5 4.48
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 321.4
  • LogP ≤ 5 4.48
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 47.6
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES
COc1ccc2cc(-c3ccc(NC(C)=O)c(OC)c3)ccc2c1
InChI
InChI=1S/C20H19NO3/c1-13(22)21-19-9-7-17(12-20(19)24-3)14-4-5-16-11-18(23-2)8-6-15(16)10-14/h4-12H,1-3H3,(H,21,22)
InChIKey
KESSYXPZIFWCBQ-UHFFFAOYSA-N

Provenance

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

Method
LigQ nearest_k
Source
ChEMBL
Activity
221102
Binding sites
PF00106

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_03600.

PDB 13

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

Ligand PDB entry

ChEMBL 99

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)