Ligand profile

CHEMBL478446

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_01605 — Protease 2

Via homolog UniProt P48147 Formula C₂₀H₂₀Cl₂N₂O₃
pchembl 7.52 ~30.2 nM
Mol. weight 407.30 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL478446
UniProt (similar protein)
P48147
pchembl
7.520 (~30.2 nM)
Target protein
KP13_01605

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 407.30 Da
LogP (Crippen) 3.84
H-bond donors 0
H-bond acceptors 4
TPSA 51.54 Ų
Rotatable bonds 4
Aromatic rings 2 / 4
Heavy atoms 27
Fraction sp³ C 0.40
Formula C₂₀H₂₀Cl₂N₂O₃

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 51.5
  • −1 ≤ LogP ≤ 5 3.84
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 407.3
  • LogP ≤ 5 3.84
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 51.5
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
O=C([C@@H]1CCc2c(Cl)cc(OCc3cccc(Cl)c3)c(=O)n21)N1CCCC1
InChI 
InChI=1S/C20H20Cl2N2O3/c21-14-5-3-4-13(10-14)12-27-18-11-15(22)16-6-7-17(24(16)20(18)26)19(25)23-8-1-2-9-23/h3-5,10-11,17H,1-2,6-9,12H2/t17-/m0/s1
InChIKey 
FOKXKSUNJHHCDF-KRWDZBQOSA-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
Curation
pdb_similarity_tanimoto
Binding sites
PF00326' 'PF02897

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_01605.

PDB 4

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)