Ligand profile

CHEMBL5172475

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_32154 — ATP-dependent Clp protease proteolytic subunit ClpP

Via homolog UniProt Q16740 Formula C₂₁H₂₈N₄O
pchembl 6.35 ~446.7 nM
Mol. weight 352.48 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL5172475
UniProt (similar protein)
Q16740
pchembl
6.350 (~446.7 nM)
Target protein
KP13_32154

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 352.48 Da
LogP (Crippen) 2.67
H-bond donors 0
H-bond acceptors 5
TPSA 41.37 Ų
Rotatable bonds 5
Aromatic rings 2 / 4
Heavy atoms 26
Fraction sp³ C 0.52
Formula C₂₁H₂₈N₄O

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 41.4
  • −1 ≤ LogP ≤ 5 2.67
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 352.5
  • LogP ≤ 5 2.67
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 41.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CC(C)CCN1CCn2c1nc(=O)c1c2CCN(Cc2ccccc2)C1
InChI 
InChI=1S/C21H28N4O/c1-16(2)8-11-24-12-13-25-19-9-10-23(14-17-6-4-3-5-7-17)15-18(19)20(26)22-21(24)25/h3-7,16H,8-15H2,1-2H3
InChIKey 
JOBPKWCCQUXOSX-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
Binding sites
PF00574

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_32154.

PDB 5

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)