Ligand profile

CHEMBL188429

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_2384 — methionine aminopeptidase, type I

Via homolog UniProtP0AE18 FormulaC₁₄H₁₈N₄OS₂
pchembl 7.35 ~44.7 nM
Mol. weight 322.46 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL188429
UniProt (similar protein)
P0AE18
pchembl
7.350 (~44.7 nM)
Target protein
VK055_2384

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 322.46 Da
LogP (Crippen) 2.88
H-bond donors 1
H-bond acceptors 6
TPSA 58.12 Ų
Rotatable bonds 5
Aromatic rings 2 / 3
Heavy atoms 21
Fraction sp³ C 0.50
Formula C₁₄H₁₈N₄OS₂

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 58.1
  • −1 ≤ LogP ≤ 5 2.88
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 322.5
  • LogP ≤ 5 2.88
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 58.1
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES
O=C(Nc1nccs1)c1ncsc1CCN1CCCCC1
InChI
InChI=1S/C14H18N4OS2/c19-13(17-14-15-5-9-20-14)12-11(21-10-16-12)4-8-18-6-2-1-3-7-18/h5,9-10H,1-4,6-8H2,(H,15,17,19)
InChIKey
FLNZFZNDAVAHJV-UHFFFAOYSA-N

Provenance

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

Method
LigQ sequence
Source
ChEMBL
Binding sites
PF00557

External resources

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

Other ligands for this protein

Quick navigation to other ligands bound to VK055_2384.

PDB 46

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)