Ligand profile

FJE

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

Bound to: VK055_3667 — pirin-like protein

Via homolog PDB 6h1h UniProt O00625 Formula C₁₄H₈ClF₂N₃O
Mol. weight 307.69 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
FJE
PDB
6h1h
UniProt (similar protein)
O00625
Target protein
VK055_3667

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 307.69 Da
LogP (Crippen) 3.31
H-bond donors 2
H-bond acceptors 3
TPSA 71.77 Ų
Rotatable bonds 2
Aromatic rings 3 / 3
Heavy atoms 21
Fraction sp³ C 0.00
Formula C₁₄H₈ClF₂N₃O

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 71.8
  • −1 ≤ LogP ≤ 5 3.31
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 307.7
  • LogP ≤ 5 3.31
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 2
  • TPSA ≤ 140 Ų 71.8
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
c1cc(c(c(c1N)F)C(=O)c2c[nH]c3c2cc(cn3)Cl)F
InChI 
InChI=1S/C14H8ClF2N3O/c15-6-3-7-8(5-20-14(7)19-4-6)13(21)11-9(16)1-2-10(18)12(11)17/h1-5H,18H2,(H,19,20)
InChIKey 
MVKWDNQCWQPTST-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
PDB
Binding sites
PF02678' 'PF05726

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_3667.

PDB 4

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

Ligand PDB entry

ChEMBL 10

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)