Ligand profile

CHEMBL5883304

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_0552 — fused predicted DNA-binding transcriptional regulator and predicted amino transferase

Via homolog UniProt Q8N5Z0 Formula C₂₀H₁₉FN₄O₃S
pchembl 8.07 ~8.5 nM
Mol. weight 414.46 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL5883304
UniProt (similar protein)
Q8N5Z0
pchembl
8.070 (~8.5 nM)
Target protein
VK055_0552

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 414.46 Da
LogP (Crippen) 3.72
H-bond donors 1
H-bond acceptors 6
TPSA 88.18 Ų
Rotatable bonds 4
Aromatic rings 3 / 5
Heavy atoms 29
Fraction sp³ C 0.40
Formula C₂₀H₁₉FN₄O₃S

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 88.2
  • −1 ≤ LogP ≤ 5 3.72
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 414.5
  • LogP ≤ 5 3.72
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 88.2
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
O=C(Oc1ccccc1)N1CCC[C@@H]1c1nc2c(=O)[nH]c(C3(CF)CC3)nc2s1
InChI 
InChI=1S/C20H19FN4O3S/c21-11-20(8-9-20)18-23-15(26)14-17(24-18)29-16(22-14)13-7-4-10-25(13)19(27)28-12-5-2-1-3-6-12/h1-3,5-6,13H,4,7-11H2,(H,23,24,26)/t13-/m1/s1
InChIKey 
BQQJPUVZEFQUSU-CYBMUJFWSA-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
522557
Binding sites
PF00155

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_0552.

PDB 20

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)