Ligand profile

CHEMBL5992336

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 C₂₀H₂₀N₆O₂S
pchembl 8.31 ~4.9 nM
Mol. weight 408.49 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL5992336
UniProt (similar protein)
Q8N5Z0
pchembl
8.310 (~4.9 nM)
Target protein
VK055_0552

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 408.49 Da
LogP (Crippen) 1.93
H-bond donors 1
H-bond acceptors 8
TPSA 84.53 Ų
Rotatable bonds 4
Aromatic rings 4 / 5
Heavy atoms 29
Fraction sp³ C 0.30
Formula C₂₀H₂₀N₆O₂S

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 84.5
  • −1 ≤ LogP ≤ 5 1.93
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 408.5
  • LogP ≤ 5 1.93
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 8
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 84.5
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cn1ccn2c(=O)c3nc(N4CCC[C@@H]4C(=O)NCc4ccccc4)sc3nc12
InChI 
InChI=1S/C20H20N6O2S/c1-24-10-11-26-18(28)15-17(23-19(24)26)29-20(22-15)25-9-5-8-14(25)16(27)21-12-13-6-3-2-4-7-13/h2-4,6-7,10-11,14H,5,8-9,12H2,1H3,(H,21,27)/t14-/m1/s1
InChIKey 
KDOWGKJXZRAHCN-CQSZACIVSA-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
522685
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)