Ligand profile

CHEMBL5824661

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 C₂₃H₂₁N₅O₂S
pchembl 7.92 ~12.0 nM
Mol. weight 431.52 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL5824661
UniProt (similar protein)
Q8N5Z0
pchembl
7.920 (~12.0 nM)
Target protein
VK055_0552

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 431.52 Da
LogP (Crippen) 4.16
H-bond donors 1
H-bond acceptors 7
TPSA 80.24 Ų
Rotatable bonds 6
Aromatic rings 4 / 5
Heavy atoms 31
Fraction sp³ C 0.22
Formula C₂₃H₂₁N₅O₂S

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 80.2
  • −1 ≤ LogP ≤ 5 4.16
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 431.5
  • LogP ≤ 5 4.16
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 7
Veber's rules Pass
  • Rotatable bonds ≤ 10 6
  • TPSA ≤ 140 Ų 80.2
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
O=C(NCc1ccccc1)[C@H]1CCCN1c1nc2ncnc(Oc3ccccc3)c2s1
InChI 
InChI=1S/C23H21N5O2S/c29-21(24-14-16-8-3-1-4-9-16)18-12-7-13-28(18)23-27-20-19(31-23)22(26-15-25-20)30-17-10-5-2-6-11-17/h1-6,8-11,15,18H,7,12-14H2,(H,24,29)/t18-/m1/s1
InChIKey 
HFFNKJUGEQTUEB-GOSISDBHSA-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
962731
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)