Ligand profile

CHEMBL5893418

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 C₂₄H₂₃N₅O₂S
pchembl 8.27 ~5.4 nM
Mol. weight 445.55 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL5893418
UniProt (similar protein)
Q8N5Z0
pchembl
8.270 (~5.4 nM)
Target protein
VK055_0552

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 445.55 Da
LogP (Crippen) 3.34
H-bond donors 1
H-bond acceptors 7
TPSA 80.12 Ų
Rotatable bonds 5
Aromatic rings 4 / 5
Heavy atoms 32
Fraction sp³ C 0.25
Formula C₂₄H₂₃N₅O₂S

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 80.1
  • −1 ≤ LogP ≤ 5 3.34
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 445.5
  • LogP ≤ 5 3.34
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 7
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 80.1
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cn1c(-c2ccccc2)nc2sc(N3CCC[C@@H]3C(=O)NCc3ccccc3)nc2c1=O
InChI 
InChI=1S/C24H23N5O2S/c1-28-20(17-11-6-3-7-12-17)27-22-19(23(28)31)26-24(32-22)29-14-8-13-18(29)21(30)25-15-16-9-4-2-5-10-16/h2-7,9-12,18H,8,13-15H2,1H3,(H,25,30)/t18-/m1/s1
InChIKey 
LYGQOCVESZDBMV-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
522599
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)