Ligand profile

CHEMBL3660163

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 C₁₅H₁₈N₄O₂
pchembl 7.61 ~24.5 nM
Mol. weight 286.33 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL3660163
UniProt (similar protein)
Q8N5Z0
pchembl
7.610 (~24.5 nM)
Target protein
VK055_0552

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 286.33 Da
LogP (Crippen) 1.10
H-bond donors 2
H-bond acceptors 5
TPSA 84.38 Ų
Rotatable bonds 3
Aromatic rings 2 / 3
Heavy atoms 21
Fraction sp³ C 0.33
Formula C₁₅H₁₈N₄O₂

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 84.4
  • −1 ≤ LogP ≤ 5 1.10
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 286.3
  • LogP ≤ 5 1.10
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 84.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCn1nc2c(c1Cc1ccccc1)C[C@H](N)C(=O)N2O
InChI 
InChI=1S/C15H18N4O2/c1-2-18-13(8-10-6-4-3-5-7-10)11-9-12(16)15(20)19(21)14(11)17-18/h3-7,12,21H,2,8-9,16H2,1H3/t12-/m0/s1
InChIKey 
VRCGFKBFAAAERR-LBPRGKRZSA-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
227658
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)