Ligand profile

CHEMBL521826

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_2684 — ribosyldihydronicotinamide dehydrogenase (quinone)

Via homolog UniProtP16083 FormulaC₁₆H₂₀N₂O₄
pchembl 7.64 ~22.9 nM
Mol. weight 304.35 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL521826
UniProt (similar protein)
P16083
pchembl
7.640 (~22.9 nM)
Target protein
VK055_2684

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 304.35 Da
LogP (Crippen) 2.93
H-bond donors 2
H-bond acceptors 4
TPSA 80.57 Ų
Rotatable bonds 5
Aromatic rings 2 / 2
Heavy atoms 22
Fraction sp³ C 0.38
Formula C₁₆H₂₀N₂O₄

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 80.6
  • −1 ≤ LogP ≤ 5 2.93
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 304.3
  • LogP ≤ 5 2.93
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 80.6
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES
COC(=O)Nc1ccc2occ(CCNC(=O)C(C)C)c2c1
InChI
InChI=1S/C16H20N2O4/c1-10(2)15(19)17-7-6-11-9-22-14-5-4-12(8-13(11)14)18-16(20)21-3/h4-5,8-10H,6-7H2,1-3H3,(H,17,19)(H,18,20)
InChIKey
CQWNTRFWWAONMJ-UHFFFAOYSA-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
Binding sites
PF02525

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_2684.

PDB 60

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)