Ligand profile

695

Ligand co-crystallized with a similar protein (Protein Data Bank).

Bound to: VK055_2684 — ribosyldihydronicotinamide dehydrogenase (quinone)

Via homolog PDB 3ox1 UniProt P16083 Formula C₁₅H₁₈N₂O₃S
Mol. weight 306.39 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
695
PDB
3ox1
UniProt (similar protein)
P16083
Target protein
VK055_2684

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 306.39 Da
LogP (Crippen) 1.43
H-bond donors 2
H-bond acceptors 3
TPSA 75.27 Ų
Rotatable bonds 5
Aromatic rings 2 / 2
Heavy atoms 21
Fraction sp³ C 0.27
Formula C₁₅H₁₈N₂O₃S

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 75.3
  • −1 ≤ LogP ≤ 5 1.43
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 306.4
  • LogP ≤ 5 1.43
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 75.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CC(=O)NCCc1cccc2c1cc(cc2)S(=O)(=O)NC
InChI 
InChI=1S/C15H18N2O3S/c1-11(18)17-9-8-13-5-3-4-12-6-7-14(10-15(12)13)21(19,20)16-2/h3-7,10,16H,8-9H2,1-2H3,(H,17,18)
InChIKey 
LMMCCCKILDSFAH-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
PDB
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 59

Ligands co-crystallized with this protein (structural evidence).

Ligand PDB entry

ChEMBL 100

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)