Ligand profile

1PQ

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

Bound to: VK055_2684 — ribosyldihydronicotinamide dehydrogenase (quinone)

Via homolog PDB 4fgj UniProt P16083 Formula C₁₅H₂₁N₃O
Mol. weight 259.35 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
1PQ
PDB
4fgj
UniProt (similar protein)
P16083
Target protein
VK055_2684

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 259.35 Da
LogP (Crippen) 2.78
H-bond donors 2
H-bond acceptors 4
TPSA 60.17 Ų
Rotatable bonds 6
Aromatic rings 2 / 2
Heavy atoms 19
Fraction sp³ C 0.40
Formula C₁₅H₂₁N₃O

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 60.2
  • −1 ≤ LogP ≤ 5 2.78
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 259.4
  • LogP ≤ 5 2.78
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 6
  • TPSA ≤ 140 Ų 60.2
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
C[C@@H](CCCN)Nc1cc(cc2c1nccc2)OC
InChI 
InChI=1S/C15H21N3O/c1-11(5-3-7-16)18-14-10-13(19-2)9-12-6-4-8-17-15(12)14/h4,6,8-11,18H,3,5,7,16H2,1-2H3/t11-/m0/s1
InChIKey 
INDBQLZJXZLFIT-NSHDSACASA-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)