Ligand profile

N4Q

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

Bound to: KP13_19569 — Betaine aldehyde dehydrogenase

Via homolog PDB 6te5 UniProt P47895 Formula C₂₂H₂₀N₂O₃
Mol. weight 360.41 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
N4Q
PDB
6te5
UniProt (similar protein)
P47895
Target protein
KP13_19569

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 360.41 Da
LogP (Crippen) 4.69
H-bond donors 0
H-bond acceptors 5
TPSA 44.99 Ų
Rotatable bonds 5
Aromatic rings 4 / 4
Heavy atoms 27
Fraction sp³ C 0.14
Formula C₂₂H₂₀N₂O₃

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 45.0
  • −1 ≤ LogP ≤ 5 4.69
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 360.4
  • LogP ≤ 5 4.69
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 45.0
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
COc1ccc(cc1)c2cn3cc(ccc3n2)c4cc(cc(c4)OC)OC
InChI 
InChI=1S/C22H20N2O3/c1-25-18-7-4-15(5-8-18)21-14-24-13-16(6-9-22(24)23-21)17-10-19(26-2)12-20(11-17)27-3/h4-14H,1-3H3
InChIKey 
IHJONSSVOHRQHD-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
PF00171

External resources

Open this ligand in third-party databases and cheminformatics tools.

Other ligands for this protein

Quick navigation to other ligands bound to KP13_19569.

PDB 10

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

Ligand PDB entry

ChEMBL 84

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)