Ligand profile

OQH

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

Bound to: KP13_02055 — Queuine tRNA-ribosyltransferase

Via homolog PDB 6ygv UniProt P28720 Formula C₁₂H₁₅NO₂
Mol. weight 205.26 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
OQH
PDB
6ygv
UniProt (similar protein)
P28720
Target protein
KP13_02055

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 205.26 Da
LogP (Crippen) 1.79
H-bond donors 1
H-bond acceptors 2
TPSA 46.17 Ų
Rotatable bonds 5
Aromatic rings 1 / 1
Heavy atoms 15
Fraction sp³ C 0.33
Formula C₁₂H₁₅NO₂

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 46.2
  • −1 ≤ LogP ≤ 5 1.79
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 205.3
  • LogP ≤ 5 1.79
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 2
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 46.2
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCNC(=O)CCC(=O)c1ccccc1
InChI 
InChI=1S/C12H15NO2/c1-2-13-12(15)9-8-11(14)10-6-4-3-5-7-10/h3-7H,2,8-9H2,1H3,(H,13,15)
InChIKey 
DSZHWKIWJYHWTO-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
PF01702

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_02055.

PDB 60

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

Ligand PDB entry

ChEMBL 5

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)