Ligand profile

F63

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

Bound to: KP13_02055 — Queuine tRNA-ribosyltransferase

Via homolog PDB 6fso UniProt P28720 Formula C₁₁H₁₂N₂O₂
Mol. weight 204.23 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
F63
PDB
6fso
UniProt (similar protein)
P28720
Target protein
KP13_02055

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 204.23 Da
LogP (Crippen) 2.19
H-bond donors 1
H-bond acceptors 4
TPSA 47.29 Ų
Rotatable bonds 4
Aromatic rings 2 / 2
Heavy atoms 15
Fraction sp³ C 0.18
Formula C₁₁H₁₂N₂O₂

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 47.3
  • −1 ≤ LogP ≤ 5 2.19
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 204.2
  • LogP ≤ 5 2.19
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 47.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CNCc1ccc(o1)Oc2cccnc2
InChI 
InChI=1S/C11H12N2O2/c1-12-7-10-4-5-11(15-10)14-9-3-2-6-13-8-9/h2-6,8,12H,7H2,1H3
InChIKey 
MUKCVLFJCGZPKF-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)