Ligand profile

PWD

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

Bound to: KP13_09841 — ADP compounds hydrolase nudE

Via homolog PDB 5qtn UniProt Q9UKK9 Formula C₇H₅FN₂
Mol. weight 136.13 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
PWD
PDB
5qtn
UniProt (similar protein)
Q9UKK9
Target protein
KP13_09841

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 136.13 Da
LogP (Crippen) 1.70
H-bond donors 1
H-bond acceptors 1
TPSA 28.68 Ų
Rotatable bonds 0
Aromatic rings 2 / 2
Heavy atoms 10
Fraction sp³ C 0.00
Formula C₇H₅FN₂

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 28.7
  • −1 ≤ LogP ≤ 5 1.70
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 136.1
  • LogP ≤ 5 1.70
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 1
Veber's rules Pass
  • Rotatable bonds ≤ 10 0
  • TPSA ≤ 140 Ų 28.7
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
c1c[nH]c2c1cc(cn2)F
InChI 
InChI=1S/C7H5FN2/c8-6-3-5-1-2-9-7(5)10-4-6/h1-4H,(H,9,10)
InChIKey 
BALBNSFYMXBWNM-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
PF00293

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_09841.

PDB 53

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)