Ligand profile

9EW

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

Bound to: KP13_02169 — D-3-phosphoglycerate dehydrogenase

Via homolog PDB 5nzp UniProt O43175 Formula C₇H₅NO₂
Mol. weight 135.12 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
9EW
PDB
5nzp
UniProt (similar protein)
O43175
Target protein
KP13_02169

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 135.12 Da
LogP (Crippen) 1.53
H-bond donors 1
H-bond acceptors 3
TPSA 46.26 Ų
Rotatable bonds 0
Aromatic rings 2 / 2
Heavy atoms 10
Fraction sp³ C 0.00
Formula C₇H₅NO₂

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 46.3
  • −1 ≤ LogP ≤ 5 1.53
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 135.1
  • LogP ≤ 5 1.53
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 0
  • TPSA ≤ 140 Ų 46.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
c1ccc2c(c1)c(no2)O
InChI 
InChI=1S/C7H5NO2/c9-7-5-3-1-2-4-6(5)10-8-7/h1-4H,(H,8,9)
InChIKey 
QLDQYRDCPNBPII-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
PF02826

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_02169.

PDB 19

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)