Ligand profile

EHO

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_01863 — Carbonic anhydrase 2

Via homolog UniProt Q3I4V7 Formula C₁₃H₁₁NO₂
pchembl 7.06 ~87.1 nM
Mol. weight 213.24 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
EHO
UniProt (similar protein)
Q3I4V7
pchembl
7.060 (~87.1 nM)
Target protein
KP13_01863

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 213.24 Da
LogP (Crippen) 3.13
H-bond donors 2
H-bond acceptors 2
TPSA 49.33 Ų
Rotatable bonds 3
Aromatic rings 2 / 2
Heavy atoms 16
Fraction sp³ C 0.00
Formula C₁₃H₁₁NO₂

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 49.3
  • −1 ≤ LogP ≤ 5 3.13
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 213.2
  • LogP ≤ 5 3.13
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 2
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 49.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
c1ccc(cc1)Nc2ccccc2C(=O)O
InChI 
InChI=1S/C13H11NO2/c15-13(16)11-8-4-5-9-12(11)14-10-6-2-1-3-7-10/h1-9,14H,(H,15,16)
InChIKey 
ZWJINEZUASEZBH-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
ChEMBL
Binding sites
PF00484

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_01863.

PDB 5

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

Ligand PDB entry

ChEMBL 99

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)