Ligand profile

CHEMBL4163368

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_01863 — Carbonic anhydrase 2

Via homolog UniProt Q3I4V7 Formula C₁₄H₁₃BN₂O₃
pchembl 7.09 ~81.3 nM
Mol. weight 268.08 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL4163368
UniProt (similar protein)
Q3I4V7
pchembl
7.090 (~81.3 nM)
Target protein
KP13_01863

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 268.08 Da
LogP (Crippen) 1.55
H-bond donors 3
H-bond acceptors 3
TPSA 70.59 Ų
Rotatable bonds 2
Aromatic rings 2 / 3
Heavy atoms 20
Fraction sp³ C 0.07
Formula C₁₄H₁₃BN₂O₃

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 70.6
  • −1 ≤ LogP ≤ 5 1.55
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 268.1
  • LogP ≤ 5 1.55
  • H-bond donors ≤ 5 3
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 2
  • TPSA ≤ 140 Ų 70.6
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
O=C(Nc1ccccc1)Nc1ccc2c(c1)B(O)OC2
InChI 
InChI=1S/C14H13BN2O3/c18-14(16-11-4-2-1-3-5-11)17-12-7-6-10-9-20-15(19)13(10)8-12/h1-8,19H,9H2,(H2,16,17,18)
InChIKey 
HAEGPUNQGVPWAR-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)