Ligand profile

CHEMBL1933787

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_03754 — putative manganese transport protein mntH

Via homolog UniProt P49281 Formula C₁₆H₁₃N₃O
pchembl 6.08 ~831.8 nM
Mol. weight 263.30 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL1933787
UniProt (similar protein)
P49281
pchembl
6.080 (~831.8 nM)
Target protein
KP13_03754

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 263.30 Da
LogP (Crippen) 2.74
H-bond donors 1
H-bond acceptors 4
TPSA 50.94 Ų
Rotatable bonds 1
Aromatic rings 3 / 4
Heavy atoms 20
Fraction sp³ C 0.12
Formula C₁₆H₁₃N₃O

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 50.9
  • −1 ≤ LogP ≤ 5 2.74
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 263.3
  • LogP ≤ 5 2.74
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 1
  • TPSA ≤ 140 Ų 50.9
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Oc1c2c(nn1-c1ccccn1)CCc1ccccc1-2
InChI 
InChI=1S/C16H13N3O/c20-16-15-12-6-2-1-5-11(12)8-9-13(15)18-19(16)14-7-3-4-10-17-14/h1-7,10,20H,8-9H2
InChIKey 
TZZXPQXPTUBQCK-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
PF01566

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_03754.

PDB 3

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

Ligand PDB entry

ChEMBL 31

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)