Ligand profile

CHEMBL1933785

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_03754 — putative manganese transport protein mntH

Via homolog UniProtP49281 FormulaC₁₉H₁₃N₃O₃S
pchembl 6.25 ~562.3 nM
Mol. weight 363.40 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL1933785
UniProt (similar protein)
P49281
pchembl
6.250 (~562.3 nM)
Target protein
KP13_03754

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 363.40 Da
LogP (Crippen) 3.65
H-bond donors 2
H-bond acceptors 6
TPSA 88.24 Ų
Rotatable bonds 2
Aromatic rings 4 / 5
Heavy atoms 26
Fraction sp³ C 0.11
Formula C₁₉H₁₃N₃O₃S

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 88.2
  • −1 ≤ LogP ≤ 5 3.65
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 363.4
  • LogP ≤ 5 3.65
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 2
  • TPSA ≤ 140 Ų 88.2
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES
O=C(O)c1ccc2nc(-n3nc4c(c3O)-c3ccccc3CC4)sc2c1
InChI
InChI=1S/C19H13N3O3S/c23-17-16-12-4-2-1-3-10(12)5-8-14(16)21-22(17)19-20-13-7-6-11(18(24)25)9-15(13)26-19/h1-4,6-7,9,23H,5,8H2,(H,24,25)
InChIKey
OFKOVQRGERBWJZ-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)