Ligand profile

CHEMBL1761321

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_04562 — putative oxidoreductase

Via homolog UniProtP16232 FormulaC₂₁H₂₆F₃N₃O₂S
pchembl 8.04 ~9.1 nM
Mol. weight 441.52 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL1761321
UniProt (similar protein)
P16232
pchembl
8.040 (~9.1 nM)
Target protein
KP13_04562

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 441.52 Da
LogP (Crippen) 4.53
H-bond donors 0
H-bond acceptors 5
TPSA 64.85 Ų
Rotatable bonds 5
Aromatic rings 2 / 5
Heavy atoms 30
Fraction sp³ C 0.62
Formula C₂₁H₂₆F₃N₃O₂S

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 64.8
  • −1 ≤ LogP ≤ 5 4.53
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 441.5
  • LogP ≤ 5 4.53
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 64.8
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES
CCS(=O)(=O)CC12CCC(c3nnc(-c4ccccc4C(F)(F)F)n3C)(CC1)CC2
InChI
InChI=1S/C21H26F3N3O2S/c1-3-30(28,29)14-19-8-11-20(12-9-19,13-10-19)18-26-25-17(27(18)2)15-6-4-5-7-16(15)21(22,23)24/h4-7H,3,8-14H2,1-2H3
InChIKey
IIUAOVVCEISVLV-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
PF00106

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_04562.

PDB 2

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)