Ligand profile

A5Y

Bioactivity hit from ChEMBL on a similar protein.

Bound to: KP13_19569 — Betaine aldehyde dehydrogenase

Via homolog UniProt P47895 Formula C₂₁H₁₇FN₄O₂S
pchembl 6.92 ~120.2 nM
Mol. weight 408.46 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
A5Y
UniProt (similar protein)
P47895
pchembl
6.920 (~120.2 nM)
Target protein
KP13_19569

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 408.46 Da
LogP (Crippen) 3.58
H-bond donors 0
H-bond acceptors 7
TPSA 61.94 Ų
Rotatable bonds 5
Aromatic rings 4 / 5
Heavy atoms 29
Fraction sp³ C 0.19
Formula C₂₁H₁₇FN₄O₂S

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 61.9
  • −1 ≤ LogP ≤ 5 3.58
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 408.5
  • LogP ≤ 5 3.58
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 7
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 61.9
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
c1ccc(cc1)N2C(=O)c3cn(nc3N=C2SCc4cccc(c4)F)C5COC5
InChI 
InChI=1S/C21H17FN4O2S/c22-15-6-4-5-14(9-15)13-29-21-23-19-18(10-25(24-19)17-11-28-12-17)20(27)26(21)16-7-2-1-3-8-16/h1-10,17H,11-13H2
InChIKey 
IBYYWHNJSYBLSJ-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
PF00171

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_19569.

PDB 11

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

Ligand PDB entry

ChEMBL 83

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)