Ligand profile

N5Y

Ligand co-crystallized with a similar protein (Protein Data Bank).

Bound to: KP13_00665 — Glucose-1-phosphate adenylyltransferase

Via homolog PDB 4asy UniProt Q9HU22 Formula C₁₉H₁₈N₄O₃
Mol. weight 350.38 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
N5Y
PDB
4asy
UniProt (similar protein)
Q9HU22
Target protein
KP13_00665

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 350.38 Da
LogP (Crippen) 1.44
H-bond donors 2
H-bond acceptors 5
TPSA 101.19 Ų
Rotatable bonds 4
Aromatic rings 3 / 3
Heavy atoms 26
Fraction sp³ C 0.11
Formula C₁₉H₁₈N₄O₃

Drug-likeness

Descriptor-based ADME screening flags from SMILES. These are not experimental toxicity results.

Permeability proxy Check

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 101.2
  • −1 ≤ LogP ≤ 5 1.44
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 350.4
  • LogP ≤ 5 1.44
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 101.2
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CN(C1=C(N(C(=O)NC1=O)Cc2ccccc2)N)C(=O)c3ccccc3
InChI 
InChI=1S/C19H18N4O3/c1-22(18(25)14-10-6-3-7-11-14)15-16(20)23(19(26)21-17(15)24)12-13-8-4-2-5-9-13/h2-11H,12,20H2,1H3,(H,21,24,26)
InChIKey 
SVEXWTOZCLVIEL-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
PDB
Binding sites
PF00483

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_00665.

PDB 30

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

Ligand PDB entry

ZINC 50

Virtual screening candidates selected by structural similarity to known actives (Tanimoto ≥ 0.5).

Compound Similarity (Tanimoto)