Ligand profile

HR5

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

Bound to: KP13_00203 — putative 8-amino-7-oxononanoate synthase/2-amino-3-ketobutyrate coenzyme A ligase

Via homolog PDB 5qr1 UniProt P22557 Formula C₁₁H₁₇N₃O
Mol. weight 207.28 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
HR5
PDB
5qr1
UniProt (similar protein)
P22557
Target protein
KP13_00203

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 207.28 Da
LogP (Crippen) 1.26
H-bond donors 1
H-bond acceptors 3
TPSA 46.92 Ų
Rotatable bonds 3
Aromatic rings 1 / 2
Heavy atoms 15
Fraction sp³ C 0.64
Formula C₁₁H₁₇N₃O

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 46.9
  • −1 ≤ LogP ≤ 5 1.26
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 207.3
  • LogP ≤ 5 1.26
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 46.9
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Cc1c(cnn1C)C(=O)NCC2CCC2
InChI 
InChI=1S/C11H17N3O/c1-8-10(7-13-14(8)2)11(15)12-6-9-4-3-5-9/h7,9H,3-6H2,1-2H3,(H,12,15)
InChIKey 
WFWUJGIABNGBBR-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
PF00155

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_00203.

PDB 32

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

Ligand PDB entry

ChEMBL 1

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)