Ligand profile

HAI

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

Bound to: KP13_01121 — UDP-N-acetylglucosamine 1-carboxyvinyltransferase

Via homolog PDB 1dlg UniProt P33038 Formula C₆H₁₄N⁺
Mol. weight 100.19 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
HAI
PDB
1dlg
UniProt (similar protein)
P33038
Target protein
KP13_01121

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 100.19 Da
LogP (Crippen) 0.56
H-bond donors 1
H-bond acceptors 0
TPSA 27.64 Ų
Rotatable bonds 0
Aromatic rings 0 / 1
Heavy atoms 7
Fraction sp³ C 1.00
Formula C₆H₁₄N⁺

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 27.6
  • −1 ≤ LogP ≤ 5 0.56
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 100.2
  • LogP ≤ 5 0.56
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 0
Veber's rules Pass
  • Rotatable bonds ≤ 10 0
  • TPSA ≤ 140 Ų 27.6
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
C1CCC(CC1)[NH3+]
InChI 
InChI=1S/C6H13N/c7-6-4-2-1-3-5-6/h6H,1-5,7H2/p+1
InChIKey 
PAFZNILMFXTMIY-UHFFFAOYSA-O

Provenance

Annotation context from LigQ_2, the internal Target step that collects PDB, ChEMBL, and ZINC ligand evidence.

Method
LigQ sequence
Source
PDB
Binding sites
PF00275

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_01121.

PDB 17

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

Ligand PDB entry

ChEMBL 6

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)