Ligand profile

G8A

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

Bound to: KP13_00081 — Acetolactate synthase isozyme 1 large subunit

Via homolog PDB 6den UniProt A0A1D8PJF9 Formula C₁₅H₁₅IN₄O₆S
Mol. weight 506.28 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
G8A
PDB
6den
UniProt (similar protein)
A0A1D8PJF9
Target protein
KP13_00081

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 506.28 Da
LogP (Crippen) 1.78
H-bond donors 2
H-bond acceptors 8
TPSA 136.58 Ų
Rotatable bonds 6
Aromatic rings 2 / 2
Heavy atoms 27
Fraction sp³ C 0.20
Formula C₁₅H₁₅IN₄O₆S

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 136.6
  • −1 ≤ LogP ≤ 5 1.78
Lipinski's Rule of Five Pass 1 violation
  • MW ≤ 500 Da 506.3
  • LogP ≤ 5 1.78
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 8
Veber's rules Pass
  • Rotatable bonds ≤ 10 6
  • TPSA ≤ 140 Ų 136.6
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCOC(=O)c1ccccc1S(=O)(=O)NC(=O)Nc2nc(cc(n2)I)OC
InChI 
InChI=1S/C15H15IN4O6S/c1-3-26-13(21)9-6-4-5-7-10(9)27(23,24)20-15(22)19-14-17-11(16)8-12(18-14)25-2/h4-8H,3H2,1-2H3,(H2,17,18,19,20,22)
InChIKey 
MBKBRLAPOVKBPR-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
PF00205' 'PF02775' 'PF02776

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_00081.

PDB 21

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

Ligand PDB entry

ChEMBL 36

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)