Ligand profile

AKR

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

Bound to: VK055_5121 — amino acid adenylation domain protein

Via homolog PDB 6lta UniProt A0A077JG85 Formula C₃H₄O₂
Mol. weight 72.06 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
AKR
PDB
6lta
UniProt (similar protein)
A0A077JG85
Target protein
VK055_5121

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 72.06 Da
LogP (Crippen) 0.26
H-bond donors 1
H-bond acceptors 1
TPSA 37.30 Ų
Rotatable bonds 1
Aromatic rings 0 / 0
Heavy atoms 5
Fraction sp³ C 0.00
Formula C₃H₄O₂

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 37.3
  • −1 ≤ LogP ≤ 5 0.26
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 72.1
  • LogP ≤ 5 0.26
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 1
Veber's rules Pass
  • Rotatable bonds ≤ 10 1
  • TPSA ≤ 140 Ų 37.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
C=CC(=O)O
InChI 
InChI=1S/C3H4O2/c1-2-3(4)5/h2H,1H2,(H,4,5)
InChIKey 
NIXOWILDQLNWCW-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
PF00668

External resources

Open this ligand in third-party databases and cheminformatics tools.

Other ligands for this protein

Quick navigation to other ligands bound to VK055_5121.

PDB 14

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)