Ligand profile

ZINC11691926

Virtual-screening candidate from ZINC.

Bound to: VK055_0557 — 1-pyrroline dehydrogenase

Via homolog UniProt O94788 Formula C₁₈H₂₀O₃
Tanimoto 0.87
Mol. weight 284.36 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
ZINC11691926
UniProt (similar protein)
O94788
Tanimoto
0.872
Target protein
VK055_0557

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 284.36 Da
LogP (Crippen) 4.89
H-bond donors 0
H-bond acceptors 3
TPSA 43.35 Ų
Rotatable bonds 4
Aromatic rings 3 / 3
Heavy atoms 21
Fraction sp³ C 0.39
Formula C₁₈H₂₀O₃

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 43.4
  • −1 ≤ LogP ≤ 5 4.89
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 284.4
  • LogP ≤ 5 4.89
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 3
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 43.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCCCCc1c(C)c2cc3c(C)coc3cc2oc1=O
InChI 
InChI=1S/C18H20O3/c1-4-5-6-7-13-12(3)15-8-14-11(2)10-20-16(14)9-17(15)21-18(13)19/h8-10H,4-7H2,1-3H3
InChIKey 
IIARLOMBTKMTKV-UHFFFAOYSA-N

Provenance

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

Method
LigQ nearest_k
Query
CHEMBL4064364
Homolog
O94788

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_0557.

PDB 13

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

Ligand PDB entry

ChEMBL 54

Compounds with measured inhibitory activity on this target (higher pchembl = more potent).

Compound Potency (pchembl)

ZINC 49

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

Compound Similarity (Tanimoto)