Ligand profile

ZINC4555844

Virtual-screening candidate from ZINC.

Bound to: VK055_2426 — 2-amino-4-hydroxy-6- hydroxymethyldihydropteridine diphosphokinase

Via homolog UniProt X5EH84 Formula C₁₂H₁₁N₅OS
Tanimoto 1.00
Mol. weight 273.32 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
ZINC4555844
UniProt (similar protein)
X5EH84
Tanimoto
1.000
Target protein
VK055_2426

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 273.32 Da
LogP (Crippen) 1.52
H-bond donors 3
H-bond acceptors 5
TPSA 100.45 Ų
Rotatable bonds 3
Aromatic rings 3 / 3
Heavy atoms 19
Fraction sp³ C 0.08
Formula C₁₂H₁₁N₅OS

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 100.4
  • −1 ≤ LogP ≤ 5 1.52
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 273.3
  • LogP ≤ 5 1.52
  • H-bond donors ≤ 5 3
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 100.4
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
Nc1nc2[nH]c(SCc3ccccc3)nc2c(=O)[nH]1
InChI 
InChI=1S/C12H11N5OS/c13-11-15-9-8(10(18)17-11)14-12(16-9)19-6-7-4-2-1-3-5-7/h1-5H,6H2,(H4,13,14,15,16,17,18)
InChIKey 
RHAPVHANDLLSAI-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
CHEMBL3359161
Homolog
X5EH84

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_2426.

PDB 28

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

Ligand PDB entry

ChEMBL 21

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)