Ligand profile

6N6

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

Bound to: VK055_0681 — alpha/beta hydrolase fold family protein

Via homolog PDB 5akg UniProt P34913 Formula C₆H₅N₃S₂
Mol. weight 183.26 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
6N6
PDB
5akg
UniProt (similar protein)
P34913
Target protein
VK055_0681

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 183.26 Da
LogP (Crippen) 1.85
H-bond donors 1
H-bond acceptors 5
TPSA 51.80 Ų
Rotatable bonds 1
Aromatic rings 2 / 2
Heavy atoms 11
Fraction sp³ C 0.00
Formula C₆H₅N₃S₂

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 51.8
  • −1 ≤ LogP ≤ 5 1.85
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 183.3
  • LogP ≤ 5 1.85
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 1
  • TPSA ≤ 140 Ų 51.8
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
c1cc(sc1)c2nnc(s2)N
InChI 
InChI=1S/C6H5N3S2/c7-6-9-8-5(11-6)4-2-1-3-10-4/h1-3H,(H2,7,9)
InChIKey 
DADKTCVAPDOGJQ-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
PF00561

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_0681.

PDB 98

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

Ligand PDB entry

ChEMBL 100

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)