Ligand profile

CHEMBL203534

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_0461 — carbonate dehydratase carbonic anhydrase

Via homolog UniProt O24855 Formula C₁₆H₂₀N₂O₄S₂
pchembl 6.19 ~645.7 nM
Mol. weight 368.48 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL203534
UniProt (similar protein)
O24855
pchembl
6.190 (~645.7 nM)
Target protein
VK055_0461

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 368.48 Da
LogP (Crippen) 2.43
H-bond donors 2
H-bond acceptors 4
TPSA 106.33 Ų
Rotatable bonds 4
Aromatic rings 2 / 2
Heavy atoms 24
Fraction sp³ C 0.25
Formula C₁₆H₂₀N₂O₄S₂

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 106.3
  • −1 ≤ LogP ≤ 5 2.43
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 368.5
  • LogP ≤ 5 2.43
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 4
  • TPSA ≤ 140 Ų 106.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CC(C)(C)c1ccc(S(=O)(=O)Nc2ccccc2S(N)(=O)=O)cc1
InChI 
InChI=1S/C16H20N2O4S2/c1-16(2,3)12-8-10-13(11-9-12)24(21,22)18-14-6-4-5-7-15(14)23(17,19)20/h4-11,18H,1-3H3,(H2,17,19,20)
InChIKey 
KYRLTUNGHJLEJE-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
ChEMBL
Binding sites
PF00484

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_0461.

PDB 1

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 50

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

Compound Similarity (Tanimoto)