Ligand profile

CHEMBL1464608

Bioactivity hit from ChEMBL on a similar protein.

Bound to: VK055_2855 — 3'(2'),5'-bisphosphate nucleotidase

Via homolog UniProt P97697 Formula C₁₆H₁₁N₃O₄
pchembl 8.40 ~4.0 nM
Mol. weight 309.28 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
CHEMBL1464608
UniProt (similar protein)
P97697
pchembl
8.400 (~4.0 nM)
Target protein
VK055_2855

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 309.28 Da
LogP (Crippen) 2.72
H-bond donors 1
H-bond acceptors 6
TPSA 86.48 Ų
Rotatable bonds 3
Aromatic rings 3 / 4
Heavy atoms 23
Fraction sp³ C 0.06
Formula C₁₆H₁₁N₃O₄

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 86.5
  • −1 ≤ LogP ≤ 5 2.72
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 309.3
  • LogP ≤ 5 2.72
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 6
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 86.5
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
O=C(Nc1cccnc1)c1cc(-c2ccc3c(c2)OCO3)on1
InChI 
InChI=1S/C16H11N3O4/c20-16(18-11-2-1-5-17-8-11)12-7-14(23-19-12)10-3-4-13-15(6-10)22-9-21-13/h1-8H,9H2,(H,18,20)
InChIKey 
LZIBMYOOOXZTNN-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
Activity
Inconclusive
Binding sites
PF00459

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_2855.

PDB 4

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

Ligand PDB entry

ChEMBL 99

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)