Ligand profile

EAF

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

Bound to: VK055_1259 — glycosyl hydrolases 18 family protein

Via homolog PDB 6le8 UniProt Q11174 Formula C₂₅H₂₂N₄O₃
Mol. weight 426.48 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
EAF
PDB
6le8
UniProt (similar protein)
Q11174
Target protein
VK055_1259

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 426.48 Da
LogP (Crippen) 4.32
H-bond donors 2
H-bond acceptors 5
TPSA 91.34 Ų
Rotatable bonds 6
Aromatic rings 4 / 5
Heavy atoms 32
Fraction sp³ C 0.16
Formula C₂₅H₂₂N₄O₃

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 91.3
  • −1 ≤ LogP ≤ 5 4.32
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 426.5
  • LogP ≤ 5 4.32
  • H-bond donors ≤ 5 2
  • H-bond acceptors ≤ 10 5
Veber's rules Pass
  • Rotatable bonds ≤ 10 6
  • TPSA ≤ 140 Ų 91.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CCOc1ccc(cc1)[C@@H]2c3c(n[nH]c3C(=O)N2Cc4cccnc4)c5ccccc5O
InChI 
InChI=1S/C25H22N4O3/c1-2-32-18-11-9-17(10-12-18)24-21-22(19-7-3-4-8-20(19)30)27-28-23(21)25(31)29(24)15-16-6-5-13-26-14-16/h3-14,24,30H,2,15H2,1H3,(H,27,28)/t24-/m1/s1
InChIKey 
OPUCTGDZUQCRQM-XMMPIXPASA-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
PF00704

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_1259.

PDB 4

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)