Ligand profile

BF4

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

Bound to: VK055_2521 — dpiA-phosphorylated DNA binding transcriptional dual regulator

Via homolog PDB 1l5y UniProt P13632 Formula BeF₄²⁻
Mol. weight 85.00 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
BF4
PDB
1l5y
UniProt (similar protein)
P13632
Target protein
VK055_2521

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 85.00 Da
LogP (Crippen) 1.30
H-bond donors 0
H-bond acceptors 0
TPSA 0.00 Ų
Rotatable bonds 0
Aromatic rings 0 / 0
Heavy atoms 5
Fraction sp³ C 0.00
Formula BeF₄²⁻

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 0.0
  • −1 ≤ LogP ≤ 5 1.30
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 85.0
  • LogP ≤ 5 1.30
  • H-bond donors ≤ 5 0
  • H-bond acceptors ≤ 10 0
Veber's rules Pass
  • Rotatable bonds ≤ 10 0
  • TPSA ≤ 140 Ų 0.0
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
[Be-2](F)(F)(F)F
InChI 
InChI=1S/Be.4FH/h;4*1H/q+2;;;;/p-4
InChIKey 
UUMYFIKVCFICLB-UHFFFAOYSA-J

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
PF00072

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_2521.

PDB 2

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

Ligand PDB entry