Ligand profile

FIP

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

Bound to: VK055_1196 — tryptophan synthase, beta subunit

Via homolog PDB 1a50 UniProt P0A2K1 Formula C₁₁H₁₃FNO₄P
Mol. weight 273.20 Da
Permeability High
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
FIP
PDB
1a50
UniProt (similar protein)
P0A2K1
Target protein
VK055_1196

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 273.20 Da
LogP (Crippen) 2.35
H-bond donors 3
H-bond acceptors 2
TPSA 82.55 Ų
Rotatable bonds 5
Aromatic rings 2 / 2
Heavy atoms 18
Fraction sp³ C 0.27
Formula C₁₁H₁₃FNO₄P

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 82.6
  • −1 ≤ LogP ≤ 5 2.35
Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 273.2
  • LogP ≤ 5 2.35
  • H-bond donors ≤ 5 3
  • H-bond acceptors ≤ 10 2
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 82.6
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
c1cc2c(cc1F)c(c[nH]2)CCCOP(=O)(O)O
InChI 
InChI=1S/C11H13FNO4P/c12-9-3-4-11-10(6-9)8(7-13-11)2-1-5-17-18(14,15)16/h3-4,6-7,13H,1-2,5H2,(H2,14,15,16)
InChIKey 
YVYGGBFCYXRNKM-UHFFFAOYSA-N

Provenance

Annotation context from LigQ_2, the internal Target step that collects PDB, ChEMBL, and ZINC ligand evidence.

Method
LigQ sequence
Source
PDB
Binding sites
PF00290

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_1196.

PDB 40

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

Ligand PDB entry

ZINC 50

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

Compound Similarity (Tanimoto)